--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian.org/WRTKit/UI/SelectionMenu.js Fri Jun 05 16:18:05 2009 +0100
@@ -0,0 +1,204 @@
+/*
+© Copyright 2008 Nokia Corporation. All rights reserved.
+
+IMPORTANT: The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia
+Corporation (“Nokia”) in consideration of your agreement to the following terms. Your use, installation
+and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If
+you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example
+Widget files.
+
+In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia
+grants you a personal, non-exclusive license, under Nokia’s copyrights in the WRTKit and Example
+Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,
+CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60
+Widgets.
+
+If you redistribute the WRTKit and Example files, you must retain this entire notice in all such
+redistributions of the WRTKit and Example files.
+
+You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products
+that include the WRTKit and Example files without the prior written explicit agreement with Nokia.
+Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by
+Nokia herein, including but not limited to any patent rights that may be infringed by your products that
+incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files
+may be incorporated.
+
+The WRTKit and Example files are provided on an "AS IS" basis. NOKIA MAKES NO
+WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
+WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION
+ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+
+IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR
+DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY
+OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,
+EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+///////////////////////////////////////////////////////////////////////////////
+// The SelectionMenu class implements a single or multi selection control
+// that lets users select one or more options from a menu.
+
+// Constructor.
+function SelectionMenu(id, caption, options, multipleSelection, selected) {
+ if (id != UI_NO_INIT_ID) {
+ this.init(id, caption, options, multipleSelection, selected);
+ }
+}
+
+// SelectionMenu inherits from SelectionControl.
+SelectionMenu.prototype = new SelectionControl(UI_NO_INIT_ID);
+
+// Reference to the peer HTML element.
+SelectionControl.prototype.peerElement = null;
+
+// Array for tracking option elements.
+SelectionMenu.prototype.optionElements = null;
+
+// Initializer - called from constructor.
+SelectionMenu.prototype.init = function(id, caption, options, multipleSelection, selected) {
+ uiLogger.debug("SelectionMenu.init(" + id + ", " + caption + ", " + options + ", " + multipleSelection + ", " + selected + ")");
+
+ // call superclass initializer
+ SelectionControl.prototype.init.call(this, id, caption, options, multipleSelection, selected);
+
+ // create the control
+ this.peerElement = document.createElement("select");
+ this.peerElement.multiple = multipleSelection;
+ this.controlElement.appendChild(this.peerElement);
+
+ // init option elements array
+ this.optionElements = [];
+
+ // update the option elements to match the options in this control
+ this.updateOptionElements();
+
+ // bind event listeners
+ var self = this;
+ this.peerElement.addEventListener("focus", function() { self.focusStateChanged(true); }, false);
+ this.peerElement.addEventListener("blur", function() { self.focusStateChanged(false); }, false);
+ this.peerElement.addEventListener("mouseover", function() { self.hoverStateChanged(true); }, false);
+ this.peerElement.addEventListener("mouseout", function() { self.hoverStateChanged(false); }, false);
+ this.peerElement.addEventListener("change", function() { self.selectionChanged(); }, false);
+}
+
+// Returns the enabled state.
+SelectionMenu.prototype.isEnabled = function() {
+ return !this.peerElement.disabled;
+}
+
+// Sets the enabled state.
+SelectionMenu.prototype.setEnabled = function(enabled) {
+ uiLogger.debug("SelectionMenu.setEnabled(" + enabled + ")");
+ this.peerElement.disabled = !enabled;
+}
+
+// Sets the focused state for the control.
+// Note: This may not always succeed.
+SelectionMenu.prototype.setFocused = function(focused) {
+ uiLogger.debug("SelectionMenu.setFocused(" + focused + ")");
+ if (focused) {
+ this.peerElement.focus();
+ } else {
+ this.peerElement.blur();
+ }
+}
+
+// Sets the currently selected options. Pass a single option in a single selection
+// control or an array of selected controls in a multiple selection control. To
+// deselect all options pass null in a single selection control and an empty array
+// in a multiple selection control.
+SelectionMenu.prototype.setSelected = function(selected) {
+ // call superclass setSelected()
+ SelectionControl.prototype.setSelected.call(this, selected);
+
+ // iterate through the options and set the selected state
+ // on the corresponding option element
+ for (var i = 0; i < this.options.length; i++) {
+ this.optionElements[i].selected = this.isSelected(this.options[i]);
+ }
+}
+
+// Sets the options in the control.
+SelectionMenu.prototype.setOptions = function(options) {
+ // call superclass setOptions()
+ SelectionControl.prototype.setOptions.call(this, options);
+ this.updateOptionElements();
+}
+
+// Updates the option elements for the peer select element.
+SelectionMenu.prototype.updateOptionElements = function() {
+ // start by removing all current options from the select element
+ while (this.peerElement.firstChild != null) {
+ this.peerElement.removeChild(this.peerElement.firstChild);
+ }
+
+ // iterate through the options and add (and possibly create) a
+ // properly configured option element for each option
+ for (var i = 0; i < this.options.length; i++) {
+ // do we need to create a new option element?
+ if (i == this.optionElements.length) {
+ this.optionElements.push(document.createElement("option"));
+ }
+
+ // get the option and option element we're working on
+ var option = this.options[i];
+ var optionElement = this.optionElements[i];
+
+ // set the state for this option element and add it to the
+ // peer select element
+ optionElement.text = option.text;
+ optionElement.selected = this.isSelected(option);
+ this.peerElement.appendChild(optionElement);
+ }
+
+ // update the style
+ this.updateStyleFromState();
+}
+
+// Callback for selection change events.
+SelectionMenu.prototype.selectionChanged = function() {
+ uiLogger.debug("SelectionControl.selectionChanged()");
+
+ // update the selected options array or reference
+ this.selected = (this.multipleSelection) ? [] : null;
+ for (var i = 0; i < this.options.length; i++) {
+ if (this.optionElements[i].selected) {
+ if (this.multipleSelection) {
+ this.selected.push(this.options[i]);
+ } else {
+ this.selected = this.options[i];
+ break;
+ }
+ }
+ }
+
+ // notify event listeners
+ this.fireEvent(this.createEvent("SelectionChanged", this.getSelected()));
+}
+
+// Updates the style of the control to reflects the state of the control.
+SelectionMenu.prototype.updateStyleFromState = function() {
+ uiLogger.debug("SelectionMenu.updateStyleFromState()");
+
+ // determine the state name
+ var stateName = this.getStyleStateName();
+
+ // set element class names
+ this.setClassName(this.rootElement, "Control");
+ this.setClassName(this.controlElement, "ControlElement");
+ this.setClassName(this.assemblyElement, "ControlAssembly ControlAssembly" + stateName);
+ this.setClassName(this.captionElement, "ControlCaption ControlCaption" + stateName);
+
+ // set select and option element class names
+ var peerStateName = this.isEnabled() ? stateName : "Disabled";
+ this.setClassName(this.peerElement, "SelectionMenu SelectionMenu" + peerStateName);
+ for (var i = 0; i < this.options.length; i++) {
+ var option = this.optionElements[i];
+ this.setClassName(option, "SelectionMenuOption SelectionMenuOption" + peerStateName);
+ }
+}