mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-30 11:34:15 -05:00
373 lines
11 KiB
JavaScript
Executable file
373 lines
11 KiB
JavaScript
Executable file
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Distributed under the BSD license:
|
|
*
|
|
* Copyright (c) 2010, Ajax.org B.V.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of Ajax.org B.V. nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
define(function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("./lib/oop");
|
|
var lang = require("./lib/lang");
|
|
var EventEmitter = require("./lib/event_emitter").EventEmitter;
|
|
|
|
var Editor = require("./editor").Editor;
|
|
var Renderer = require("./virtual_renderer").VirtualRenderer;
|
|
var EditSession = require("./edit_session").EditSession;
|
|
|
|
/**
|
|
* @class Split
|
|
*
|
|
*
|
|
*
|
|
**/
|
|
|
|
|
|
var Split = function(container, theme, splits) {
|
|
this.BELOW = 1;
|
|
this.BESIDE = 0;
|
|
|
|
this.$container = container;
|
|
this.$theme = theme;
|
|
this.$splits = 0;
|
|
this.$editorCSS = "";
|
|
this.$editors = [];
|
|
this.$orientation = this.BESIDE;
|
|
|
|
this.setSplits(splits || 1);
|
|
this.$cEditor = this.$editors[0];
|
|
|
|
|
|
this.on("focus", function(editor) {
|
|
this.$cEditor = editor;
|
|
}.bind(this));
|
|
};
|
|
|
|
(function(){
|
|
|
|
oop.implement(this, EventEmitter);
|
|
|
|
this.$createEditor = function() {
|
|
var el = document.createElement("div");
|
|
el.className = this.$editorCSS;
|
|
el.style.cssText = "position: absolute; top:0px; bottom:0px";
|
|
this.$container.appendChild(el);
|
|
var editor = new Editor(new Renderer(el, this.$theme));
|
|
|
|
editor.on("focus", function() {
|
|
this._emit("focus", editor);
|
|
}.bind(this));
|
|
|
|
this.$editors.push(editor);
|
|
editor.setFontSize(this.$fontSize);
|
|
return editor;
|
|
};
|
|
|
|
this.setSplits = function(splits) {
|
|
var editor;
|
|
if (splits < 1) {
|
|
throw "The number of splits have to be > 0!";
|
|
}
|
|
|
|
if (splits == this.$splits) {
|
|
return;
|
|
} else if (splits > this.$splits) {
|
|
while (this.$splits < this.$editors.length && this.$splits < splits) {
|
|
editor = this.$editors[this.$splits];
|
|
this.$container.appendChild(editor.container);
|
|
editor.setFontSize(this.$fontSize);
|
|
this.$splits ++;
|
|
}
|
|
while (this.$splits < splits) {
|
|
this.$createEditor();
|
|
this.$splits ++;
|
|
}
|
|
} else {
|
|
while (this.$splits > splits) {
|
|
editor = this.$editors[this.$splits - 1];
|
|
this.$container.removeChild(editor.container);
|
|
this.$splits --;
|
|
}
|
|
}
|
|
this.resize();
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Returns the number of splits.
|
|
* @returns {Number}
|
|
**/
|
|
this.getSplits = function() {
|
|
return this.$splits;
|
|
};
|
|
|
|
/**
|
|
* @param {Number} idx The index of the editor you want
|
|
*
|
|
* Returns the editor identified by the index `idx`.
|
|
*
|
|
**/
|
|
this.getEditor = function(idx) {
|
|
return this.$editors[idx];
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Returns the current editor.
|
|
* @returns {Editor}
|
|
**/
|
|
this.getCurrentEditor = function() {
|
|
return this.$cEditor;
|
|
};
|
|
|
|
/**
|
|
* Focuses the current editor.
|
|
* @related Editor.focus
|
|
**/
|
|
this.focus = function() {
|
|
this.$cEditor.focus();
|
|
};
|
|
|
|
/**
|
|
* Blurs the current editor.
|
|
* @related Editor.blur
|
|
**/
|
|
this.blur = function() {
|
|
this.$cEditor.blur();
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {String} theme The name of the theme to set
|
|
*
|
|
* Sets a theme for each of the available editors.
|
|
* @related Editor.setTheme
|
|
**/
|
|
this.setTheme = function(theme) {
|
|
this.$editors.forEach(function(editor) {
|
|
editor.setTheme(theme);
|
|
});
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {String} keybinding
|
|
*
|
|
* Sets the keyboard handler for the editor.
|
|
* @related editor.setKeyboardHandler
|
|
**/
|
|
this.setKeyboardHandler = function(keybinding) {
|
|
this.$editors.forEach(function(editor) {
|
|
editor.setKeyboardHandler(keybinding);
|
|
});
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {Function} callback A callback function to execute
|
|
* @param {String} scope The default scope for the callback
|
|
*
|
|
* Executes `callback` on all of the available editors.
|
|
*
|
|
**/
|
|
this.forEach = function(callback, scope) {
|
|
this.$editors.forEach(callback, scope);
|
|
};
|
|
|
|
|
|
this.$fontSize = "";
|
|
/**
|
|
* @param {Number} size The new font size
|
|
*
|
|
* Sets the font size, in pixels, for all the available editors.
|
|
*
|
|
**/
|
|
this.setFontSize = function(size) {
|
|
this.$fontSize = size;
|
|
this.forEach(function(editor) {
|
|
editor.setFontSize(size);
|
|
});
|
|
};
|
|
|
|
this.$cloneSession = function(session) {
|
|
var s = new EditSession(session.getDocument(), session.getMode());
|
|
|
|
var undoManager = session.getUndoManager();
|
|
if (undoManager) {
|
|
var undoManagerProxy = new UndoManagerProxy(undoManager, s);
|
|
s.setUndoManager(undoManagerProxy);
|
|
}
|
|
|
|
// Overwrite the default $informUndoManager function such that new delas
|
|
// aren't added to the undo manager from the new and the old session.
|
|
s.$informUndoManager = lang.delayedCall(function() { s.$deltas = []; });
|
|
|
|
// Copy over 'settings' from the session.
|
|
s.setTabSize(session.getTabSize());
|
|
s.setUseSoftTabs(session.getUseSoftTabs());
|
|
s.setOverwrite(session.getOverwrite());
|
|
s.setBreakpoints(session.getBreakpoints());
|
|
s.setUseWrapMode(session.getUseWrapMode());
|
|
s.setUseWorker(session.getUseWorker());
|
|
s.setWrapLimitRange(session.$wrapLimitRange.min,
|
|
session.$wrapLimitRange.max);
|
|
s.$foldData = session.$cloneFoldData();
|
|
|
|
return s;
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {EditSession} session The new edit session
|
|
* @param {Number} idx The editor's index you're interested in
|
|
*
|
|
* Sets a new [[EditSession `EditSession`]] for the indicated editor.
|
|
* @related Editor.setSession
|
|
**/
|
|
this.setSession = function(session, idx) {
|
|
var editor;
|
|
if (idx == null) {
|
|
editor = this.$cEditor;
|
|
} else {
|
|
editor = this.$editors[idx];
|
|
}
|
|
|
|
// Check if the session is used already by any of the editors in the
|
|
// split. If it is, we have to clone the session as two editors using
|
|
// the same session can cause terrible side effects (e.g. UndoQueue goes
|
|
// wrong). This also gives the user of Split the possibility to treat
|
|
// each session on each split editor different.
|
|
var isUsed = this.$editors.some(function(editor) {
|
|
return editor.session === session;
|
|
});
|
|
|
|
if (isUsed) {
|
|
session = this.$cloneSession(session);
|
|
}
|
|
editor.setSession(session);
|
|
|
|
// Return the session set on the editor. This might be a cloned one.
|
|
return session;
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Returns the orientation.
|
|
* @returns {Number}
|
|
**/
|
|
this.getOrientation = function() {
|
|
return this.$orientation;
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Sets the orientation.
|
|
* @param {Number} orientation The new orientation value
|
|
*
|
|
*
|
|
**/
|
|
this.setOrientation = function(orientation) {
|
|
if (this.$orientation == orientation) {
|
|
return;
|
|
}
|
|
this.$orientation = orientation;
|
|
this.resize();
|
|
};
|
|
|
|
/**
|
|
* Resizes the editor.
|
|
**/
|
|
this.resize = function() {
|
|
var width = this.$container.clientWidth;
|
|
var height = this.$container.clientHeight;
|
|
var editor;
|
|
|
|
if (this.$orientation == this.BESIDE) {
|
|
var editorWidth = width / this.$splits;
|
|
for (var i = 0; i < this.$splits; i++) {
|
|
editor = this.$editors[i];
|
|
editor.container.style.width = editorWidth + "px";
|
|
editor.container.style.top = "0px";
|
|
editor.container.style.left = i * editorWidth + "px";
|
|
editor.container.style.height = height + "px";
|
|
editor.resize();
|
|
}
|
|
} else {
|
|
var editorHeight = height / this.$splits;
|
|
for (var i = 0; i < this.$splits; i++) {
|
|
editor = this.$editors[i];
|
|
editor.container.style.width = width + "px";
|
|
editor.container.style.top = i * editorHeight + "px";
|
|
editor.container.style.left = "0px";
|
|
editor.container.style.height = editorHeight + "px";
|
|
editor.resize();
|
|
}
|
|
}
|
|
};
|
|
|
|
}).call(Split.prototype);
|
|
|
|
|
|
function UndoManagerProxy(undoManager, session) {
|
|
this.$u = undoManager;
|
|
this.$doc = session;
|
|
}
|
|
|
|
(function() {
|
|
this.execute = function(options) {
|
|
this.$u.execute(options);
|
|
};
|
|
|
|
this.undo = function() {
|
|
var selectionRange = this.$u.undo(true);
|
|
if (selectionRange) {
|
|
this.$doc.selection.setSelectionRange(selectionRange);
|
|
}
|
|
};
|
|
|
|
this.redo = function() {
|
|
var selectionRange = this.$u.redo(true);
|
|
if (selectionRange) {
|
|
this.$doc.selection.setSelectionRange(selectionRange);
|
|
}
|
|
};
|
|
|
|
this.reset = function() {
|
|
this.$u.reset();
|
|
};
|
|
|
|
this.hasUndo = function() {
|
|
return this.$u.hasUndo();
|
|
};
|
|
|
|
this.hasRedo = function() {
|
|
return this.$u.hasRedo();
|
|
};
|
|
}).call(UndoManagerProxy.prototype);
|
|
|
|
exports.Split = Split;
|
|
});
|