From d5861b8bc49427d7f0391c0a09b516bd91c4d3f8 Mon Sep 17 00:00:00 2001
From: Victor Dubiniuk <victor.dubiniuk@gmail.com>
Date: Tue, 7 Oct 2014 00:45:38 +0300
Subject: [PATCH] Zooming with dropdown  instead of slider

---
 js/3rdparty/webodf/editor/Tools.js |  12 +--
 js/widgets/zoomSelect.js           | 121 +++++++++++++++++++++++++++++
 2 files changed, 127 insertions(+), 6 deletions(-)
 create mode 100644 js/widgets/zoomSelect.js

diff --git a/js/3rdparty/webodf/editor/Tools.js b/js/3rdparty/webodf/editor/Tools.js
index c0aa4dad..0f43d205 100644
--- a/js/3rdparty/webodf/editor/Tools.js
+++ b/js/3rdparty/webodf/editor/Tools.js
@@ -52,9 +52,9 @@ define("webodf/editor/Tools", [
     "webodf/editor/widgets/editHyperlinks",
     "webodf/editor/widgets/imageInserter",
     "webodf/editor/widgets/paragraphStylesDialog",
-    "webodf/editor/widgets/zoomSlider",
+    "owncloud/widgets/zoomSelect",
     "webodf/editor/EditorSession"],
-    function (ready, MenuItem, DropDownMenu, Button, DropDownButton, Toolbar, ParagraphAlignment, SimpleStyles, UndoRedoMenu, CurrentStyle, AnnotationControl, EditHyperlinks, ImageInserter, ParagraphStylesDialog, ZoomSlider, EditorSession) {
+    function (ready, MenuItem, DropDownMenu, Button, DropDownButton, Toolbar, ParagraphAlignment, SimpleStyles, UndoRedoMenu, CurrentStyle, AnnotationControl, EditHyperlinks, ImageInserter, ParagraphStylesDialog, ZoomSelect, EditorSession) {
         "use strict";
 
         return function Tools(args) {
@@ -67,7 +67,7 @@ define("webodf/editor/Tools", [
                 loadButton, saveButton, closeButton,
                 formatDropDownMenu, formatMenuButton,
                 paragraphStylesMenuItem, paragraphStylesDialog, simpleStyles, currentStyle,
-                zoomSlider,
+                zoomSelect,
                 undoRedoMenu,
                 editorSession,
                 paragraphAlignment,
@@ -171,12 +171,12 @@ define("webodf/editor/Tools", [
                 currentStyle.onToolDone = onToolDone;
 
                 // Zoom Level Selector
-                zoomSlider = new ZoomSlider(function (widget) {
+                zoomSelect = new ZoomSelect(function (widget) {
                     widget.placeAt(toolbar);
                     widget.startup();
                 });
-                sessionSubscribers.push(zoomSlider);
-                zoomSlider.onToolDone = onToolDone;
+                sessionSubscribers.push(zoomSelect);
+                zoomSelect.onToolDone = onToolDone;
 
                 // Load
                 if (loadOdtFile) {
diff --git a/js/widgets/zoomSelect.js b/js/widgets/zoomSelect.js
new file mode 100644
index 00000000..cab1c838
--- /dev/null
+++ b/js/widgets/zoomSelect.js
@@ -0,0 +1,121 @@
+/*global define,require */
+
+define("owncloud/widgets/zoomSelect",
+       ["webodf/editor/EditorSession"],
+
+    function (EditorSession) {
+    "use strict";
+    /**
+     * @constructor
+     */
+   return function ZoomSelect(callback) {
+        var self = this,
+            editorSession,
+            select,
+            canZoomTo = [25, 50, 75, 100, 125, 150, 200, 250, 300, 350, 400],
+            defaultZoom = 100;
+
+        function makeWidget(callback) {
+            require(["dijit/form/Select"], function (Select) {
+                select = new Select({
+                    name: 'ZoomSelect',
+                    maxHeight: 200,
+                    value: defaultZoom + "",
+                    style: {
+                        width: '100px',
+                        margin: "2px 10px 0 0",
+                        float: 'right'
+                    }
+                });
+                
+                select.onChange = function (value) {
+                    if (editorSession && value) {
+                        editorSession.getOdfCanvas().getZoomHelper().setZoomLevel(parseInt(value)/100);
+                    }
+                    self.onToolDone();
+                };
+                populateValues();
+
+                return callback(select);
+            });
+        }
+        
+        function populateValues() {
+            var i, selectionList;
+
+            selectionList = [];
+            if (!select) {
+                return;
+            }
+
+            for (i = 0; i < canZoomTo.length; i++) {
+                selectionList.push({
+                    label: canZoomTo[i] + '%',
+                    value: canZoomTo[i] + ""
+                });
+            }
+
+            select.removeOption(select.getOptions());
+            select.addOption(selectionList);
+        }
+        
+        function updateSelect(zoomLevel) {
+            if (select) {
+                self.setValue(zoomLevel);
+            }
+        }
+
+        this.setValue = function (value) {
+            if (value === "") {
+                value = defaultZoom + "";
+            }
+            select.set('value', value * 100 + "", false);
+        };
+
+        this.onAdd = null;
+        this.onRemove = null;
+        this.onChange = function () {};
+	this.onToolDone = function () {};
+
+        function addValue(option) {
+            if (select) {
+                select.addOption({
+                    label: option.label,
+                    value: option.value
+                });
+            }
+
+            if (self.onAdd) {
+                self.onAdd(option.label);
+            }
+        }
+
+        function removeValue(option) {
+            if (select) {
+                select.removeOption(option.value);
+            }
+
+            if (self.onRemove) {
+                self.onRemove(option.value);
+            }
+        }
+
+        this.setEditorSession = function(session) {
+            var zoomHelper;
+            if (editorSession) {
+                editorSession.getOdfCanvas().getZoomHelper().unsubscribe(gui.ZoomHelper.signalZoomChanged, updateSelect);
+            }
+            editorSession = session;
+            if (editorSession) {
+                zoomHelper = editorSession.getOdfCanvas().getZoomHelper();
+                zoomHelper.subscribe(gui.ZoomHelper.signalZoomChanged, updateSelect);
+                updateSelect(zoomHelper.getZoomLevel());
+            }
+        };
+
+        // init
+        makeWidget(function (widget) {
+            return callback(widget);
+        });
+    };
+});