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@@ -1,385 +1,4 @@
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-//dojo.provide("lib.CheckBoxTree");
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-//dojo.provide("lib.CheckBoxStoreModel");
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-
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-// THIS WIDGET IS BASED ON DOJO/DIJIT 1.4.0 AND WILL NOT WORK WITH PREVIOUS VERSIONS
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-//
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-// Release date: 02/05/2010
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-//
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-
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-//dojo.require("dijit.Tree");
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-//dojo.require("dijit.form.CheckBox");
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-
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-require(["dojo/_base/declare", "dijit/tree/TreeStoreModel"], function (declare) {
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-
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- return declare( "lib.CheckBoxStoreModel", dijit.tree.TreeStoreModel,
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- {
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- // checkboxAll: Boolean
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- // If true, every node in the tree will receive a checkbox regardless if the 'checkbox' attribute
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- // is specified in the dojo.data.
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- checkboxAll: true,
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-
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- // checkboxState: Boolean
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- // The default state applied to every checkbox unless otherwise specified in the dojo.data.
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- // (see also: checkboxIdent)
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- checkboxState: false,
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-
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- // checkboxRoot: Boolean
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- // If true, the root node will receive a checkbox eventhough it's not a true entry in the store.
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- // This attribute is independent of the showRoot attribute of the tree itself. If the tree
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- // attribute 'showRoot' is set to false to checkbox for the root will not show either.
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- checkboxRoot: false,
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-
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- // checkboxStrict: Boolean
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- // If true, a strict parent-child checkbox relation is maintained. For example, if all children
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- // are checked the parent will automatically be checked or if any of the children are unchecked
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- // the parent will be unchecked.
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- checkboxStrict: true,
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-
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- // checkboxIdent: String
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- // The attribute name (attribute of the dojo.data.item) that specifies that items checkbox initial
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- // state. Example: { name:'Egypt', type:'country', checkbox: true }
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- // If a dojo.data.item has no 'checkbox' attribute specified it will depend on the attribute
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- // 'checkboxAll' if one will be created automatically and if so what the initial state will be as
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- // specified by 'checkboxState'.
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- checkboxIdent: "checkbox",
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-
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- updateCheckbox: function(/*dojo.data.Item*/ storeItem, /*Boolean*/ newState ) {
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- // summary:
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- // Update the checkbox state (true/false) for the item and the associated parent and
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- // child checkboxes if any.
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- // description:
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- // Update a single checkbox state (true/false) for the item and the associated parent
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- // and child checkboxes if any. This function is called from the tree if a user checked
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- // or unchecked a checkbox on the tree. The parent and child tree nodes are updated to
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- // maintain consistency if 'checkboxStrict' is set to true.
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- // storeItem:
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- // The item in the dojo.data.store whos checkbox state needs updating.
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- // newState:
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- // The new state of the checkbox: true or false
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- // example:
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- // | model.updateCheckboxState(item, true);
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- //
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-
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- this._setCheckboxState( storeItem, newState );
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- //if( this.checkboxStrict ) { I don't need all this 1-1 stuff, only parent -> child (fox)
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- this._updateChildCheckbox( storeItem, newState );
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- //this._updateParentCheckbox( storeItem, newState );
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- //}
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- },
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- setAllChecked: function(checked) {
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- var items = this.store._arrayOfAllItems;
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- this.setCheckboxState(items, checked);
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- },
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- setCheckboxState: function(items, checked) {
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- for (var i = 0; i < items.length; i++) {
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- this._setCheckboxState(items[i], checked);
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- }
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- },
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- getCheckedItems: function() {
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- var items = this.store._arrayOfAllItems;
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- var result = [];
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-
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- for (var i = 0; i < items.length; i++) {
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- if (this.store.getValue(items[i], 'checkbox'))
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- result.push(items[i]);
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- }
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-
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- return result;
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- },
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-
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- getCheckboxState: function(/*dojo.data.Item*/ storeItem) {
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- // summary:
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- // Get the current checkbox state from the dojo.data.store.
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- // description:
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- // Get the current checkbox state from the dojo.data store. A checkbox can have three
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- // different states: true, false or undefined. Undefined in this context means no
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- // checkbox identifier (checkboxIdent) was found in the dojo.data store. Depending on
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- // the checkbox attributes as specified above the following will take place:
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- // a) If the current checkbox state is undefined and the checkbox attribute 'checkboxAll' or
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- // 'checkboxRoot' is true one will be created and the default state 'checkboxState' will
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- // be applied.
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- // b) If the current state is undefined and 'checkboxAll' is false the state undefined remains
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- // unchanged and is returned. This will prevent any tree node from creating a checkbox.
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- //
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- // storeItem:
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- // The item in the dojo.data.store whos checkbox state is returned.
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- // example:
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- // | var currState = model.getCheckboxState(item);
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- //
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- var currState = undefined;
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-
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- // Special handling required for the 'fake' root entry (the root is NOT a dojo.data.item).
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- // this stuff is only relevant for Forest store -fox
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- /* if ( storeItem == this.root ) {
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- if( typeof(storeItem.checkbox) == "undefined" ) {
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- this.root.checkbox = undefined; // create a new checbox reference as undefined.
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- if( this.checkboxRoot ) {
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- currState = this.root.checkbox = this.checkboxState;
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- }
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- } else {
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- currState = this.root.checkbox;
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- }
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- } else { // a valid dojo.store.item
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- currState = this.store.getValue(storeItem, this.checkboxIdent);
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- if( currState == undefined && this.checkboxAll) {
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- this._setCheckboxState( storeItem, this.checkboxState );
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- currState = this.checkboxState;
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- }
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- } */
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-
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- currState = this.store.getValue(storeItem, this.checkboxIdent);
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- if( currState == undefined && this.checkboxAll) {
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- this._setCheckboxState( storeItem, this.checkboxState );
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- currState = this.checkboxState;
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- }
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-
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- return currState; // the current state of the checkbox (true/false or undefined)
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- },
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-
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- _setCheckboxState: function(/*dojo.data.Item*/ storeItem, /*Boolean*/ newState ) {
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- // summary:
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- // Set/update the checkbox state on the dojo.data store.
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- // description:
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- // Set/update the checkbox state on the dojo.data.store. Retreive the current
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- // state of the checkbox and validate if an update is required, this will keep
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- // update events to a minimum. On completion a 'onCheckboxChange' event is
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- // triggered.
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- // If the current state is undefined (ie: no checkbox attribute specified for
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- // this dojo.data.item) the 'checkboxAll' attribute is checked to see if one
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- // needs to be created. In case of the root the 'checkboxRoot' attribute is checked.
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- // NOTE: the store.setValue function will create the 'checkbox' attribute for the
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- // item if none exists.
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- // storeItem:
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- // The item in the dojo.data.store whos checkbox state is updated.
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- // newState:
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- // The new state of the checkbox: true or false
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- // example:
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- // | model.setCheckboxState(item, true);
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- //
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- var stateChanged = true;
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-
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- if( storeItem != this.root ) {
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- var currState = this.store.getValue(storeItem, this.checkboxIdent);
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- if( currState != newState && ( currState !== undefined || this.checkboxAll ) ) {
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- this.store.setValue(storeItem, this.checkboxIdent, newState);
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- } else {
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- stateChanged = false; // No changes to the checkbox
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- }
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- } else { // Tree root instance
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- if( this.root.checkbox != newState && ( this.root.checkbox !== undefined || this.checkboxRoot ) ) {
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- this.root.checkbox = newState;
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- } else {
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- stateChanged = false;
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- }
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- }
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- if( stateChanged ) { // In case of any changes trigger the update event.
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- this.onCheckboxChange(storeItem);
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- }
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- return stateChanged;
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- },
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-
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- _updateChildCheckbox: function(/*dojo.data.Item*/ parentItem, /*Boolean*/ newState ) {
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- // summary:
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- // Set all child checkboxes to true/false depending on the parent checkbox state.
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- // description:
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- // If a parent checkbox changes state, all child and grandchild checkboxes will be
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- // updated to reflect the change. For example, if the parent state is set to true,
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- // all child and grandchild checkboxes will receive that same 'true' state.
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- // If a child checkbox changes state and has multiple parent, all of its parents
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- // need to be re-evaluated.
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- // parentItem:
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- // The parent dojo.data.item whos child/grandchild checkboxes require updating.
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- // newState:
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- // The new state of the checkbox: true or false
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- //
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-
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- if( this.mayHaveChildren( parentItem )) {
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- this.getChildren( parentItem, dojo.hitch( this,
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- function( children ) {
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- dojo.forEach( children, function(child) {
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- if( this._setCheckboxState(child, newState) ) {
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- var parents = this._getParentsItem(child);
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- if( parents.length > 1 ) {
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- this._updateParentCheckbox( child, newState );
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- }
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- }
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- if( this.mayHaveChildren( child )) {
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- this._updateChildCheckbox( child, newState );
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- }
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- }, this );
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- }),
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- function(err) {
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- console.error(this, ": updating child checkboxes: ", err);
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- }
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- );
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- }
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- },
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-
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- _updateParentCheckbox: function(/*dojo.data.Item*/ storeItem, /*Boolean*/ newState ) {
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- // summary:
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- // Update the parent checkbox state depending on the state of all child checkboxes.
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- // description:
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- // Update the parent checkbox state depending on the state of all child checkboxes.
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- // The parent checkbox automatically changes state if ALL child checkboxes are true
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- // or false. If, as a result, the parent checkbox changes state, we will check if
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- // its parent needs to be updated as well all the way upto the root.
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- // storeItem:
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- // The dojo.data.item whos parent checkboxes require updating.
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- // newState:
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- // The new state of the checkbox: true or false
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- //
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- var parents = this._getParentsItem(storeItem);
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- dojo.forEach( parents, function( parentItem ) {
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- if( newState ) { // new state = true (checked)
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- this.getChildren( parentItem, dojo.hitch( this,
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- function(siblings) {
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- var allChecked = true;
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- dojo.some( siblings, function(sibling) {
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- siblState = this.getCheckboxState(sibling);
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- if( siblState !== undefined && allChecked )
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- allChecked = siblState;
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- return !(allChecked);
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- }, this );
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- if( allChecked ) {
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- this._setCheckboxState( parentItem, true );
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- this._updateParentCheckbox( parentItem, true );
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- }
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- }),
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- function(err) {
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- console.error(this, ": updating parent checkboxes: ", err);
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- }
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- );
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- } else { // new state = false (unchecked)
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- if( this._setCheckboxState( parentItem, false ) ) {
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- this._updateParentCheckbox( parentItem, false );
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- }
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- }
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- }, this );
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- },
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-
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- _getParentsItem: function(/*dojo.data.Item*/ storeItem ) {
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- // summary:
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- // Get the parent(s) of a dojo.data item.
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- // description:
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- // Get the parent(s) of a dojo.data item. The '_reverseRefMap' entry of the item is
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- // used to identify the parent(s). A child will have a parent reference if the parent
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- // specified the '_reference' attribute.
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- // For example: children:[{_reference:'Mexico'}, {_reference:'Canada'}, ...
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- // storeItem:
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- // The dojo.data.item whos parent(s) will be returned.
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- //
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- var parents = [];
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-
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- if( storeItem != this.root ) {
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- var references = storeItem[this.store._reverseRefMap];
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- for(itemId in references ) {
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- parents.push(this.store._itemsByIdentity[itemId]);
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- }
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- if (!parents.length) {
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- parents.push(this.root);
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- }
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- }
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- return parents; // parent(s) of a dojo.data.item (Array of dojo.data.items)
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- },
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-
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- validateData: function(/*dojo.data.Item*/ storeItem, /*thisObject*/ scope ) {
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- // summary:
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- // Validate/normalize the parent(s) checkbox data in the dojo.data store.
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- // description:
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- // Validate/normalize the parent-child checkbox relationship if the attribute
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- // 'checkboxStrict' is set to true. This function is called as part of the post
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- // creation of the Tree instance. All parent checkboxes are set to the appropriate
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- // state according to the actual state(s) of their children.
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- // This will potentionally overwrite whatever was specified for the parent in the
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- // dojo.data store. This will garantee the tree is in a consistent state after startup.
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- // storeItem:
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- // The element to start traversing the dojo.data.store, typically model.root
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- // scope:
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- // The scope to use when this method executes.
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- // example:
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- // | this.model.validateData(this.model.root, this.model);
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- //
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- if( !scope.checkboxStrict ) {
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- return;
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- }
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- scope.getChildren( storeItem, dojo.hitch( scope,
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- function(children) {
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- var allChecked = true;
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- var childState;
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- dojo.forEach( children, function( child ) {
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- if( this.mayHaveChildren( child )) {
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- this.validateData( child, this );
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- }
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- childState = this.getCheckboxState( child );
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- if( childState !== undefined && allChecked )
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- allChecked = childState;
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- }, this);
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-
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- if ( this._setCheckboxState( storeItem, allChecked) ) {
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- this._updateParentCheckbox( storeItem, allChecked);
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- }
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- }),
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- function(err) {
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- console.error(this, ": validating checkbox data: ", err);
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- }
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- );
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- },
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-
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- onCheckboxChange: function(/*dojo.data.Item*/ storeItem ) {
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- // summary:
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- // Callback whenever a checkbox state has changed state, so that
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- // the Tree can update the checkbox. This callback is generally
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- // triggered by the '_setCheckboxState' function.
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- // tags:
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- // callback
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- }
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-
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- });
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-
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-});
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-
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-require(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree"], function (declare, domConstruct) {
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-
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- return declare("lib._CheckBoxTreeNode", dijit._TreeNode,
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- {
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- // _checkbox: [protected] dojo.doc.element
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- // Local reference to the dojo.doc.element of type 'checkbox'
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- _checkbox: null,
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-
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- _createCheckbox: function () {
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- // summary:
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- // Create a checkbox on the CheckBoxTreeNode
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- // description:
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- // Create a checkbox on the CheckBoxTreeNode. The checkbox is ONLY created if a
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- // valid reference was found in the dojo.data store or the attribute 'checkboxAll'
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- // is set to true. If the current state is 'undefined' no reference was found and
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- // 'checkboxAll' is set to false.
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- // Note: the attribute 'checkboxAll' is validated by the getCheckboxState function
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- // therefore no need to do that here. (see getCheckboxState for details).
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- //
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- var currState = this.tree.model.getCheckboxState(this.item);
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- if (currState !== undefined) {
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- this._checkbox = new dijit.form.CheckBox();
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- //this._checkbox = dojo.doc.createElement('input');
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- this._checkbox.type = 'checkbox';
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- this._checkbox.attr('checked', currState);
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- domConstruct.place(this._checkbox.domNode, this.expandoNode, 'after');
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- }
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- },
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-
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- postCreate: function () {
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- // summary:
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- // Handle the creation of the checkbox after the CheckBoxTreeNode has been instanciated.
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- // description:
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- // Handle the creation of the checkbox after the CheckBoxTreeNode has been instanciated.
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- this._createCheckbox();
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- this.inherited(arguments);
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- }
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-
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- });
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-});
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-
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-require(["dojo/_base/declare", "dijit/Tree"], function (declare) {
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+define(["dojo/_base/declare", "dijit/Tree", "lib/_CheckBoxTreeNode" ], function (declare) {
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return declare( "lib.CheckBoxTree", dijit.Tree,
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{
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