1150 lines
No EOL
38 KiB
JavaScript
Executable file
1150 lines
No EOL
38 KiB
JavaScript
Executable file
/*!
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* Angular Material Design
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* https://github.com/angular/material
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* @license MIT
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* v0.10.1
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*/
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(function( window, angular, undefined ){
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"use strict";
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/**
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* @ngdoc module
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* @name material.components.select
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*/
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/***************************************************
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### TODO ###
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**DOCUMENTATION AND DEMOS**
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- [ ] ng-model with child mdOptions (basic)
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- [ ] ng-model="foo" ng-model-options="{ trackBy: '$value.id' }" for objects
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- [ ] mdOption with value
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- [ ] Usage with input inside
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### TODO - POST RC1 ###
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- [ ] Abstract placement logic in $mdSelect service to $mdMenu service
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***************************************************/
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var SELECT_EDGE_MARGIN = 8;
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var selectNextId = 0;
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angular.module('material.components.select', [
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'material.core',
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'material.components.backdrop'
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])
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.directive('mdSelect', SelectDirective)
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.directive('mdSelectMenu', SelectMenuDirective)
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.directive('mdOption', OptionDirective)
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.directive('mdOptgroup', OptgroupDirective)
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.provider('$mdSelect', SelectProvider);
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/**
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* @ngdoc directive
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* @name mdSelect
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* @restrict E
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* @module material.components.select
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*
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* @description Displays a select box, bound to an ng-model.
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*
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* @param {expression} ng-model The model!
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* @param {boolean=} multiple Whether it's multiple.
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* @param {expression=} md-on-close expression to be evaluated when the select is closed
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* @param {string=} placeholder Placeholder hint text.
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* @param {string=} aria-label Optional label for accessibility. Only necessary if no placeholder or
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* @param {string=} md-container-class class list to get applied to the .md-select-menu-container element (for custom styling)
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* explicit label is present.
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*
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* @usage
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* With a placeholder (label and aria-label are added dynamically)
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* <hljs lang="html">
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* <md-input-container>
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* <md-select
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* ng-model="someModel"
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* placeholder="Select a state">
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* <md-option ng-value="opt" ng-repeat="opt in neighborhoods2">{{ opt }}</md-option>
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* </md-select>
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* </md-input-container>
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* </hljs>
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*
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* With an explicit label
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* <hljs lang="html">
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* <md-input-container>
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* <label>State</label>
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* <md-select
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* ng-model="someModel">
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* <md-option ng-value="opt" ng-repeat="opt in neighborhoods2">{{ opt }}</md-option>
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* </md-select>
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* </md-input-container>
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* </hljs>
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*/
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function SelectDirective($mdSelect, $mdUtil, $mdTheming, $mdAria, $interpolate, $compile, $parse) {
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return {
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restrict: 'E',
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require: ['^?mdInputContainer', 'mdSelect', 'ngModel', '?^form'],
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compile: compile,
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controller: function() { } // empty placeholder controller to be initialized in link
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};
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function compile(element, attr) {
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// add the select value that will hold our placeholder or selected option value
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var valueEl = angular.element('<md-select-value><span></span></md-select-value>');
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valueEl.append('<span class="md-select-icon" aria-hidden="true"></span>');
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valueEl.addClass('md-select-value');
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if (!valueEl[0].hasAttribute('id')) {
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valueEl.attr('id', 'select_value_label_' + $mdUtil.nextUid());
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}
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// There's got to be an md-content inside. If there's not one, let's add it.
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if (!element.find('md-content').length) {
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element.append( angular.element('<md-content>').append(element.contents()) );
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}
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// Add progress spinner for md-options-loading
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if (attr.mdOnOpen) {
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element.find('md-content').prepend(
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angular.element('<md-progress-circular>')
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.attr('md-mode', 'indeterminate')
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.attr('ng-hide', '$$loadingAsyncDone')
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.wrap('<div>')
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.parent()
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);
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}
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if (attr.name) {
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var autofillClone = angular.element('<select class="md-visually-hidden">');
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autofillClone.attr({
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'name': '.' + attr.name,
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'ng-model': attr.ngModel,
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'aria-hidden': 'true',
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'tabindex': '-1'
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});
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var opts = element.find('md-option');
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angular.forEach(opts, function(el) {
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var newEl = angular.element('<option>' + el.innerHTML + '</option>');
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if (el.hasAttribute('ng-value')) newEl.attr('ng-value', el.getAttribute('ng-value'));
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else if (el.hasAttribute('value')) newEl.attr('value', el.getAttribute('value'));
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autofillClone.append(newEl);
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});
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element.parent().append(autofillClone);
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}
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// Use everything that's left inside element.contents() as the contents of the menu
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var selectTemplate = '<div class="md-select-menu-container">' +
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'<md-select-menu ' +
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(angular.isDefined(attr.multiple) ? 'multiple' : '') + '>' +
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element.html() +
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'</md-select-menu></div>';
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element.empty().append(valueEl);
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attr.tabindex = attr.tabindex || '0';
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return function postLink(scope, element, attr, ctrls) {
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var isOpen;
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var isDisabled;
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var containerCtrl = ctrls[0];
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var mdSelectCtrl = ctrls[1];
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var ngModelCtrl = ctrls[2];
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var formCtrl = ctrls[3];
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// grab a reference to the select menu value label
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var valueEl = element.find('md-select-value');
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var isReadonly = angular.isDefined(attr.readonly);
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if (containerCtrl) {
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if (containerCtrl.input) {
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throw new Error("<md-input-container> can only have *one* child <input>, <textarea> or <select> element!");
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}
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containerCtrl.input = element;
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if (!containerCtrl.label) {
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$mdAria.expect(element, 'aria-label', element.attr('placeholder'));
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}
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var isErrorGetter = containerCtrl && containerCtrl.isErrorGetter || function() {
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return ngModelCtrl.$invalid && ngModelCtrl.$touched;
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};
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scope.$watch(isErrorGetter, containerCtrl.setInvalid);
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}
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var selectContainer, selectScope, selectMenuCtrl;
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createSelect();
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$mdTheming(element);
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if (attr.name && formCtrl) {
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var selectEl = element.parent()[0].querySelector('select[name=".' + attr.name + '"]');
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var controller = angular.element(selectEl).controller();
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if (controller) {
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formCtrl.$removeControl(controller);
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}
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}
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var originalRender = ngModelCtrl.$render;
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ngModelCtrl.$render = function() {
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originalRender();
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syncLabelText();
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inputCheckValue();
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};
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mdSelectCtrl.setLabelText = function(text) {
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mdSelectCtrl.setIsPlaceholder(!text);
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// Use placeholder attribute, otherwise fallback to the md-input-container label
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var tmpPlaceholder = attr.placeholder || (containerCtrl && containerCtrl.label ? containerCtrl.label.text() : '');
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text = text || tmpPlaceholder || '';
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var target = valueEl.children().eq(0);
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target.text(text);
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};
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mdSelectCtrl.setIsPlaceholder = function(isPlaceholder) {
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if (isPlaceholder) {
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valueEl.addClass('md-select-placeholder');
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if (containerCtrl && containerCtrl.label) {
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containerCtrl.label.addClass('md-placeholder md-static');
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}
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} else {
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valueEl.removeClass('md-select-placeholder');
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if (containerCtrl && containerCtrl.label) {
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containerCtrl.label.removeClass('md-placeholder');
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}
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}
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};
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if (!isReadonly) {
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element
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.on('focus', function(ev) {
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// only set focus on if we don't currently have a selected value. This avoids the "bounce"
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// on the label transition because the focus will immediately switch to the open menu.
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if (containerCtrl && containerCtrl.element.hasClass('md-input-has-value')) {
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containerCtrl.setFocused(true);
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}
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})
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.on('blur', function(ev) {
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containerCtrl && containerCtrl.setFocused(false);
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inputCheckValue();
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});
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}
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mdSelectCtrl.triggerClose = function() {
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$parse(attr.mdOnClose)(scope);
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};
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scope.$$postDigest(function() {
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setAriaLabel();
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syncLabelText();
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});
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function setAriaLabel() {
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var labelText = element.attr('placeholder');
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if (!labelText && containerCtrl && containerCtrl.label) {
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labelText = containerCtrl.label.text();
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}
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$mdAria.expect(element, 'aria-label', labelText);
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}
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function syncLabelText() {
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if (selectContainer) {
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selectMenuCtrl = selectMenuCtrl || selectContainer.find('md-select-menu').controller('mdSelectMenu');
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mdSelectCtrl.setLabelText(selectMenuCtrl.selectedLabels());
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}
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}
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var deregisterWatcher;
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attr.$observe('ngMultiple', function(val) {
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if (deregisterWatcher) deregisterWatcher();
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var parser = $parse(val);
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deregisterWatcher = scope.$watch(function() { return parser(scope); }, function(multiple, prevVal) {
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if (multiple === undefined && prevVal === undefined) return; // assume compiler did a good job
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if (multiple) {
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element.attr('multiple', 'multiple');
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} else {
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element.removeAttr('multiple');
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}
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if (selectContainer) {
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selectMenuCtrl.setMultiple(multiple);
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originalRender = ngModelCtrl.$render;
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ngModelCtrl.$render = function() {
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originalRender();
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syncLabelText();
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};
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selectMenuCtrl.refreshViewValue();
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ngModelCtrl.$render();
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}
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});
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});
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attr.$observe('disabled', function(disabled) {
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if (typeof disabled == "string") {
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disabled = true;
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}
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// Prevent click event being registered twice
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if (isDisabled !== undefined && isDisabled === disabled) {
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return;
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}
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isDisabled = disabled;
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if (disabled) {
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element.attr({'tabindex': -1, 'aria-disabled': 'true'});
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element.off('click', openSelect);
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element.off('keydown', handleKeypress);
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} else {
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element.attr({'tabindex': attr.tabindex, 'aria-disabled': 'false'});
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element.on('click', openSelect);
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element.on('keydown', handleKeypress);
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}
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});
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if (!attr.disabled && !attr.ngDisabled) {
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element.attr({'tabindex': attr.tabindex, 'aria-disabled': 'false'});
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element.on('click', openSelect);
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element.on('keydown', handleKeypress);
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}
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var ariaAttrs = {
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role: 'combobox',
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'aria-expanded': 'false'
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};
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if (!element[0].hasAttribute('id')) {
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ariaAttrs.id = 'select_' + $mdUtil.nextUid();
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}
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element.attr(ariaAttrs);
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scope.$on('$destroy', function() {
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if (isOpen) {
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$mdSelect.hide().finally(function() {
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selectContainer.remove();
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});
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} else {
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selectContainer.remove();
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}
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if (containerCtrl) {
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containerCtrl.setFocused(false);
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containerCtrl.setHasValue(false);
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containerCtrl.input = null;
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}
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});
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function inputCheckValue() {
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// The select counts as having a value if one or more options are selected,
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// or if the input's validity state says it has bad input (eg string in a number input)
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containerCtrl && containerCtrl.setHasValue(selectMenuCtrl.selectedLabels().length > 0 || (element[0].validity || {}).badInput);
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}
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// Create a fake select to find out the label value
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function createSelect() {
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selectContainer = angular.element(selectTemplate);
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var selectEl = selectContainer.find('md-select-menu');
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selectEl.data('$ngModelController', ngModelCtrl);
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selectEl.data('$mdSelectController', mdSelectCtrl);
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selectScope = scope.$new();
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$mdTheming.inherit(selectContainer, element);
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selectContainer[0].setAttribute('class', selectContainer[0].getAttribute('class') + ' ' + element.attr('md-container-class'));
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selectContainer = $compile(selectContainer)(selectScope);
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selectMenuCtrl = selectContainer.find('md-select-menu').controller('mdSelectMenu');
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}
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function handleKeypress(e) {
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var allowedCodes = [32, 13, 38, 40];
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if (allowedCodes.indexOf(e.keyCode) != -1 ) {
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// prevent page scrolling on interaction
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e.preventDefault();
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openSelect(e);
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} else {
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if (e.keyCode <= 90 && e.keyCode >= 31) {
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e.preventDefault();
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var node = selectMenuCtrl.optNodeForKeyboardSearch(e);
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if (!node) return;
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var optionCtrl = angular.element(node).controller('mdOption');
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if (!selectMenuCtrl.isMultiple) {
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selectMenuCtrl.deselect( Object.keys(selectMenuCtrl.selected)[0] );
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}
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selectMenuCtrl.select(optionCtrl.hashKey, optionCtrl.value);
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selectMenuCtrl.refreshViewValue();
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ngModelCtrl.$render();
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}
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}
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}
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function openSelect() {
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scope.$apply('isOpen = true');
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$mdSelect.show({
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scope: selectScope,
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preserveScope: true,
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skipCompile: true,
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element: selectContainer,
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target: element[0],
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hasBackdrop: true,
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loadingAsync: attr.mdOnOpen ? scope.$eval(attr.mdOnOpen) || true : false
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}).then(function() {
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isOpen = false;
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});
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}
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};
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}
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}
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SelectDirective.$inject = ["$mdSelect", "$mdUtil", "$mdTheming", "$mdAria", "$interpolate", "$compile", "$parse"];
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function SelectMenuDirective($parse, $mdUtil, $mdTheming) {
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SelectMenuController.$inject = ["$scope", "$attrs", "$element"];
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return {
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restrict: 'E',
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require: ['mdSelectMenu', '?ngModel'],
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controller: SelectMenuController,
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link: { pre: preLink }
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};
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// We use preLink instead of postLink to ensure that the select is initialized before
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// its child options run postLink.
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function preLink(scope, element, attr, ctrls) {
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var selectCtrl = ctrls[0];
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var ngModel = ctrls[1];
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$mdTheming(element);
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element.on('click', clickListener);
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element.on('keypress', keyListener);
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if (ngModel) selectCtrl.init(ngModel);
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configureAria();
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function configureAria() {
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element.attr({
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'id': 'select_menu_' + $mdUtil.nextUid(),
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'role': 'listbox',
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'aria-multiselectable': (selectCtrl.isMultiple ? 'true' : 'false')
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});
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}
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function keyListener(e) {
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if (e.keyCode == 13 || e.keyCode == 32) {
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clickListener(e);
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}
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}
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function clickListener(ev) {
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var option = $mdUtil.getClosest(ev.target, 'md-option');
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var optionCtrl = option && angular.element(option).data('$mdOptionController');
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if (!option || !optionCtrl) return;
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if (option.hasAttribute('disabled')) {
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ev.stopImmediatePropagation();
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return false;
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}
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var optionHashKey = selectCtrl.hashGetter(optionCtrl.value);
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var isSelected = angular.isDefined(selectCtrl.selected[optionHashKey]);
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scope.$apply(function() {
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if (selectCtrl.isMultiple) {
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if (isSelected) {
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selectCtrl.deselect(optionHashKey);
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} else {
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selectCtrl.select(optionHashKey, optionCtrl.value);
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}
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} else {
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if (!isSelected) {
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selectCtrl.deselect( Object.keys(selectCtrl.selected)[0] );
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selectCtrl.select( optionHashKey, optionCtrl.value );
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}
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}
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selectCtrl.refreshViewValue();
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});
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}
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}
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function SelectMenuController($scope, $attrs, $element) {
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var self = this;
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self.isMultiple = angular.isDefined($attrs.multiple);
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// selected is an object with keys matching all of the selected options' hashed values
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self.selected = {};
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// options is an object with keys matching every option's hash value,
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// and values matching every option's controller.
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self.options = {};
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$scope.$watch(function() { return self.options; }, function() {
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self.ngModel.$render();
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}, true);
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var deregisterCollectionWatch;
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self.setMultiple = function(isMultiple) {
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var ngModel = self.ngModel;
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self.isMultiple = isMultiple;
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if (deregisterCollectionWatch) deregisterCollectionWatch();
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if (self.isMultiple) {
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ngModel.$validators['md-multiple'] = validateArray;
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ngModel.$render = renderMultiple;
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// watchCollection on the model because by default ngModel only watches the model's
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// reference. This allowed the developer to also push and pop from their array.
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$scope.$watchCollection($attrs.ngModel, function(value) {
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if (validateArray(value)) renderMultiple(value);
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});
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} else {
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delete ngModel.$validators['md-multiple'];
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ngModel.$render = renderSingular;
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}
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|
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function validateArray(modelValue, viewValue) {
|
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// If a value is truthy but not an array, reject it.
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// If value is undefined/falsy, accept that it's an empty array.
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return angular.isArray(modelValue || viewValue || []);
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}
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};
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var searchStr = '';
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var clearSearchTimeout, optNodes, optText;
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var CLEAR_SEARCH_AFTER = 300;
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self.optNodeForKeyboardSearch = function(e) {
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clearSearchTimeout && clearTimeout(clearSearchTimeout);
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clearSearchTimeout = setTimeout(function() {
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clearSearchTimeout = undefined;
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searchStr = '';
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optText = undefined;
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optNodes = undefined;
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}, CLEAR_SEARCH_AFTER);
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searchStr += String.fromCharCode(e.keyCode);
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var search = new RegExp('^' + searchStr, 'i');
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if (!optNodes) {
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optNodes = $element.find('md-option');
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optText = new Array(optNodes.length);
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angular.forEach(optNodes, function(el, i) {
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optText[i] = el.textContent.trim();
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});
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}
|
|
for (var i = 0; i < optText.length; ++i) {
|
|
if (search.test(optText[i])) {
|
|
return optNodes[i];
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
self.init = function(ngModel) {
|
|
self.ngModel = ngModel;
|
|
|
|
// Allow users to provide `ng-model="foo" ng-model-options="{trackBy: 'foo.id'}"` so
|
|
// that we can properly compare objects set on the model to the available options
|
|
if (ngModel.$options && ngModel.$options.trackBy) {
|
|
var trackByLocals = {};
|
|
var trackByParsed = $parse(ngModel.$options.trackBy);
|
|
self.hashGetter = function(value, valueScope) {
|
|
trackByLocals.$value = value;
|
|
return trackByParsed(valueScope || $scope, trackByLocals);
|
|
};
|
|
// If the user doesn't provide a trackBy, we automatically generate an id for every
|
|
// value passed in
|
|
} else {
|
|
self.hashGetter = function getHashValue(value) {
|
|
if (angular.isObject(value)) {
|
|
return 'object_' + (value.$$mdSelectId || (value.$$mdSelectId = ++selectNextId));
|
|
}
|
|
return value;
|
|
};
|
|
}
|
|
self.setMultiple(self.isMultiple);
|
|
};
|
|
|
|
self.selectedLabels = function() {
|
|
var selectedOptionEls = $mdUtil.nodesToArray($element[0].querySelectorAll('md-option[selected]'));
|
|
if (selectedOptionEls.length) {
|
|
return selectedOptionEls.map(function(el) { return el.textContent; }).join(', ');
|
|
} else {
|
|
return '';
|
|
}
|
|
};
|
|
|
|
self.select = function(hashKey, hashedValue) {
|
|
var option = self.options[hashKey];
|
|
option && option.setSelected(true);
|
|
self.selected[hashKey] = hashedValue;
|
|
};
|
|
self.deselect = function(hashKey) {
|
|
var option = self.options[hashKey];
|
|
option && option.setSelected(false);
|
|
delete self.selected[hashKey];
|
|
};
|
|
|
|
self.addOption = function(hashKey, optionCtrl) {
|
|
if (angular.isDefined(self.options[hashKey])) {
|
|
throw new Error('Duplicate md-option values are not allowed in a select. ' +
|
|
'Duplicate value "' + optionCtrl.value + '" found.');
|
|
}
|
|
self.options[hashKey] = optionCtrl;
|
|
|
|
// If this option's value was already in our ngModel, go ahead and select it.
|
|
if (angular.isDefined(self.selected[hashKey])) {
|
|
self.select(hashKey, optionCtrl.value);
|
|
self.refreshViewValue();
|
|
}
|
|
};
|
|
self.removeOption = function(hashKey) {
|
|
delete self.options[hashKey];
|
|
// Don't deselect an option when it's removed - the user's ngModel should be allowed
|
|
// to have values that do not match a currently available option.
|
|
};
|
|
|
|
self.refreshViewValue = function() {
|
|
var values = [];
|
|
var option;
|
|
for (var hashKey in self.selected) {
|
|
// If this hashKey has an associated option, push that option's value to the model.
|
|
if ((option = self.options[hashKey])) {
|
|
values.push(option.value);
|
|
} else {
|
|
// Otherwise, the given hashKey has no associated option, and we got it
|
|
// from an ngModel value at an earlier time. Push the unhashed value of
|
|
// this hashKey to the model.
|
|
// This allows the developer to put a value in the model that doesn't yet have
|
|
// an associated option.
|
|
values.push(self.selected[hashKey]);
|
|
}
|
|
}
|
|
self.ngModel.$setViewValue(self.isMultiple ? values : values[0]);
|
|
};
|
|
|
|
function renderMultiple() {
|
|
var newSelectedValues = self.ngModel.$modelValue || self.ngModel.$viewValue;
|
|
if (!angular.isArray(newSelectedValues)) return;
|
|
|
|
var oldSelected = Object.keys(self.selected);
|
|
|
|
var newSelectedHashes = newSelectedValues.map(self.hashGetter);
|
|
var deselected = oldSelected.filter(function(hash) {
|
|
return newSelectedHashes.indexOf(hash) === -1;
|
|
});
|
|
|
|
deselected.forEach(self.deselect);
|
|
newSelectedHashes.forEach(function(hashKey, i) {
|
|
self.select(hashKey, newSelectedValues[i]);
|
|
});
|
|
}
|
|
function renderSingular() {
|
|
var value = self.ngModel.$viewValue || self.ngModel.$modelValue;
|
|
Object.keys(self.selected).forEach(self.deselect);
|
|
self.select( self.hashGetter(value), value );
|
|
}
|
|
}
|
|
|
|
}
|
|
SelectMenuDirective.$inject = ["$parse", "$mdUtil", "$mdTheming"];
|
|
|
|
function OptionDirective($mdButtonInkRipple, $mdUtil) {
|
|
|
|
OptionController.$inject = ["$element"];
|
|
return {
|
|
restrict: 'E',
|
|
require: ['mdOption', '^^mdSelectMenu'],
|
|
controller: OptionController,
|
|
compile: compile
|
|
};
|
|
|
|
function compile(element, attr) {
|
|
// Manual transclusion to avoid the extra inner <span> that ng-transclude generates
|
|
element.append( angular.element('<div class="md-text">').append(element.contents()) );
|
|
|
|
element.attr('tabindex', attr.tabindex || '0');
|
|
return postLink;
|
|
}
|
|
|
|
function postLink(scope, element, attr, ctrls) {
|
|
var optionCtrl = ctrls[0];
|
|
var selectCtrl = ctrls[1];
|
|
|
|
if (angular.isDefined(attr.ngValue)) {
|
|
scope.$watch(attr.ngValue, setOptionValue);
|
|
} else if (angular.isDefined(attr.value)) {
|
|
setOptionValue(attr.value);
|
|
} else {
|
|
scope.$watch(function() { return element.text(); }, setOptionValue);
|
|
}
|
|
|
|
attr.$observe('disabled', function(disabled) {
|
|
if (disabled) {
|
|
element.attr('tabindex', '-1');
|
|
} else {
|
|
element.attr('tabindex', '0');
|
|
}
|
|
});
|
|
|
|
scope.$$postDigest(function() {
|
|
attr.$observe('selected', function(selected) {
|
|
if (!angular.isDefined(selected)) return;
|
|
if (typeof selected == 'string') selected = true;
|
|
if (selected) {
|
|
if (!selectCtrl.isMultiple) {
|
|
selectCtrl.deselect( Object.keys(selectCtrl.selected)[0] );
|
|
}
|
|
selectCtrl.select(optionCtrl.hashKey, optionCtrl.value);
|
|
} else {
|
|
selectCtrl.deselect(optionCtrl.hashKey);
|
|
}
|
|
selectCtrl.refreshViewValue();
|
|
selectCtrl.ngModel.$render();
|
|
});
|
|
});
|
|
|
|
$mdButtonInkRipple.attach(scope, element);
|
|
configureAria();
|
|
|
|
function setOptionValue(newValue, oldValue) {
|
|
var oldHashKey = selectCtrl.hashGetter(oldValue, scope);
|
|
var newHashKey = selectCtrl.hashGetter(newValue, scope);
|
|
|
|
optionCtrl.hashKey = newHashKey;
|
|
optionCtrl.value = newValue;
|
|
|
|
selectCtrl.removeOption(oldHashKey, optionCtrl);
|
|
selectCtrl.addOption(newHashKey, optionCtrl);
|
|
}
|
|
|
|
scope.$on('$destroy', function() {
|
|
selectCtrl.removeOption(optionCtrl.hashKey, optionCtrl);
|
|
});
|
|
|
|
function configureAria() {
|
|
var ariaAttrs = {
|
|
'role': 'option',
|
|
'aria-selected': 'false'
|
|
};
|
|
|
|
if (!element[0].hasAttribute('id')) {
|
|
ariaAttrs.id = 'select_option_' + $mdUtil.nextUid();
|
|
}
|
|
element.attr(ariaAttrs);
|
|
}
|
|
}
|
|
|
|
function OptionController($element) {
|
|
this.selected = false;
|
|
this.setSelected = function(isSelected) {
|
|
if (isSelected && !this.selected) {
|
|
$element.attr({
|
|
'selected': 'selected',
|
|
'aria-selected': 'true'
|
|
});
|
|
} else if (!isSelected && this.selected) {
|
|
$element.removeAttr('selected');
|
|
$element.attr('aria-selected', 'false');
|
|
}
|
|
this.selected = isSelected;
|
|
};
|
|
}
|
|
|
|
}
|
|
OptionDirective.$inject = ["$mdButtonInkRipple", "$mdUtil"];
|
|
|
|
function OptgroupDirective() {
|
|
return {
|
|
restrict: 'E',
|
|
compile: compile
|
|
};
|
|
function compile(el, attrs) {
|
|
var labelElement = el.find('label');
|
|
if (!labelElement.length) {
|
|
labelElement = angular.element('<label>');
|
|
el.prepend(labelElement);
|
|
}
|
|
if (attrs.label) labelElement.text(attrs.label);
|
|
}
|
|
}
|
|
|
|
function SelectProvider($$interimElementProvider) {
|
|
selectDefaultOptions.$inject = ["$mdSelect", "$mdConstant", "$$rAF", "$mdUtil", "$mdTheming", "$window", "$q", "$compile"];
|
|
return $$interimElementProvider('$mdSelect')
|
|
.setDefaults({
|
|
methods: ['target'],
|
|
options: selectDefaultOptions
|
|
});
|
|
|
|
/* ngInject */
|
|
function selectDefaultOptions($mdSelect, $mdConstant, $$rAF, $mdUtil, $mdTheming, $window, $q, $compile ) {
|
|
var animator = $mdUtil.dom.animator;
|
|
|
|
return {
|
|
parent: 'body',
|
|
onShow: onShow,
|
|
onRemove: onRemove,
|
|
hasBackdrop: true,
|
|
disableParentScroll: true,
|
|
themable: true
|
|
};
|
|
|
|
function onShow(scope, element, opts) {
|
|
|
|
|
|
if (!opts.target) {
|
|
throw new Error('$mdSelect.show() expected a target element in options.target but got ' +
|
|
'"' + opts.target + '"!');
|
|
}
|
|
|
|
angular.extend(opts, {
|
|
isRemoved: false,
|
|
target: angular.element(opts.target), //make sure it's not a naked dom node
|
|
parent: angular.element(opts.parent),
|
|
selectEl: element.find('md-select-menu'),
|
|
contentEl: element.find('md-content'),
|
|
backdrop: opts.hasBackdrop && $mdUtil.createBackdrop(scope, "md-select-backdrop md-click-catcher")
|
|
});
|
|
|
|
opts.resizeFn = function() {
|
|
$$rAF(function() {
|
|
$$rAF(function() {
|
|
animateSelect(scope, element, opts);
|
|
});
|
|
});
|
|
};
|
|
|
|
angular.element($window).on('resize', opts.resizeFn);
|
|
angular.element($window).on('orientationchange', opts.resizeFn);
|
|
|
|
|
|
configureAria();
|
|
|
|
element.removeClass('md-leave');
|
|
|
|
var optionNodes = opts.selectEl[0].getElementsByTagName('md-option');
|
|
|
|
if (opts.loadingAsync && opts.loadingAsync.then) {
|
|
opts.loadingAsync.then(function() {
|
|
scope.$$loadingAsyncDone = true;
|
|
// Give ourselves two frames for the progress loader to clear out.
|
|
$$rAF(function() {
|
|
$$rAF(function() {
|
|
// Don't go forward if the select has been removed in this time...
|
|
if (opts.isRemoved) return;
|
|
animateSelect(scope, element, opts);
|
|
});
|
|
});
|
|
});
|
|
} else if (opts.loadingAsync) {
|
|
scope.$$loadingAsyncDone = true;
|
|
}
|
|
|
|
if (opts.disableParentScroll && !$mdUtil.getClosest(opts.target, 'MD-DIALOG')) {
|
|
opts.restoreScroll = $mdUtil.disableScrollAround(opts.element);
|
|
} else {
|
|
opts.disableParentScroll = false;
|
|
}
|
|
if (opts.backdrop) {
|
|
$mdTheming.inherit(opts.backdrop, opts.target);
|
|
opts.parent.append(opts.backdrop);
|
|
}
|
|
opts.parent.append(element);
|
|
|
|
// Give the select a frame to 'initialize' in the DOM,
|
|
// so we can read its height/width/position
|
|
$$rAF(function() {
|
|
$$rAF(function() {
|
|
if (opts.isRemoved) return;
|
|
animateSelect(scope, element, opts);
|
|
});
|
|
});
|
|
|
|
return opts.isRemoved ? $q.reject(true) : animator
|
|
.waitTransitionEnd(opts.selectEl, {timeout: 470})
|
|
.finally(function() {
|
|
activateInteraction();
|
|
});
|
|
|
|
function configureAria() {
|
|
opts.target.attr('aria-expanded', 'true');
|
|
}
|
|
|
|
function activateInteraction() {
|
|
if (opts.isRemoved) return;
|
|
var selectCtrl = opts.selectEl.controller('mdSelectMenu') || {};
|
|
element.addClass('md-clickable');
|
|
|
|
opts.backdrop && opts.backdrop.on('click', function(e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
opts.restoreFocus = false;
|
|
$mdUtil.nextTick($mdSelect.hide,true);
|
|
});
|
|
|
|
// Escape to close
|
|
opts.selectEl.on('keydown', function(ev) {
|
|
switch (ev.keyCode) {
|
|
case $mdConstant.KEY_CODE.SPACE:
|
|
case $mdConstant.KEY_CODE.ENTER:
|
|
var option = $mdUtil.getClosest(ev.target, 'md-option');
|
|
if (option) {
|
|
opts.selectEl.triggerHandler({
|
|
type: 'click',
|
|
target: option
|
|
});
|
|
ev.preventDefault();
|
|
}
|
|
break;
|
|
case $mdConstant.KEY_CODE.TAB:
|
|
case $mdConstant.KEY_CODE.ESCAPE:
|
|
ev.preventDefault();
|
|
opts.restoreFocus = true;
|
|
$mdUtil.nextTick($mdSelect.hide,true);
|
|
}
|
|
});
|
|
|
|
// Cycling of options, and closing on enter
|
|
opts.selectEl.on('keydown', function(ev) {
|
|
switch (ev.keyCode) {
|
|
case $mdConstant.KEY_CODE.UP_ARROW: return focusPrevOption();
|
|
case $mdConstant.KEY_CODE.DOWN_ARROW: return focusNextOption();
|
|
default:
|
|
if (ev.keyCode >= 31 && ev.keyCode <= 90) {
|
|
var optNode = opts.selectEl.controller('mdSelectMenu').optNodeForKeyboardSearch(ev);
|
|
opts.focusedNode = optNode || opts.focusedNode;
|
|
optNode && optNode.focus();
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
function focusOption(direction) {
|
|
optionNodes = opts.selectEl[0].getElementsByTagName('md-option');
|
|
|
|
var optionsArray = $mdUtil.nodesToArray(optionNodes);
|
|
var index = optionsArray.indexOf(opts.focusedNode);
|
|
|
|
var newOption;
|
|
|
|
do {
|
|
if (index === -1) {
|
|
// We lost the previously focused element, reset to first option
|
|
index = 0;
|
|
} else if (direction === 'next' && index < optionsArray.length - 1) {
|
|
index++;
|
|
} else if (direction === 'prev' && index > 0) {
|
|
index--;
|
|
}
|
|
newOption = optionsArray[index];
|
|
if (newOption.hasAttribute('disabled')) newOption = undefined;
|
|
} while (!newOption && index < optionsArray.length - 1 && index > 0)
|
|
newOption && newOption.focus();
|
|
opts.focusedNode = newOption;
|
|
}
|
|
function focusNextOption() {
|
|
focusOption('next');
|
|
}
|
|
function focusPrevOption() {
|
|
focusOption('prev');
|
|
}
|
|
|
|
opts.selectEl.on('click', checkCloseMenu);
|
|
opts.selectEl.on('keydown', function(e) {
|
|
if (e.keyCode == 32 || e.keyCode == 13) {
|
|
checkCloseMenu();
|
|
}
|
|
});
|
|
|
|
function checkCloseMenu() {
|
|
if (!selectCtrl.isMultiple) {
|
|
opts.restoreFocus = true;
|
|
|
|
$mdUtil.nextTick(function() {
|
|
$mdSelect.hide(selectCtrl.ngModel.$viewValue);
|
|
},true);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function onRemove(scope, element, opts) {
|
|
opts.isRemoved = true;
|
|
|
|
opts.target.attr('aria-expanded', 'false');
|
|
opts.selectEl.off('keydown');
|
|
|
|
angular.element($window).off('resize', opts.resizeFn);
|
|
angular.element($window).off('orientationchange', opts.resizefn);
|
|
opts.resizeFn = undefined;
|
|
|
|
element
|
|
.addClass('md-leave')
|
|
.removeClass('md-clickable');
|
|
|
|
var mdSelect = opts.selectEl.controller('mdSelect');
|
|
if (mdSelect) {
|
|
mdSelect.setLabelText(opts.selectEl
|
|
.controller('mdSelectMenu')
|
|
.selectedLabels()
|
|
);
|
|
}
|
|
|
|
opts.backdrop && opts.backdrop.remove();
|
|
|
|
return animator
|
|
.waitTransitionEnd(element, { timeout: 370 })
|
|
.finally(function() {
|
|
mdSelect && mdSelect.triggerClose();
|
|
|
|
element.removeClass('md-active');
|
|
if (element[0].parentNode === opts.parent[0]) {
|
|
opts.parent[0].removeChild(element[0]); // use browser to avoid $destroy event
|
|
}
|
|
if (opts.disableParentScroll) {
|
|
opts.restoreScroll();
|
|
}
|
|
if (opts.restoreFocus) opts.target.focus();
|
|
});
|
|
}
|
|
|
|
function animateSelect(scope, element, opts) {
|
|
var containerNode = element[0],
|
|
targetNode = opts.target[0].firstElementChild, // target the label
|
|
parentNode = opts.parent[0],
|
|
selectNode = opts.selectEl[0],
|
|
contentNode = opts.contentEl[0],
|
|
parentRect = parentNode.getBoundingClientRect(),
|
|
targetRect = targetNode.getBoundingClientRect(),
|
|
shouldOpenAroundTarget = false,
|
|
bounds = {
|
|
left: parentRect.left + SELECT_EDGE_MARGIN,
|
|
top: SELECT_EDGE_MARGIN,
|
|
bottom: parentRect.height - SELECT_EDGE_MARGIN,
|
|
right: parentRect.width - SELECT_EDGE_MARGIN - ($mdUtil.floatingScrollbars() ? 16 : 0)
|
|
},
|
|
spaceAvailable = {
|
|
top: targetRect.top - bounds.top,
|
|
left: targetRect.left - bounds.left,
|
|
right: bounds.right - (targetRect.left + targetRect.width),
|
|
bottom: bounds.bottom - (targetRect.top + targetRect.height)
|
|
},
|
|
maxWidth = parentRect.width - SELECT_EDGE_MARGIN * 2,
|
|
isScrollable = contentNode.scrollHeight > contentNode.offsetHeight,
|
|
selectedNode = selectNode.querySelector('md-option[selected]'),
|
|
optionNodes = selectNode.getElementsByTagName('md-option'),
|
|
optgroupNodes = selectNode.getElementsByTagName('md-optgroup');
|
|
|
|
|
|
var centeredNode;
|
|
// If a selected node, center around that
|
|
if (selectedNode) {
|
|
centeredNode = selectedNode;
|
|
// If there are option groups, center around the first option group
|
|
} else if (optgroupNodes.length) {
|
|
centeredNode = optgroupNodes[0];
|
|
// Otherwise, center around the first optionNode
|
|
} else if (optionNodes.length){
|
|
centeredNode = optionNodes[0];
|
|
// In case there are no options, center on whatever's in there... (eg progress indicator)
|
|
} else {
|
|
centeredNode = contentNode.firstElementChild || contentNode;
|
|
}
|
|
|
|
if (contentNode.offsetWidth > maxWidth) {
|
|
contentNode.style['max-width'] = maxWidth + 'px';
|
|
}
|
|
if (shouldOpenAroundTarget) {
|
|
contentNode.style['min-width'] = targetRect.width + 'px';
|
|
}
|
|
|
|
// Remove padding before we compute the position of the menu
|
|
if (isScrollable) {
|
|
selectNode.classList.add('md-overflow');
|
|
}
|
|
|
|
var focusedNode = centeredNode;
|
|
if ((focusedNode.tagName || '').toUpperCase() === 'MD-OPTGROUP') {
|
|
focusedNode = optionNodes[0] || contentNode.firstElementChild || contentNode;
|
|
centeredNode = focusedNode;
|
|
}
|
|
|
|
// Get the selectMenuRect *after* max-width is possibly set above
|
|
var selectMenuRect = selectNode.getBoundingClientRect();
|
|
var centeredRect = getOffsetRect(centeredNode);
|
|
|
|
|
|
if (centeredNode) {
|
|
var centeredStyle = $window.getComputedStyle(centeredNode);
|
|
centeredRect.paddingLeft = parseInt(centeredStyle.paddingLeft, 10) || 0;
|
|
centeredRect.paddingRight = parseInt(centeredStyle.paddingRight, 10) || 0;
|
|
}
|
|
|
|
|
|
if (isScrollable) {
|
|
var scrollBuffer = contentNode.offsetHeight / 2;
|
|
contentNode.scrollTop = centeredRect.top + centeredRect.height / 2 - scrollBuffer;
|
|
|
|
if (spaceAvailable.top < scrollBuffer) {
|
|
contentNode.scrollTop = Math.min(
|
|
centeredRect.top,
|
|
contentNode.scrollTop + scrollBuffer - spaceAvailable.top
|
|
);
|
|
} else if (spaceAvailable.bottom < scrollBuffer) {
|
|
contentNode.scrollTop = Math.max(
|
|
centeredRect.top + centeredRect.height - selectMenuRect.height,
|
|
contentNode.scrollTop - scrollBuffer + spaceAvailable.bottom
|
|
);
|
|
}
|
|
}
|
|
|
|
var left, top, transformOrigin;
|
|
if (shouldOpenAroundTarget) {
|
|
left = targetRect.left;
|
|
top = targetRect.top + targetRect.height;
|
|
transformOrigin = '50% 0';
|
|
if (top + selectMenuRect.height > bounds.bottom) {
|
|
top = targetRect.top - selectMenuRect.height;
|
|
transformOrigin = '50% 100%';
|
|
}
|
|
} else {
|
|
left = (targetRect.left + centeredRect.left - centeredRect.paddingLeft) + 2;
|
|
top = Math.floor(targetRect.top + targetRect.height / 2 - centeredRect.height / 2 -
|
|
centeredRect.top + contentNode.scrollTop) + 2;
|
|
|
|
|
|
transformOrigin = (centeredRect.left + targetRect.width / 2) + 'px ' +
|
|
(centeredRect.top + centeredRect.height / 2 - contentNode.scrollTop) + 'px 0px';
|
|
|
|
containerNode.style.minWidth = targetRect.width + centeredRect.paddingLeft +
|
|
centeredRect.paddingRight + 'px';
|
|
}
|
|
|
|
// Keep left and top within the window
|
|
var containerRect = containerNode.getBoundingClientRect();
|
|
containerNode.style.left = clamp(bounds.left, left, bounds.right - containerRect.width) + 'px';
|
|
containerNode.style.top = clamp(bounds.top, top, bounds.bottom - containerRect.height) + 'px';
|
|
selectNode.style[$mdConstant.CSS.TRANSFORM_ORIGIN] = transformOrigin;
|
|
|
|
selectNode.style[$mdConstant.CSS.TRANSFORM] = 'scale(' +
|
|
Math.min(targetRect.width / selectMenuRect.width, 1.0) + ',' +
|
|
Math.min(targetRect.height / selectMenuRect.height, 1.0) +
|
|
')';
|
|
|
|
|
|
$$rAF(function() {
|
|
element.addClass('md-active');
|
|
selectNode.style[$mdConstant.CSS.TRANSFORM] = '';
|
|
if (focusedNode && !focusedNode.hasAttribute('disabled')) {
|
|
opts.focusedNode = focusedNode;
|
|
focusedNode.focus();
|
|
}
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
function clamp(min, n, max) {
|
|
return Math.max(min, Math.min(n, max));
|
|
}
|
|
|
|
function getOffsetRect(node) {
|
|
return node ? {
|
|
left: node.offsetLeft,
|
|
top: node.offsetTop,
|
|
width: node.offsetWidth,
|
|
height: node.offsetHeight
|
|
} : { left: 0, top: 0, width: 0, height: 0 };
|
|
}
|
|
}
|
|
SelectProvider.$inject = ["$$interimElementProvider"];
|
|
|
|
|
|
})(window, window.angular); |