gwh/LightningLauncher-TrianguloY
1
0
Fork 0
mirror of https://github.com/TrianguloY/LightningLauncher.git synced 2025-01-13 20:01:34 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Automatic indentation on newline.

Browse source 
When you enter a newline, spaces are inserted automatically based on the indent of the previous line and the last character.
This is not a final change, more of a proof of concept regarding the script editor. More to come! (hopefully)
This commit is contained in:
TrianguloY 2019-03-18 20:41:59 +01:00
parent 66b94f3353
commit 4bd3f7635d
1 changed files with 69 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
app/llx/app/src/main/java/net/pierrox/lightning_launcher/activities/ScriptEditor.java
View file

@ -344,6 +344,7 @@ public class ScriptEditor extends ResourceWrapperActivity implements View.OnClic
mScriptText = (AdvancedEditText) findViewById(R.id.sc_text);
mScriptText.setTypeface(Typeface.create(Typeface.MONOSPACE, Typeface.NORMAL));
mScriptText.addTextChangedListener(mScriptTextWatcher);
mScriptText.addTextChangedListener(mScriptTextWatcherIndent);
mScriptText.setListener(new AdvancedEditText.OnAdvancedEditTextEvent() {
private float mInitialTextSize;
@Override
@ -1240,4 +1241,72 @@ public class ScriptEditor extends ResourceWrapperActivity implements View.OnClic
b.setOnLongClickListener(mCompletionButtonLongClickListener);
mCompletionsViewGroup.addView(b);
}
// ------------- autoindentation ------------
String mSpanNewline = "mSpanNewline";
public static final int INDENT_SIZE = 2;
TextWatcher mScriptTextWatcherIndent = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if(count == 1 && s.charAt(start) == '\n'){
mScriptText.getText().setSpan(mSpanNewline,start,start,0);
}
}
@Override
public void afterTextChanged(Editable editable) {
int posEnter = editable.getSpanStart(mSpanNewline);
editable.removeSpan(mSpanNewline);
if (posEnter == -1 || editable.charAt(posEnter) != '\n') return;
int pos = posEnter;
//get previous char
char prev = pos == 0 ? '\0' : editable.charAt(pos-1);
//goto previous line
do {
pos--;
} while(pos >= 0 && editable.charAt(pos) != '\n');
//find indent size
int n = 0;
boolean cont = true;
while(cont){
pos++;
switch (editable.charAt(pos)){
case ' ':
n++;
break;
case '\t':
n+=INDENT_SIZE;
break;
default:
cont = false;
}
}
//add indent size
switch (prev){
case '{':
n+=INDENT_SIZE;
break;
case '}':
n-=INDENT_SIZE;
break;
}
//write indent
for(int i=0;i<n;++i){
editable.insert(posEnter + 1, " ");
}
}
};
}