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implement center selection in view port command

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This commit is contained in:
Fabian Jakobs 2011-02-13 16:06:21 +01:00
commit e1fef748e8
2 changed files with 10 additions and 0 deletions
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4
lib/ace/commands/default_commands.js
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@ -261,6 +261,9 @@ canon.addCommand({
} }
}); });
canon.addCommand({ canon.addCommand({
name: "centerselection",
exec: function(env, args, request) { env.editor.centerSelection(); }
});
canon.addCommand({ canon.addCommand({
name: "splitline", name: "splitline",
exec: function(env, args, request) { env.editor.splitLine(); } exec: function(env, args, request) { env.editor.splitLine(); }
@ -270,4 +273,5 @@ canon.addCommand({
exec: function(env, args, request) { env.editor.transposeLetters(); } exec: function(env, args, request) { env.editor.transposeLetters(); }
}); });
}); });

6
lib/ace/editor.js
View file

@ -824,6 +824,12 @@ var Editor =function(renderer, session) {
this.scrollToLine = function(line, center) { this.scrollToLine = function(line, center) {
this.renderer.scrollToLine(line, center); this.renderer.scrollToLine(line, center);
}; };
this.centerSelection = function() {
var range = this.getSelectionRange();
var line = Math.floor(range.start.row + (range.end.row - range.start.row) / 2);
this.renderer.scrollToLine(line, true);
};
this.getCursorPosition = function() { this.getCursorPosition = function() {
return this.selection.getCursor(); return this.selection.getCursor();