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toggle comment functionality (Meta-7)

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This commit is contained in:
Fabian Jakobs 2010-04-14 15:50:34 +02:00
commit 7399cc94e3
12 changed files with 266 additions and 40 deletions
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55
demo/editor.html
View file

@ -9,11 +9,24 @@
<style type="text/css" media="screen">
body {
margin: 0;
padding: 0;
font: sans-serif;
}
#container {
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
top: 30px;
right: 0px;
bottom: 0px;
left: 0px;
}
#controls {
width: 100%;
height: 30px;
border: 1px solid black;
margin: 0;
}
</style>
@ -39,21 +52,51 @@
</head>
<body>
<table id="controls">
<tr>
<td>
<label for="mode">Mode:</label>
<select id="mode" size="1">
<option value="text">Plain Text</option>
<option value="javascript">JavaScript</option>
<option value="xml">XML</option>
</select>
</td>
</tr>
</table>
<div id="container">
</div>
<script type="text/javascript" charset="utf-8">
var modeEl = document.getElementById("mode");
modeEl.onchange = function() {
editor.setMode(getMode());
};
var modes = {
text: new ace.mode.Text(),
xml: new ace.mode.Xml(),
javascript: new ace.mode.JavaScript()
};
function getMode() {
return modes[modeEl.value];
}
var container = document.getElementById("container");
var editor = new ace.Editor(
new ace.VirtualRenderer(container),
new ace.TextDocument("Juhu Kinners"),
new ace.mode.JavaScript()
getMode()
);
window.onresize = function() {
editor.resize();
}
};
</script>

4
jsTestDriver.conf
View file

@ -6,4 +6,6 @@ load:
- src/mode/Text.js
- src/mode/*.js
- src/*.js
- test/*.js
- test/*.js
- test/mode/*.js

7
src/BackgroundTokenizer.js
View file

@ -47,6 +47,13 @@ ace.BackgroundTokenizer = function(tokenizer, onUpdate, onComplete) {
};
};
ace.BackgroundTokenizer.prototype.setTokenizer = function(tokenizer) {
this.tokenizer = tokenizer;
this.lines = [];
this.start(0);
};
ace.BackgroundTokenizer.prototype.setLines = function(textLines) {
this.textLines = textLines;
this.lines = [];

90
src/Editor.js
View file

@ -4,8 +4,8 @@ ace.Editor = function(renderer, doc, mode) {
var container = renderer.getContainerElement();
this.renderer = renderer;
this.setDocument(doc || new ace.TextDocument(""));
this.setMode(mode || new ace.mode.Text());
this.setDocument(doc || new ace.TextDocument(""));
this.textInput = new ace.TextInput(container, this);
new ace.KeyBinding(container, this);
@ -39,20 +39,23 @@ ace.Editor.prototype.setDocument = function(doc) {
this.doc = doc;
doc.addChangeListener(ace.bind(this.onDocumentChange, this));
this.renderer.setDocument(doc);
this.bgTokenizer.setLines(this.doc.lines);
};
ace.Editor.prototype.setMode = function(mode) {
// TODO: mode change is not yet supported
if (this.mode) {
throw new Error("TODO: mode change is not yet supported");
}
this.mode = mode;
var tokenizer = mode.getTokenizer();
this.tokenizer = new ace.BackgroundTokenizer(mode.getTokenizer(), ace.bind(this.onTokenizerUpdate, this));
if (!this.bgTokenizer) {
var onUpdate = ace.bind(this.onTokenizerUpdate, this);
this.bgTokenizer = new ace.BackgroundTokenizer(tokenizer, onUpdate);
} else {
this.bgTokenizer.setTokenizer(tokenizer);
}
this.tokenizer.setLines(this.doc.lines);
this.renderer.setTokenizer(this.tokenizer);
this.renderer.setTokenizer(this.bgTokenizer);
};
ace.Editor.prototype.resize = function()
@ -109,7 +112,7 @@ ace.Editor.prototype.onBlur = function() {
};
ace.Editor.prototype.onDocumentChange = function(startRow, endRow) {
this.tokenizer.start(startRow);
this.bgTokenizer.start(startRow);
this.renderer.updateLines(startRow, endRow);
};
@ -259,35 +262,30 @@ ace.Editor.prototype.removeLine = function() {
};
ace.Editor.prototype.blockIndent = function(indentString) {
if (!this.hasSelection()) {
return;
};
var range = this.getSelectionRange();
if (!this.hasSelection()) return;
var indentString = indentString || " ";
this.doc.indentRows(range, indentString);
var addedColumns = this.doc.indentRows(this.getSelectionRange(), indentString);
this.setSelectionAnchor(range.start.row, range.start.column + indentString.length);
this._moveSelection(function() {
this.moveCursorTo(range.end.row, range.end.column + indentString.length);
});
this.shiftSelection(addedColumns);
};
ace.Editor.prototype.blockOutdent = function(indentString) {
if (!this.hasSelection()) {
return;
};
var range = this.getSelectionRange();
if (!this.hasSelection()) return;
var indentString = indentString || " ";
var removedColumns = this.doc.outdentRows(range, indentString);
var addedColumns = this.doc.outdentRows(this.getSelectionRange(), indentString);
this.setSelectionAnchor(range.start.row, range.start.column - removedColumns);
this._moveSelection(function() {
this.moveCursorTo(range.end.row, range.end.column - removedColumns);
});
this.shiftSelection(addedColumns);
};
ace.Editor.prototype.toggleCommentLines = function() {
if (!this.hasSelection()) return;
var selection = this.getSelectionRange();
var addedColumns = this.mode.toggleCommentLines(this.doc, selection);
this.shiftSelection(addedColumns);
};
ace.Editor.prototype.onCompositionStart = function() {
@ -591,6 +589,40 @@ ace.Editor.prototype.setSelectionAnchor = function(row, column) {
this.selectionLead = null;
};
ace.Editor.prototype.getSelectionAnchor = function() {
if (this.selectionAnchor) {
return {
row: this.selectionAnchor.row,
column: this.selectionAnchor.column
};
} else {
return null;
}
};
ace.Editor.prototype.getSelectionLead = function() {
if (this.selectionLead) {
return {
row: this.selectionLead.row,
column: this.selectionLead.column
};
} else {
return null;
}
};
ace.Editor.prototype.shiftSelection = function(columns) {
if (!this.hasSelection()) return;
var anchor = this.getSelectionAnchor();
var lead = this.getSelectionLead();
this.setSelectionAnchor(anchor.row, anchor.column + columns);
this._moveSelection(function() {
this.moveCursorTo(lead.row, lead.column + columns);
});
};
ace.Editor.prototype.getSelectionRange = function() {
var anchor = this.selectionAnchor;
var lead = this.selectionLead;

10
src/KeyBinding.js
View file

@ -16,7 +16,8 @@ var keys = {
TAB : 9,
A : 65,
D: 68,
L: 76
L: 76,
"7": 55
};
ace.KeyBinding = function(element, host) {
@ -48,6 +49,13 @@ ace.KeyBinding = function(element, host) {
}
break;
case keys["7"]:
if (e.metaKey) {
host.toggleCommentLines();
return ace.stopEvent(e);
};
break;
case keys.UP:
if (e.metaKey && e.shiftKey) {
host.selectFileStart();

7
src/TextDocument.js
View file

@ -89,6 +89,10 @@ ace.TextDocument.prototype.getTextRange = function(range) {
}
};
ace.TextDocument.prototype.getLines = function(firstRow, lastRow) {
return this.lines.slice(firstRow, lastRow+1);
};
ace.TextDocument.prototype.findMatchingBracket = function(position) {
if (position.column == 0) return null;
@ -279,6 +283,7 @@ ace.TextDocument.prototype.indentRows = function(range, indentString) {
this.lines[i] = indentString + this.getLine(i);
}
this.fireChangeEvent(range.start.row, range.end.row);
return indentString.length;
};
ace.TextDocument.prototype.outdentRows = function(range, indentString) {
@ -295,5 +300,5 @@ ace.TextDocument.prototype.outdentRows = function(range, indentString) {
}
this.fireChangeEvent(range.start.row, range.end.row);
return outdentLength;
return -outdentLength;
};

7
src/mode/JavaScript.js
View file

@ -5,3 +5,10 @@ ace.mode.JavaScript = function() {
};
ace.inherits(ace.mode.JavaScript, ace.mode.Text);
ace.mode.JavaScript.prototype.toggleCommentLines = function(doc, range) {
var addedRows = doc.outdentRows(range, "//");
if (addedRows == 0) {
var addedRows = doc.indentRows(range, "//");
};
return addedRows;
};

12
src/mode/Text.js
View file

@ -1,9 +1,19 @@
ace.provide("ace.mode.Text");
ace.mode.Text = function() {
this.$tokenizer = new ace.Tokenizer({});
var rules = {
"start" : [ {
token : "text",
regex : ".+"
} ]
};
this.$tokenizer = new ace.Tokenizer(rules);
};
ace.mode.Text.prototype.getTokenizer = function() {
return this.$tokenizer;
};
ace.mode.Text.prototype.toggleCommentLines = function(doc, range) {
return 0;
};

2
src/mode/Xml.js
View file

@ -1,6 +1,6 @@
ace.provide("ace.mode.Xml");
ace.mode.Xml = function() {
this.$tokenizer = new Tokenizer(new ace.mode.XmlHighlightRules().getRules());
this.$tokenizer = new ace.Tokenizer(new ace.mode.XmlHighlightRules().getRules());
};
ace.inherits(ace.mode.Xml, ace.mode.Text);

34
test/TextEditTest.js
View file

@ -73,5 +73,39 @@ var TextEditTest = TestCase("TextEditTest",
var selection = editor.getSelectionRange();
assertPosition(0, 1, selection.start);
assertPosition(2, 1, selection.end);
},
"test: comment lines should perserve selection" : function() {
var doc = new ace.TextDocument([" abc", "cde"].join("\n"));
var editor = new ace.Editor(new MockRenderer(), doc, new ace.mode.JavaScript());
editor.moveCursorTo(0, 2);
editor.selectDown();
editor.toggleCommentLines();
assertEquals(["// abc", "//cde"].join("\n"), doc.toString());
var selection = editor.getSelectionRange();
assertPosition(0, 4, selection.start);
assertPosition(1, 4, selection.end);
},
"test: uncomment lines should perserve selection" : function() {
var doc = new ace.TextDocument(["// abc", "//cde"].join("\n"));
var editor = new ace.Editor(new MockRenderer(), doc, new ace.mode.JavaScript());
editor.moveCursorTo(0, 1);
editor.selectDown();
editor.selectRight();
editor.selectRight();
editor.toggleCommentLines();
assertEquals([" abc", "cde"].join("\n"), doc.toString());
var selection = editor.getSelectionRange();
assertPosition(0, 0, selection.start);
assertPosition(1, 1, selection.end);
}
});

51
test/mode/JavaScriptTest.js Normal file
View file

@ -0,0 +1,51 @@
var JavaScriptTest = new TestCase("mode.JavaScriptTest", {
setUp : function() {
this.mode = new ace.mode.JavaScript();
},
"test: getTokenizer() (smoke test)" : function() {
var tokenizer = this.mode.getTokenizer();
assertTrue(tokenizer instanceof ace.Tokenizer);
var tokens = tokenizer.getLineTokens("'juhu'", "start").tokens;
assertEquals("string", tokens[0].type);
},
"test: toggle comment lines should prepend '//' to each line" : function() {
var doc = new ace.TextDocument([" abc", "cde", "fg"].join("\n"));
var range = {
start: {row: 0, column: 3},
end: {row: 1, column: 1}
};
var comment = this.mode.toggleCommentLines(doc, range);
assertEquals(["// abc", "//cde", "fg"].join("\n"), doc.toString());
},
"test: toggle comment on commented lines should remove leading '//' chars" : function() {
var doc = new ace.TextDocument(["// abc", "//cde", "fg"].join("\n"));
var range = {
start: {row: 0, column: 3},
end: {row: 1, column: 1}
};
var comment = this.mode.toggleCommentLines(doc, range);
assertEquals([" abc", "cde", "fg"].join("\n"), doc.toString());
},
"test: toggle comment on multiple lines with one commented line prepend '//' to each line" : function() {
var doc = new ace.TextDocument(["// abc", "//cde", "fg"].join("\n"));
var range = {
start: {row: 0, column: 3},
end: {row: 2, column: 1}
};
var comment = this.mode.toggleCommentLines(doc, range);
assertEquals(["//// abc", "////cde", "//fg"].join("\n"), doc.toString());
}
});

27
test/mode/XmlTest.js Normal file
View file

@ -0,0 +1,27 @@
var XmlTest = new TestCase("mode.XmlTest", {
setUp : function() {
this.mode = new ace.mode.Xml();
},
"test: getTokenizer() (smoke test)" : function() {
var tokenizer = this.mode.getTokenizer();
assertTrue(tokenizer instanceof ace.Tokenizer);
var tokens = tokenizer.getLineTokens("<juhu>", "start").tokens;
assertEquals("keyword", tokens[1].type);
},
"test: toggle comment lines should not do anything" : function() {
var doc = new ace.TextDocument([" abc", "cde", "fg"].join("\n"));
var range = {
start: {row: 0, column: 3},
end: {row: 1, column: 1}
};
var comment = this.mode.toggleCommentLines(doc, range);
assertEquals([" abc", "cde", "fg"].join("\n"), doc.toString());
}
});