mypackage_wrt/WRTKit/UI/TextField.js
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     1 /*
       
     2 © Copyright 2008 Nokia Corporation. All rights reserved.
       
     3 
       
     4 IMPORTANT:  The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia
       
     5 Corporation (“Nokia”) in consideration of your agreement to the following terms. Your use, installation
       
     6 and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If
       
     7 you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example
       
     8 Widget files.
       
     9 
       
    10 In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia
       
    11 grants you a personal, non-exclusive license, under Nokia’s copyrights in the WRTKit and Example
       
    12 Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,
       
    13 CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60
       
    14 Widgets.
       
    15 
       
    16 If you redistribute the WRTKit and Example files, you must retain this entire notice in all such
       
    17 redistributions of the WRTKit and Example files.
       
    18 
       
    19 You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products
       
    20 that include the WRTKit and Example files without the prior written explicit agreement with Nokia.
       
    21 Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by
       
    22 Nokia herein, including but not limited to any patent rights that may be infringed by your products that
       
    23 incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files
       
    24 may be incorporated.
       
    25 
       
    26 The WRTKit and Example files are provided on an "AS IS" basis.  NOKIA MAKES NO
       
    27 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
       
    28 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
       
    29 PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION
       
    30 ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
       
    31 
       
    32 IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
       
    33 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
       
    34 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
       
    35 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR
       
    36 DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY
       
    37 OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,
       
    38 EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       
    39 
       
    40 */
       
    41 
       
    42 ///////////////////////////////////////////////////////////////////////////////
       
    43 // The TextField class implements a single line text entry control.
       
    44 
       
    45 // Constructor.
       
    46 function TextField(id, caption, value, masked) {
       
    47     if (id != UI_NO_INIT_ID) {
       
    48         this.init(id, caption, value, masked);
       
    49     }
       
    50 }
       
    51 
       
    52 // TextField inherits from TextEntryControl.
       
    53 TextField.prototype = new TextEntryControl(UI_NO_INIT_ID);
       
    54 
       
    55 // Initializer - called from constructor.
       
    56 TextField.prototype.init = function(id, caption, value, masked) {
       
    57     uiLogger.debug("TextField.init(" + id + ", " + caption + ", " + value + ", " + masked + ")");
       
    58     
       
    59     // call superclass initializer
       
    60     TextEntryControl.prototype.init.call(this, id, caption);
       
    61     
       
    62     // create the peer element
       
    63     this.peerElement = document.createElement("input");
       
    64     this.peerElement.type = masked ? "password" : "text";
       
    65     this.controlElement.appendChild(this.peerElement);
       
    66     
       
    67     // set the value
       
    68     this.peerElement.value = (value == null) ? "" : value;
       
    69     
       
    70     // bind event listeners
       
    71     this.bindTextEntryControlListeners();
       
    72     
       
    73     // update the style
       
    74     this.updateStyleFromState();
       
    75 }
       
    76 
       
    77 // Updates the style of the control to reflects the state of the control.
       
    78 TextField.prototype.updateStyleFromState = function() {
       
    79     uiLogger.debug("TextField.updateStyleFromState()");
       
    80     
       
    81     // determine the state name
       
    82     var stateName = this.getStyleStateName();
       
    83     
       
    84     // set element class names
       
    85     this.setClassName(this.rootElement, "Control");
       
    86     this.setClassName(this.controlElement, "ControlElement");
       
    87     this.setClassName(this.assemblyElement, "ControlAssembly ControlAssembly" + stateName);
       
    88     this.setClassName(this.captionElement, "ControlCaption ControlCaption" + stateName);
       
    89     
       
    90     // set peer element class names
       
    91     var peerStateName = this.isEnabled() ? stateName : "Disabled";
       
    92     this.setClassName(this.peerElement, "TextField TextField" + peerStateName);
       
    93 }