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- define("webodf/editor/widgets/zoomSlider", [
- "dijit/form/HorizontalSlider"],
- function (HorizontalSlider) {
- "use strict";
-
-
- 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);
- };
-
- this.onToolDone = function () {};
-
-
- 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();
- };
- });
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