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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/


import Qt 4.7

Rectangle {

	//identifier of the item
	id: button

	//these properties act as constants, useable outside this QML file
	property int buttonHeight: 75
	property int buttonWidth: 150
	
	//attaches to the Text element's text content
	property string label
	property color textColor: buttonLabel.color

	//the color highlight when the mouse hovers on the rectangle
	property color onHoverColor: "lightsteelblue"
	property color borderColor: "transparent"

	//buttonColor is set to the button's main color
	property color buttonColor: "lightblue"	

	property real labelSize: 14
	//set appearance properties
	radius:6
	smooth: true
	border.width: 2
	border.color: borderColor
	width: buttonWidth; height: buttonHeight
	
	Text{
		id: buttonLabel
		anchors.centerIn: parent
		text: label 	//bind the text to the parent's text
		color: "#DCDCCC"
		font.pointSize: labelSize
	}

	//buttonClick() is callable and a signal handler, onButtonClick is automatically created
	signal buttonClick()

	//define the clickable area to be the whole rectangle
	MouseArea{ 
		id: buttonMouseArea
		anchors.fill: parent	//stretch the area to the parent's dimension
		onClicked: buttonClick()
             
		//if true, then onEntered and onExited called if mouse hovers in the mouse area
                //if false, a button must be clicked to detect the mouse hover
                hoverEnabled: true

                //display a border if the mouse hovers on the button mouse area
                onEntered: parent.border.color = onHoverColor
                //remove the border if the mouse exits the button mouse area
                onExited:  parent.border.color = borderColor
		
	}

	//change the color of the button when pressed
	color: buttonMouseArea.pressed ? Qt.darker(buttonColor, 1.5) : buttonColor
	//animate the color whenever the color property changes
	Behavior on color { ColorAnimation{ duration: 55} }

	//scale the button when pressed
	scale: buttonMouseArea.pressed ? 1.1 : 1.00
	//Animate the scale property change
	Behavior on scale { NumberAnimation{ duration: 55} }

}