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import QtQuick 1.0

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: "gold"
    property color borderColor: "white"

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

    //set appearance properties
    radius:10
    smooth: true
    border.color: "white"
    border.width: 3
    width: buttonWidth; height: buttonHeight
    
    Text{
        id: buttonLabel
        anchors.centerIn: parent
        text: label //"button label"    //bind the text to the parent's text
    }

    //buttonClick() is callable and a signal handler, onButtonClick is automatically created
    signal buttonClick()
    onButtonClick: {
        console.log(buttonLabel.text + " clicked" )
    }

    //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} }

}
