mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-27 10:23:28 +01:00
94 lines
3.2 KiB
JavaScript
94 lines
3.2 KiB
JavaScript
/**
|
|
* Copyright (C) 2012-2013 KO GmbH <copyright@kogmbh.com>
|
|
*
|
|
* @licstart
|
|
* This file is part of WebODF.
|
|
*
|
|
* WebODF is free software: you can redistribute it and/or modify it
|
|
* under the terms of the GNU Affero General Public License (GNU AGPL)
|
|
* as published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* WebODF is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with WebODF. If not, see <http://www.gnu.org/licenses/>.
|
|
* @licend
|
|
*
|
|
* @source: http://www.webodf.org/
|
|
* @source: https://github.com/kogmbh/WebODF/
|
|
*/
|
|
|
|
/*global define, require, gui*/
|
|
|
|
webodfModule.define("webodf/editor/widgets/zoomSlider", [
|
|
"dijit/form/HorizontalSlider"],
|
|
|
|
function (HorizontalSlider) {
|
|
"use strict";
|
|
|
|
// The slider zooms from -1 to +1, which corresponds
|
|
// to zoom levels of 1/extremeZoomFactor to extremeZoomFactor.
|
|
return function ZoomSlider(callback) {
|
|
var self = this,
|
|
editorSession,
|
|
slider,
|
|
extremeZoomFactor = 4;
|
|
|
|
function updateSlider(zoomLevel) {
|
|
slider.set('value', Math.log(zoomLevel) / Math.log(extremeZoomFactor), false);
|
|
}
|
|
|
|
this.setEditorSession = function (session) {
|
|
var zoomHelper;
|
|
if (editorSession) {
|
|
editorSession.getOdfCanvas().getZoomHelper().unsubscribe(gui.ZoomHelper.signalZoomChanged, updateSlider);
|
|
}
|
|
|
|
editorSession = session;
|
|
if (editorSession) {
|
|
zoomHelper = editorSession.getOdfCanvas().getZoomHelper();
|
|
zoomHelper.subscribe(gui.ZoomHelper.signalZoomChanged, updateSlider);
|
|
updateSlider(zoomHelper.getZoomLevel());
|
|
}
|
|
slider.setAttribute('disabled', !editorSession);
|
|
};
|
|
|
|
/*jslint emptyblock: true*/
|
|
this.onToolDone = function () {};
|
|
/*jslint emptyblock: false*/
|
|
|
|
// init
|
|
function init() {
|
|
slider = new HorizontalSlider({
|
|
name: 'zoomSlider',
|
|
disabled: true,
|
|
value: 0,
|
|
minimum: -1,
|
|
maximum: 1,
|
|
discreteValues: 0.01,
|
|
intermediateChanges: true,
|
|
style: {
|
|
width: '150px',
|
|
height: '25px',
|
|
float: 'right'
|
|
}
|
|
});
|
|
|
|
slider.onChange = function (value) {
|
|
if (editorSession) {
|
|
editorSession.getOdfCanvas().getZoomHelper().setZoomLevel(Math.pow(extremeZoomFactor, value));
|
|
}
|
|
self.onToolDone();
|
|
};
|
|
|
|
return callback(slider);
|
|
}
|
|
|
|
init();
|
|
};
|
|
});
|