mypackage_wrt/WRTKit/UI/TextEntryControl.js
changeset 42 20be4dd42b12
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mypackage_wrt/WRTKit/UI/TextEntryControl.js	Fri Apr 30 15:01:03 2010 +0100
@@ -0,0 +1,125 @@
+/*
+© 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 TextEntryControl class is an abstract base class for the single and multi-
+// line text entry controls TextField and TextArea. Don't use TextEntryControl
+// directly.
+
+// Constructor.
+function TextEntryControl(id, caption) {
+    if (id != UI_NO_INIT_ID) {
+        this.init(id, caption);
+    }
+}
+
+// TextEntryControl inherits from Control.
+TextEntryControl.prototype = new Control(UI_NO_INIT_ID);
+
+// Reference to the peer HTML element.
+TextEntryControl.prototype.peerElement = null;
+
+// Initializer - called from constructor.
+TextEntryControl.prototype.init = function(id, caption) {
+    uiLogger.debug("TextEntryControl.init(" + id + ", " + caption + ")");
+    
+    // call superclass initializer
+    Control.prototype.init.call(this, id, caption);
+}
+
+// Common event listeners hookup function called from subclasses.
+TextEntryControl.prototype.bindTextEntryControlListeners = function() {
+    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.valueChanged(); }, false);
+}
+
+// Returns the enabled state.
+// Override this in subclasses as required to implement the state change.
+TextEntryControl.prototype.isEnabled = function() {
+    return !this.peerElement.readOnly;
+}
+
+// Sets the enabled state.
+// Override this in subclasses as required to implement the state change.
+TextEntryControl.prototype.setEnabled = function(enabled) {
+    uiLogger.debug("TextEntryControl.setEnabled(" + enabled + ")");
+    this.peerElement.readOnly = !enabled;
+    // update the style
+    this.updateStyleFromState();
+}
+
+// Returns the control text.
+TextEntryControl.prototype.getText = function() {
+    return this.peerElement.value;
+}
+
+// Sets the text for the control.
+TextEntryControl.prototype.setText = function(text) {
+    this.peerElement.value = text;
+}
+
+// Returns the focusable state for the control.
+TextEntryControl.prototype.isFocusable = function() {
+    // text entry controls are always focusable
+    return true;
+}
+
+// Sets the focused state for the control.
+// Note: This may not always succeed.
+TextEntryControl.prototype.setFocused = function(focused) {
+    uiLogger.debug("TextEntryControl.setFocused(" + focused + ")");
+    if (focused) {
+        this.peerElement.focus();
+    } else {
+        this.peerElement.blur();
+    }
+}
+
+// Callback for value change events.
+TextEntryControl.prototype.valueChanged = function() {
+    uiLogger.debug("TextEntryControl.valueChanged()");
+    // notify event listeners
+    this.fireEvent(this.createEvent("ValueChanged", this.peerElement.value));
+}