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refactor key bindings

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This commit is contained in:
Fabian Jakobs 2010-04-26 15:10:05 +02:00
commit 214eba9761
1 changed files with 202 additions and 187 deletions
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389
src/ace/KeyBinding.js
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@ -2,201 +2,216 @@ ace.provide("ace.KeyBinding");
ace.KeyBinding = function(element, editor) {
this.editor = editor;
var keys = this.keys;
var self = this;
ace.addKeyListener(element, function(e) {
var key = e.keyCode;
var selection = editor.getSelection();
var key = [];
if (e.ctrlKey || e.metaKey) {
key.push("Control");
}
if (e.altKey) {
key.push("Alt");
}
if (e.shiftKey) {
key.push("Shift");
}
key.push(keys[e.keyCode] || String.fromCharCode(e.keyCode));
switch (key) {
case keys.A:
if (e.metaKey) {
selection.selectAll();
return ace.stopEvent(e);
}
break;
case keys.D:
if (e.metaKey) {
editor.removeLines();
return ace.stopEvent(e);
}
break;
case keys.L:
if (e.metaKey) {
var line = parseInt(prompt("Enter line number:"));
if (!isNaN(line)) {
editor.gotoLine(line);
return ace.stopEvent(e);
}
}
break;
case keys["7"]:
if (e.metaKey) {
editor.toggleCommentLines();
return ace.stopEvent(e);
};
break;
case keys.UP:
if (e.altKey && e.metaKey ) {
editor.copyLinesUp();
}
else if (e.altKey) {
editor.moveLinesUp();
}
else if (e.metaKey && e.shiftKey) {
selection.selectFileStart();
}
else if (e.metaKey) {
editor.navigateFileStart();
}
else if (e.shiftKey) {
selection.selectUp();
}
else {
editor.navigateUp();
}
return ace.stopEvent(e);
case keys.DOWN:
if (e.altKey && e.metaKey ) {
editor.copyLinesDown();
}
else if (e.altKey) {
editor.moveLinesDown();
}
else if (e.metaKey && e.shiftKey) {
selection.selectFileEnd();
}
else if (e.metaKey) {
editor.navigateFileEnd();
}
else if (e.shiftKey) {
selection.selectDown();
}
else {
editor.navigateDown();
}
return ace.stopEvent(e);
case keys.LEFT:
if (e.altKey && e.shiftKey) {
selection.selectWordLeft();
}
else if (e.altKey) {
editor.navigateWordLeft();
}
else if (e.metaKey && e.shiftKey) {
selection.selectLineStart();
}
else if (e.metaKey) {
editor.navigateLineStart();
}
else if (e.shiftKey) {
selection.selectLeft();
}
else {
editor.navigateLeft();
}
return ace.stopEvent(e);
case keys.RIGHT:
if (e.altKey && e.shiftKey) {
selection.selectWordRight();
}
else if (e.altKey) {
editor.navigateWordRight();
}
else if (e.metaKey && e.shiftKey) {
selection.selectLineEnd();
}
else if (e.metaKey) {
editor.navigateLineEnd();
}
else if (e.shiftKey) {
selection.selectRight();
}
else {
editor.navigateRight();
}
return ace.stopEvent(e);
case keys.PAGEDOWN:
if (e.shiftKey) {
selection.selectPageDown();
}
else {
editor.scrollPageDown();
}
return ace.stopEvent(e);
case keys.PAGEUP:
if (e.shiftKey) {
selection.selectPageUp();
}
else {
editor.scrollPageUp();
}
return ace.stopEvent(e);
case keys.POS1:
if (e.shiftKey) {
selection.selectLineStart();
}
else {
editor.navigateLineStart();
}
return ace.stopEvent(e);
case keys.END:
if (e.shiftKey) {
selection.selectLineEnd();
}
else {
editor.navigateLineEnd();
}
return ace.stopEvent(e);
case keys.DELETE:
editor.removeRight();
return ace.stopEvent(e);
case keys.BACKSPACE:
editor.removeLeft();
return ace.stopEvent(e);
case keys.TAB:
if (e.shiftKey) {
editor.blockOutdent();
} else if (selection.isMultiLine()) {
editor.blockIndent();
} else {
editor.onTextInput("\t");
}
return ace.stopEvent(e);
var command = self[key.join("-")];
if (command) {
self.selection = editor.getSelection();
command.call(self);
return ace.stopEvent(e);
}
});
};
(function() {
this.keys = {
UP : 38,
RIGHT : 39,
DOWN : 40,
LEFT : 37,
PAGEUP : 33,
PAGEDOWN : 34,
POS1 : 36,
END : 35,
DELETE : 46,
BACKSPACE : 8,
TAB : 9,
A : 65,
D: 68,
L: 76,
"7": 55
8: "Backspace",
9: "Tab",
16: "Shift",
17: "Control",
18: "Alt",
33: "PageUp",
34: "PageDown",
35: "End",
36: "Home",
37: "Left",
38: "Up",
39: "Right",
40: "Down",
46: "Delete",
91: "Meta"
};
}).call(ace.KeyBinding.prototype);
this["Control-A"] = function() {
this.selection.selectAll();
};
this["Control-D"] = function() {
this.editor.removeLines();
};
this["Control-L"] = function() {
var line = parseInt(prompt("Enter line number:"));
if (!isNaN(line)) {
this.editor.gotoLine(line);
}
};
this["Control-7"] = function() {
this.editor.toggleCommentLines();
};
this["Control-Alt-Up"] = function() {
this.editor.copyLinesUp();
};
this["Alt-Up"] = function() {
this.editor.moveLinesUp();
};
this["Control-Shift-Up"] = function() {
this.selection.selectFileStart();
};
this["Control-Up"] = function() {
this.editor.navigateFileStart();
};
this["Shift-Up"] = function() {
this.selection.selectUp();
};
this["Up"] = function() {
this.editor.navigateUp();
};
this["Control-Alt-Down"] = function() {
this.editor.copyLinesDown();
};
this["Alt-Down"] = function() {
this.editor.moveLinesDown();
};
this["Control-Shift-Down"] = function() {
this.selection.selectFileEnd();
};
this["Control-Down"] = function() {
this.editor.navigateFileEnd();
};
this["Shift-Down"] = function() {
this.selection.selectDown();
};
this["Down"] = function() {
this.editor.navigateDown();
};
this["Alt-Shift-Left"] = function() {
this.selection.selectWordLeft();
};
this["Alt-Left"] = function() {
this.editor.navigateWordLeft();
};
this["Control-Shift-Left"] = function() {
this.selection.selectLineStart();
};
this["Control-Left"] = function() {
this.editor.navigateLineStart();
};
this["Shift-Left"] = function() {
this.selection.selectLeft();
};
this["Left"] = function() {
this.editor.navigateLeft();
};
this["Alt-Shift-Right"] = function() {
this.selection.selectWordRight();
};
this["Alt-Right"] = function() {
this.editor.navigateWordRight();
};
this["Control-Shift-Right"] = function() {
this.selection.selectLineEnd();
};
this["Control-Right"] = function() {
this.editor.navigateLineEnd();
};
this["Shift-Right"] = function() {
this.selection.selectRight();
};
this["Right"] = function() {
this.editor.navigateRight();
};
this["Shift-PageDown"] = function() {
this.editor.selectPageDown();
};
this["PageDown"] = function() {
this.editor.scrollPageDown();
};
this["Shift-PageUp"] = function() {
this.editor.selectPageUp();
};
this["PageUp"] = function() {
this.editor.scrollPageUp();
};
this["Shift-Home"] = function() {
this.selection.selectLineStart();
};
this["Home"] = function() {
this.editor.navigateLineStart();
};
this["Shift-End"] = function() {
this.selection.selectLineEnd();
};
this["End"] = function() {
this.editor.navigateLineEnd();
};
this["Delete"] = function() {
this.editor.removeRight();
};
this["Backspace"] = function() {
this.editor.removeLeft();
};
this["Shift-Tab"] = function() {
this.editor.blockOutdent();
};
this["Tab"] = function() {
if (this.selection.isMultiLine()) {
this.editor.blockIndent();
} else {
this.editor.onTextInput("\t");
}
};
}).call(ace.KeyBinding.prototype);