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373 lines
11 KiB
JavaScript
Executable file
373 lines
11 KiB
JavaScript
Executable file
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("./lib/oop");
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var lang = require("./lib/lang");
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var EventEmitter = require("./lib/event_emitter").EventEmitter;
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var Editor = require("./editor").Editor;
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var Renderer = require("./virtual_renderer").VirtualRenderer;
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var EditSession = require("./edit_session").EditSession;
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/**
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* @class Split
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*
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*
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*
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**/
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var Split = function(container, theme, splits) {
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this.BELOW = 1;
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this.BESIDE = 0;
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this.$container = container;
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this.$theme = theme;
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this.$splits = 0;
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this.$editorCSS = "";
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this.$editors = [];
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this.$orientation = this.BESIDE;
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this.setSplits(splits || 1);
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this.$cEditor = this.$editors[0];
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this.on("focus", function(editor) {
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this.$cEditor = editor;
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}.bind(this));
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};
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(function(){
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oop.implement(this, EventEmitter);
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this.$createEditor = function() {
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var el = document.createElement("div");
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el.className = this.$editorCSS;
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el.style.cssText = "position: absolute; top:0px; bottom:0px";
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this.$container.appendChild(el);
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var editor = new Editor(new Renderer(el, this.$theme));
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editor.on("focus", function() {
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this._emit("focus", editor);
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}.bind(this));
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this.$editors.push(editor);
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editor.setFontSize(this.$fontSize);
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return editor;
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};
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this.setSplits = function(splits) {
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var editor;
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if (splits < 1) {
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throw "The number of splits have to be > 0!";
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}
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if (splits == this.$splits) {
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return;
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} else if (splits > this.$splits) {
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while (this.$splits < this.$editors.length && this.$splits < splits) {
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editor = this.$editors[this.$splits];
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this.$container.appendChild(editor.container);
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editor.setFontSize(this.$fontSize);
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this.$splits ++;
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}
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while (this.$splits < splits) {
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this.$createEditor();
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this.$splits ++;
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}
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} else {
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while (this.$splits > splits) {
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editor = this.$editors[this.$splits - 1];
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this.$container.removeChild(editor.container);
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this.$splits --;
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}
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}
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this.resize();
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};
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/**
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*
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* Returns the number of splits.
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* @returns {Number}
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**/
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this.getSplits = function() {
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return this.$splits;
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};
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/**
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* @param {Number} idx The index of the editor you want
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*
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* Returns the editor identified by the index `idx`.
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*
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**/
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this.getEditor = function(idx) {
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return this.$editors[idx];
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};
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/**
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*
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* Returns the current editor.
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* @returns {Editor}
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**/
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this.getCurrentEditor = function() {
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return this.$cEditor;
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};
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/**
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* Focuses the current editor.
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* @related Editor.focus
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**/
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this.focus = function() {
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this.$cEditor.focus();
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};
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/**
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* Blurs the current editor.
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* @related Editor.blur
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**/
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this.blur = function() {
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this.$cEditor.blur();
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};
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/**
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*
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* @param {String} theme The name of the theme to set
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*
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* Sets a theme for each of the available editors.
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* @related Editor.setTheme
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**/
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this.setTheme = function(theme) {
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this.$editors.forEach(function(editor) {
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editor.setTheme(theme);
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});
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};
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/**
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*
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* @param {String} keybinding
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*
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* Sets the keyboard handler for the editor.
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* @related editor.setKeyboardHandler
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**/
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this.setKeyboardHandler = function(keybinding) {
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this.$editors.forEach(function(editor) {
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editor.setKeyboardHandler(keybinding);
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});
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};
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/**
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*
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* @param {Function} callback A callback function to execute
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* @param {String} scope The default scope for the callback
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*
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* Executes `callback` on all of the available editors.
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*
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**/
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this.forEach = function(callback, scope) {
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this.$editors.forEach(callback, scope);
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};
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this.$fontSize = "";
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/**
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* @param {Number} size The new font size
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*
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* Sets the font size, in pixels, for all the available editors.
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*
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**/
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this.setFontSize = function(size) {
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this.$fontSize = size;
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this.forEach(function(editor) {
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editor.setFontSize(size);
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});
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};
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this.$cloneSession = function(session) {
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var s = new EditSession(session.getDocument(), session.getMode());
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var undoManager = session.getUndoManager();
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if (undoManager) {
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var undoManagerProxy = new UndoManagerProxy(undoManager, s);
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s.setUndoManager(undoManagerProxy);
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}
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// Overwrite the default $informUndoManager function such that new delas
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// aren't added to the undo manager from the new and the old session.
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s.$informUndoManager = lang.delayedCall(function() { s.$deltas = []; });
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// Copy over 'settings' from the session.
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s.setTabSize(session.getTabSize());
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s.setUseSoftTabs(session.getUseSoftTabs());
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s.setOverwrite(session.getOverwrite());
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s.setBreakpoints(session.getBreakpoints());
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s.setUseWrapMode(session.getUseWrapMode());
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s.setUseWorker(session.getUseWorker());
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s.setWrapLimitRange(session.$wrapLimitRange.min,
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session.$wrapLimitRange.max);
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s.$foldData = session.$cloneFoldData();
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return s;
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};
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/**
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*
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* @param {EditSession} session The new edit session
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* @param {Number} idx The editor's index you're interested in
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*
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* Sets a new [[EditSession `EditSession`]] for the indicated editor.
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* @related Editor.setSession
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**/
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this.setSession = function(session, idx) {
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var editor;
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if (idx == null) {
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editor = this.$cEditor;
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} else {
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editor = this.$editors[idx];
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}
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// Check if the session is used already by any of the editors in the
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// split. If it is, we have to clone the session as two editors using
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// the same session can cause terrible side effects (e.g. UndoQueue goes
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// wrong). This also gives the user of Split the possibility to treat
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// each session on each split editor different.
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var isUsed = this.$editors.some(function(editor) {
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return editor.session === session;
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});
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if (isUsed) {
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session = this.$cloneSession(session);
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}
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editor.setSession(session);
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// Return the session set on the editor. This might be a cloned one.
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return session;
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};
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/**
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*
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* Returns the orientation.
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* @returns {Number}
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**/
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this.getOrientation = function() {
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return this.$orientation;
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};
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/**
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*
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* Sets the orientation.
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* @param {Number} orientation The new orientation value
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*
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*
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**/
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this.setOrientation = function(orientation) {
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if (this.$orientation == orientation) {
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return;
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}
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this.$orientation = orientation;
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this.resize();
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};
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/**
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* Resizes the editor.
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**/
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this.resize = function() {
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var width = this.$container.clientWidth;
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var height = this.$container.clientHeight;
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var editor;
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if (this.$orientation == this.BESIDE) {
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var editorWidth = width / this.$splits;
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for (var i = 0; i < this.$splits; i++) {
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editor = this.$editors[i];
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editor.container.style.width = editorWidth + "px";
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editor.container.style.top = "0px";
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editor.container.style.left = i * editorWidth + "px";
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editor.container.style.height = height + "px";
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editor.resize();
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}
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} else {
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var editorHeight = height / this.$splits;
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for (var i = 0; i < this.$splits; i++) {
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editor = this.$editors[i];
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editor.container.style.width = width + "px";
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editor.container.style.top = i * editorHeight + "px";
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editor.container.style.left = "0px";
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editor.container.style.height = editorHeight + "px";
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editor.resize();
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}
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}
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};
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}).call(Split.prototype);
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function UndoManagerProxy(undoManager, session) {
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this.$u = undoManager;
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this.$doc = session;
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}
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(function() {
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this.execute = function(options) {
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this.$u.execute(options);
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};
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this.undo = function() {
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var selectionRange = this.$u.undo(true);
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if (selectionRange) {
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this.$doc.selection.setSelectionRange(selectionRange);
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}
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};
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this.redo = function() {
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var selectionRange = this.$u.redo(true);
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if (selectionRange) {
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this.$doc.selection.setSelectionRange(selectionRange);
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}
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};
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this.reset = function() {
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this.$u.reset();
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};
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this.hasUndo = function() {
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return this.$u.hasUndo();
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};
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this.hasRedo = function() {
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return this.$u.hasRedo();
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};
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}).call(UndoManagerProxy.prototype);
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exports.Split = Split;
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});
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