atom/vendor/ace/test/mockrenderer.js

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

define(function(require, exports, module) {

var MockRenderer = exports.MockRenderer = function(visibleRowCount) {
    this.container = document.createElement("div");
    this.visibleRowCount = visibleRowCount || 20;

    this.layerConfig = {
        firstVisibleRow : 0,
        lastVisibleRow : this.visibleRowCount
    };

    this.isMockRenderer = true;
};


MockRenderer.prototype.getFirstVisibleRow = function() {
    return this.layerConfig.firstVisibleRow;
};

MockRenderer.prototype.getLastVisibleRow = function() {
    return this.layerConfig.lastVisibleRow;
};

MockRenderer.prototype.getContainerElement = function() {
    return this.container;
};

MockRenderer.prototype.getMouseEventTarget = function() {
    return this.container;
};

MockRenderer.prototype.getTextAreaContainer = function() {
    return this.container;
};

MockRenderer.prototype.moveTextAreaToCursor = function() {
};

MockRenderer.prototype.setSession = function(session) {
    this.session = session;
};

MockRenderer.prototype.getSession = function(session) {
    return this.session;
};

MockRenderer.prototype.setTokenizer = function() {
};

MockRenderer.prototype.updateCursor = function() {
};

MockRenderer.prototype.scrollToLine = function(line, center) {
    var lineHeight = { lineHeight: 16 };
    var row = 0;
    for (var l = 1; l < line; l++) {
        row += this.session.getRowHeight(lineHeight, l-1) / lineHeight.lineHeight;
    }

    if (center) {
        row -= this.visibleRowCount / 2;
    }
    this.scrollToRow(row);
};

MockRenderer.prototype.scrollCursorIntoView = function() {
    var cursor = this.session.getSelection().getCursor();
    if (cursor.row < this.layerConfig.firstVisibleRow) {
        this.scrollToRow(cursor.row);
    }
    else if (cursor.row > this.layerConfig.lastVisibleRow) {
        this.scrollToRow(cursor.row);
    }
};

MockRenderer.prototype.scrollToRow = function(row) {
    var row = Math.min(this.session.getLength() - this.visibleRowCount, Math.max(0,
                                                                          row));
    this.layerConfig.firstVisibleRow = row;
    this.layerConfig.lastVisibleRow = row + this.visibleRowCount;
};

MockRenderer.prototype.getScrollTopRow = function() {
  return this.layerConfig.firstVisibleRow;
};

MockRenderer.prototype.draw = function() {
};

MockRenderer.prototype.updateLines = function(startRow, endRow) {
};

MockRenderer.prototype.updateBackMarkers = function() {
};

MockRenderer.prototype.updateFrontMarkers = function() {
};

MockRenderer.prototype.setBreakpoints = function() {
};

MockRenderer.prototype.onResize = function() {
};

MockRenderer.prototype.updateFull = function() {
};

MockRenderer.prototype.updateText = function() {
};

MockRenderer.prototype.showCursor = function() {
};

MockRenderer.prototype.visualizeFocus = function() {
};

MockRenderer.prototype.setAnnotations = function() {
};

MockRenderer.prototype.textToScreenCoordinates = function() {
    return {
        pageX: 0,
        pageY: 0
    }
};

});