Initial commit

crystalreportviewers13/js/crviewer/StateManager.js

@@ -0,0 +1,86 @@
+/* Copyright (c) Business Objects 2006. All rights reserved. */
+
+/**
+ * Constructor. StateManager holds state for multiple viewers.  
+ */
+bobj.crv.StateManager = function() {
+    this._state = {};
+};
+
+bobj.crv.StateManager.prototype = {
+    /**
+     * Set the state object for a report view
+     *
+     * @param viewerName [String]  
+     * @param stateName  [String]  The name of the report view 
+     * @param viewState  [Object]  The state associated with the report view  
+     */
+    setViewState: function(viewerName, stateName, viewState) {
+        var state = this._state;
+        
+        if (!state[viewerName]) {
+            state[viewerName] = {};
+        }
+        
+        state[viewerName][stateName] = viewState;
+    },
+    
+    /**
+     * Get the state object for a report view
+     *
+     * @param viewerName [String]  
+     * @param stateName  [String]  The name of the report view 
+     *
+     * @return [Object] Returns the state object for the report view or null
+     *                  if no object is associated with (viewerName, stateName)
+     */
+    getViewState: function(viewerName, stateName) {
+        var state = this._state;
+        
+        if (!state[viewerName]) {
+            return null;    
+        }
+        return state[viewerName][stateName];
+    },
+    
+    /**
+     * Set the compound state object for a viewer components. This object 
+     * should contain a state object for every report view displayed by the 
+     * viewer.
+     *
+     * @param viewerName [String]  
+     * @param state      [Object]  All report view states for the viewer  
+     */
+    setComponentState: function(viewerName, state) {
+        this._state[viewerName] = state;
+    },
+    
+    /**
+     * Get the compound state object for a viewer component. This object 
+     * should contain a state object for every report view displayed by the 
+     * viewer.
+     *
+     * @param viewerName [String]  
+     *
+     * @return [Object]  Returns all report view states for the viewer  
+     */
+    getComponentState: function(viewerName) {
+        return this._state[viewerName];
+    },
+    
+    /**
+     * Get the state for all viewer components on the page.
+     *
+     * @return [Object] Returns the state of all viewers on the page, mapped
+     *                  by the id of the viewer widgets.
+     */
+    getCompositeState: function() {
+        return this._state;
+    }
+};
+
+// Create a single StateManager for all viewers in the page to share
+if (typeof bobj.crv.viewerState == 'undefined') {
+    bobj.crv.stateManager = new bobj.crv.StateManager();
+}
+