dojo.require("dijit.Tree");
dojo.require("dijit.form.CheckBox");
-dojo.declare( "lib.CheckBoxStoreModel", dijit.tree.TreeStoreModel,
+dojo.declare( "lib.CheckBoxStoreModel", dijit.tree.TreeStoreModel,
{
// checkboxAll: Boolean
- // If true, every node in the tree will receive a checkbox regardless if the 'checkbox' attribute
+ // If true, every node in the tree will receive a checkbox regardless if the 'checkbox' attribute
// is specified in the dojo.data.
checkboxAll: true,
// checkboxRoot: Boolean
// If true, the root node will receive a checkbox eventhough it's not a true entry in the store.
// This attribute is independent of the showRoot attribute of the tree itself. If the tree
- // attribute 'showRoot' is set to false to checkbox for the root will not show either.
+ // attribute 'showRoot' is set to false to checkbox for the root will not show either.
checkboxRoot: false,
// checkboxStrict: Boolean
- // If true, a strict parent-child checkbox relation is maintained. For example, if all children
+ // If true, a strict parent-child checkbox relation is maintained. For example, if all children
// are checked the parent will automatically be checked or if any of the children are unchecked
- // the parent will be unchecked.
+ // the parent will be unchecked.
checkboxStrict: true,
// checkboxIdent: String
// state. Example: { name:'Egypt', type:'country', checkbox: true }
// If a dojo.data.item has no 'checkbox' attribute specified it will depend on the attribute
// 'checkboxAll' if one will be created automatically and if so what the initial state will be as
- // specified by 'checkboxState'.
+ // specified by 'checkboxState'.
checkboxIdent: "checkbox",
updateCheckbox: function(/*dojo.data.Item*/ storeItem, /*Boolean*/ newState ) {
// summary:
- // Update the checkbox state (true/false) for the item and the associated parent and
- // child checkboxes if any.
+ // Update the checkbox state (true/false) for the item and the associated parent and
+ // child checkboxes if any.
// description:
- // Update a single checkbox state (true/false) for the item and the associated parent
+ // Update a single checkbox state (true/false) for the item and the associated parent
// and child checkboxes if any. This function is called from the tree if a user checked
- // or unchecked a checkbox on the tree. The parent and child tree nodes are updated to
+ // or unchecked a checkbox on the tree. The parent and child tree nodes are updated to
// maintain consistency if 'checkboxStrict' is set to true.
// storeItem:
// The item in the dojo.data.store whos checkbox state needs updating.
// example:
// | model.updateCheckboxState(item, true);
//
+
this._setCheckboxState( storeItem, newState );
- if( this.checkboxStrict ) {
+ //if( this.checkboxStrict ) { I don't need all this 1-1 stuff, only parent -> child (fox)
this._updateChildCheckbox( storeItem, newState );
- this._updateParentCheckbox( storeItem, newState );
- }
+ //this._updateParentCheckbox( storeItem, newState );
+ //}
},
setAllChecked: function(checked) {
var items = this.store._arrayOfAllItems;
var result = [];
for (var i = 0; i < items.length; i++) {
- if (this.store.getValue(items[i], 'checkbox'))
+ if (this.store.getValue(items[i], 'checkbox'))
result.push(items[i]);
}
// The item in the dojo.data.store whos checkbox state is returned.
// example:
// | var currState = model.getCheckboxState(item);
- //
+ //
var currState = undefined;
-
+
// Special handling required for the 'fake' root entry (the root is NOT a dojo.data.item).
// this stuff is only relevant for Forest store -fox
/* if ( storeItem == this.root ) {
// Set/update the checkbox state on the dojo.data store.
// description:
// Set/update the checkbox state on the dojo.data.store. Retreive the current
- // state of the checkbox and validate if an update is required, this will keep
+ // state of the checkbox and validate if an update is required, this will keep
// update events to a minimum. On completion a 'onCheckboxChange' event is
- // triggered.
- // If the current state is undefined (ie: no checkbox attribute specified for
- // this dojo.data.item) the 'checkboxAll' attribute is checked to see if one
+ // triggered.
+ // If the current state is undefined (ie: no checkbox attribute specified for
+ // this dojo.data.item) the 'checkboxAll' attribute is checked to see if one
// needs to be created. In case of the root the 'checkboxRoot' attribute is checked.
- // NOTE: the store.setValue function will create the 'checkbox' attribute for the
- // item if none exists.
+ // NOTE: the store.setValue function will create the 'checkbox' attribute for the
+ // item if none exists.
// storeItem:
// The item in the dojo.data.store whos checkbox state is updated.
// newState:
// | model.setCheckboxState(item, true);
//
var stateChanged = true;
-
+
if( storeItem != this.root ) {
var currState = this.store.getValue(storeItem, this.checkboxIdent);
if( currState != newState && ( currState !== undefined || this.checkboxAll ) ) {
}
return stateChanged;
},
-
+
_updateChildCheckbox: function(/*dojo.data.Item*/ parentItem, /*Boolean*/ newState ) {
// summary:
// Set all child checkboxes to true/false depending on the parent checkbox state.
// description:
- // If a parent checkbox changes state, all child and grandchild checkboxes will be
- // updated to reflect the change. For example, if the parent state is set to true,
+ // If a parent checkbox changes state, all child and grandchild checkboxes will be
+ // updated to reflect the change. For example, if the parent state is set to true,
// all child and grandchild checkboxes will receive that same 'true' state.
// If a child checkbox changes state and has multiple parent, all of its parents
// need to be re-evaluated.
// newState:
// The new state of the checkbox: true or false
//
+
if( this.mayHaveChildren( parentItem )) {
this.getChildren( parentItem, dojo.hitch( this,
function( children ) {
dojo.forEach( children, function(child) {
- if( this._setCheckboxState(child, newState) ) {
+ if( this._setCheckboxState(child, newState) ) {
var parents = this._getParentsItem(child);
if( parents.length > 1 ) {
this._updateParentCheckbox( child, newState );
}),
function(err) {
console.error(this, ": updating child checkboxes: ", err);
- }
+ }
);
}
},
// description:
// Update the parent checkbox state depending on the state of all child checkboxes.
// The parent checkbox automatically changes state if ALL child checkboxes are true
- // or false. If, as a result, the parent checkbox changes state, we will check if
+ // or false. If, as a result, the parent checkbox changes state, we will check if
// its parent needs to be updated as well all the way upto the root.
// storeItem:
// The dojo.data.item whos parent checkboxes require updating.
if( newState ) { // new state = true (checked)
this.getChildren( parentItem, dojo.hitch( this,
function(siblings) {
- var allChecked = true;
+ var allChecked = true;
dojo.some( siblings, function(sibling) {
siblState = this.getCheckboxState(sibling);
if( siblState !== undefined && allChecked )
- allChecked = siblState;
+ allChecked = siblState;
return !(allChecked);
}, this );
if( allChecked ) {
}
}, this );
},
-
+
_getParentsItem: function(/*dojo.data.Item*/ storeItem ) {
// summary:
- // Get the parent(s) of a dojo.data item.
+ // Get the parent(s) of a dojo.data item.
// description:
// Get the parent(s) of a dojo.data item. The '_reverseRefMap' entry of the item is
- // used to identify the parent(s). A child will have a parent reference if the parent
- // specified the '_reference' attribute.
+ // used to identify the parent(s). A child will have a parent reference if the parent
+ // specified the '_reference' attribute.
// For example: children:[{_reference:'Mexico'}, {_reference:'Canada'}, ...
// storeItem:
// The dojo.data.item whos parent(s) will be returned.
// Validate/normalize the parent(s) checkbox data in the dojo.data store.
// description:
// Validate/normalize the parent-child checkbox relationship if the attribute
- // 'checkboxStrict' is set to true. This function is called as part of the post
+ // 'checkboxStrict' is set to true. This function is called as part of the post
// creation of the Tree instance. All parent checkboxes are set to the appropriate
- // state according to the actual state(s) of their children.
+ // state according to the actual state(s) of their children.
// This will potentionally overwrite whatever was specified for the parent in the
// dojo.data store. This will garantee the tree is in a consistent state after startup.
// storeItem:
}
childState = this.getCheckboxState( child );
if( childState !== undefined && allChecked )
- allChecked = childState;
+ allChecked = childState;
}, this);
if ( this._setCheckboxState( storeItem, allChecked) ) {
}),
function(err) {
console.error(this, ": validating checkbox data: ", err);
- }
+ }
);
},
onCheckboxChange: function(/*dojo.data.Item*/ storeItem ) {
// summary:
- // Callback whenever a checkbox state has changed state, so that
+ // Callback whenever a checkbox state has changed state, so that
// the Tree can update the checkbox. This callback is generally
- // triggered by the '_setCheckboxState' function.
+ // triggered by the '_setCheckboxState' function.
// tags:
// callback
}
-
+
});
dojo.declare( "lib._CheckBoxTreeNode", dijit._TreeNode,
// description:
// Create a checkbox on the CheckBoxTreeNode. The checkbox is ONLY created if a
// valid reference was found in the dojo.data store or the attribute 'checkboxAll'
- // is set to true. If the current state is 'undefined' no reference was found and
+ // is set to true. If the current state is 'undefined' no reference was found and
// 'checkboxAll' is set to false.
// Note: the attribute 'checkboxAll' is validated by the getCheckboxState function
// therefore no need to do that here. (see getCheckboxState for details).
- //
+ //
var currState = this.tree.model.getCheckboxState( this.item );
if( currState !== undefined ) {
this._checkbox = new dijit.form.CheckBox();
dojo.place(this._checkbox.domNode, this.expandoNode, 'after');
}
},
-
+
postCreate: function() {
// summary:
// Handle the creation of the checkbox after the CheckBoxTreeNode has been instanciated.
dojo.declare( "lib.CheckBoxTree", dijit.Tree,
{
-
+
onNodeChecked: function(/*dojo.data.Item*/ storeItem, /*treeNode*/ treeNode) {
// summary:
// Callback when a checkbox tree node is checked
// tags:
// callback
},
-
+
onNodeUnchecked: function(/*dojo.data.Item*/ storeItem, /* treeNode */ treeNode) {
// summary:
// Callback when a checkbox tree node is unchecked
// tags:
// callback
},
-
+
_onClick: function(/*TreeNode*/ nodeWidget, /*Event*/ e) {
// summary:
// Translates click events into commands for the controller to process
// the _onClick function is called whenever a 'click' is detected. This
// instance of _onClick only handles the click events associated with
// the checkbox whos DOM name is INPUT.
- //
+ //
var domElement = e.target;
// Only handle checkbox clicks here
this._publish("execute", { item: nodeWidget.item, node: nodeWidget} );
// Go tell the model to update the checkbox state
-
- this.model.updateCheckbox( nodeWidget.item, nodeWidget._checkbox.checked );
+
+ this.model.updateCheckbox( nodeWidget.item, nodeWidget._checkbox.checked );
// Generate some additional events
//this.onClick( nodeWidget.item, nodeWidget, e );
if(nodeWidget._checkbox.checked) {
}
this.focusNode(nodeWidget);
},
-
+
_onCheckboxChange: function(/*dojo.data.Item*/ storeItem ) {
// summary:
// Processes notification of a change to a checkbox state (triggered by the model).
// description:
- // Whenever the model changes the state of a checkbox in the dojo.data.store it will
- // trigger the 'onCheckboxChange' event allowing the Tree to make the same changes
+ // Whenever the model changes the state of a checkbox in the dojo.data.store it will
+ // trigger the 'onCheckboxChange' event allowing the Tree to make the same changes
// on the tree Node. There are several conditions why a tree node or checkbox does not
// exists:
// a) The node has not been created yet (the user has not expanded the tree node yet).
// b) The checkbox may be null if condition (a) exists or no 'checkbox' attribute was
- // specified for the associated dojo.data.item and the attribute 'checkboxAll' is
- // set to false.
+ // specified for the associated dojo.data.item and the attribute 'checkboxAll' is
+ // set to false.
// tags:
// callback
var model = this.model,
}
}, this );
}
- },
+ },
postCreate: function() {
// summary:
- // Handle any specifics related to the tree and model after the instanciation of the Tree.
+ // Handle any specifics related to the tree and model after the instanciation of the Tree.
// description:
- // Validate if we have a 'write' store first. Subscribe to the 'onCheckboxChange' event
+ // Validate if we have a 'write' store first. Subscribe to the 'onCheckboxChange' event
// (triggered by the model) and kickoff the initial checkbox data validation.
//
var store = this.model.store;
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