added option to setOptions to avoid resetting view.

HISTORY.md

@@ -2,6 +2,13 @@
 http://visjs.org
 
 
+## 2014-05-09, version 1.0.2
+
+### Graph
+
+- added option to setOptions to avoid resetting view.
+
+
 ## 2014-05-09, version 1.0.1
 
 ### Timeline

dist/vis.js

@@ -5,7 +5,7 @@
  * A dynamic, browser-based visualization library.
  *
  * @version 1.0.2-SNAPSHOT
- * @date    2014-05-13
+ * @date    2014-05-20
  *
  * @license
  * Copyright (C) 2011-2014 Almende B.V, http://almende.com
@@ -16046,9 +16046,13 @@ Graph.prototype.setData = function(data, disableStart) {
 /**
  * Set options
  * @param {Object} options
+ * @param {Boolean} [initializeView] | set zoom and translation to default.
  */
-Graph.prototype.setOptions = function (options) {
+Graph.prototype.setOptions = function (options, initializeView) {
   if (options) {
+    if (initializeView === undefined) {
+      initializeView = true;
+    }
     var prop;
     // retrieve parameter values
     if (options.width !== undefined)           {this.width = options.width;}
@@ -16275,9 +16279,11 @@ Graph.prototype.setOptions = function (options) {
   // bind keys. If disabled, this will not do anything;
   this._createKeyBinds();
 
-  this.setSize(this.width, this.height);
-  this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2);
-  this._setScale(1);
+  if (initializeView == true) {
+    this.setSize(this.width, this.height);
+    this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2);
+    this._setScale(1);
+  }
   this._redraw();
 };
 

docs/graph.html

@@ -2041,10 +2041,10 @@ var options: {
   </tr>
 
   <tr>
-    <td>setOptions(options)</td>
+    <td>setOptions(options,[initializeView])</td>
     <td>none</td>
     <td>Set options for the graph. The available options are described in
-      the section <a href="#Configuration_options">Configuration Options</a>.
+      the section <a href="#Configuration_options">Configuration Options</a>. The <code>initializeView</code> boolean parameter is optional and can be used to avoid the resetting of the view when loading the options. This is ment when changing the options of an already initialized graph.
     </td>
   </tr>
 

src/graph/Graph.js

@@ -502,9 +502,13 @@ Graph.prototype.setData = function(data, disableStart) {
 /**
  * Set options
  * @param {Object} options
+ * @param {Boolean} [initializeView] | set zoom and translation to default.
  */
-Graph.prototype.setOptions = function (options) {
+Graph.prototype.setOptions = function (options, initializeView) {
   if (options) {
+    if (initializeView === undefined) {
+      initializeView = true;
+    }
     var prop;
     // retrieve parameter values
     if (options.width !== undefined)           {this.width = options.width;}
@@ -731,9 +735,11 @@ Graph.prototype.setOptions = function (options) {
   // bind keys. If disabled, this will not do anything;
   this._createKeyBinds();
 
-  this.setSize(this.width, this.height);
-  this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2);
-  this._setScale(1);
+  if (initializeView == true) {
+    this.setSize(this.width, this.height);
+    this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2);
+    this._setScale(1);
+  }
   this._redraw();
 };