import Qt 4.7

Rectangle {
    id: searchBarWidget
    SystemPalette { id: myPalette; colorGroup: SystemPalette.Active }
    color : myPalette.window;

    property alias enableLineEdit: inputSearchText.enabled;
    property int focusIndex:-1;


    function setButtonText(string) { searchButton.setText(string) }
    function setEnableHistoryPrev(Boolean) { historyPrevToolButton.enabled = Boolean }
    function setEnableHistoryNext(Boolean) { historyNextToolButton.enabled = Boolean }
    function setEnableHistoryShow(Boolean) { historyShowToolButton.enabled = Boolean }
    function setEnableLineEdit(Boolean) { enableLineEdit = Boolean }
    function clear() { inputSearchText.setText("") }

    function setLineEditText(string) { inputSearchText.setText(string) }
    function setCompleterText(string) { inputSearchText.setCompleter(string) }

    function setFocus(){
        if(focusIndex==0){
            inputSearchText.setFocus();
            if(!inputSearchText.enabled)
                focusIndex++;
        }
        if(focusIndex==1)
            clearButton.focus=true;

        if(focusIndex==2){
            searchButton.focus = true
            if(!searchButton.enabled)
                focusIndex++;
        }

        if(focusIndex==3){
            historyPrevToolButton.focus = true
            if(!historyPrevToolButton.enabled)
                focusIndex++;
        }

        if(focusIndex==4){
            historyShowToolButton.focus = true
            if(!historyShowToolButton.enabled)
                focusIndex++;
        }

        if(focusIndex==5){
            historyNextToolButton.focus = true
            if(!historyNextToolButton.enabled)
                focusIndex++;
        }

        if (focusIndex>5){
            nextFocus();
            focusIndex=-1;
            focus=true;
        }
    }

    function focusOff(){ focus=true; focusIndex=-1;}

    signal nextFocus();
    signal checkFocus();
    signal searchButtonClicked(string text);
    signal historyNextToolButtonClicked;
    signal historyShowToolButtonClicked;
    signal historyPrevToolButtonClicked;
    signal textChange(string text);
    signal nextCompleter();
    signal prevCompleter();

    Keys.onTabPressed: {
        focusIndex++;
        setFocus();
    }

    MyTextLineEdit{
        id: inputSearchText
        width: (searchBarWidget.width - (searchBarWidget.height*3.5 + searchButton.width + 9));
        height: searchBarWidget.height -1;
        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        onEnterPressed: searchBarWidget.searchButtonClicked(text);
        useCompleter: true;
        IconButton {
            id: clearButton;
            width:  inputSearchText.height-6;
            height: inputSearchText.height-6;
            anchors.rightMargin: 4
            anchors.right: parent.right
            anchors.verticalCenter: parent.verticalCenter
            enabled: true;
            pathToIcon: "qrc:/button/go-clear.png";
            onClicked: clear();
            onActiveFocusChanged:searchBarWidget.checkFocus();
        }
        onTextChange: searchBarWidget.textChange(text)
        onNextCompleter: searchBarWidget.nextCompleter();
        onPrevCompleter: searchBarWidget.prevCompleter();
        onIsFocused: searchBarWidget.focusIndex=0;
        onCheckFocus: searchBarWidget.checkFocus();
    }

    Item {
        id: buttonsBox
        width: searchBarWidget.height*3.5 + searchButton.width + 9
        height: searchBarWidget.height
        anchors.right: parent.right
        anchors.verticalCenter: parent.verticalCenter

        Button {
            id: searchButton
            width: 100
            height: searchBarWidget.height;
            anchors.rightMargin: 3
            anchors.right: historyPrevToolButton.left
            anchors.verticalCenter: parent.verticalCenter
            textInButton: qsTr("Search")
            onClicked:{
                searchBarWidget.searchButtonClicked(inputSearchText.textInLineEdit);
                inputSearchText.hideCompleter();
            }
            onActiveFocusChanged:searchBarWidget.checkFocus();
        }

        IconButton {
            id: historyNextToolButton;
            width:  searchBarWidget.height
            height: searchBarWidget.height
            anchors.right: parent.right
            anchors.verticalCenter: parent.verticalCenter
            enabled: true;
            pathToIcon: "qrc:/button/go-next.png";
            onClicked: searchBarWidget.historyNextToolButtonClicked();
            onActiveFocusChanged:searchBarWidget.checkFocus();
        }

        IconButton {
            id: historyShowToolButton;
            width:  searchBarWidget.height
            height: searchBarWidget.height
            anchors.rightMargin: 3
            anchors.right: historyNextToolButton.left
            anchors.verticalCenter: parent.verticalCenter
            enabled: true;
            pathToIcon: "qrc:/button/go-show.png";
            onClicked: searchBarWidget.historyShowToolButtonClicked();
            onActiveFocusChanged:searchBarWidget.checkFocus();
        }

        IconButton {
            id: historyPrevToolButton;
            width:  searchBarWidget.height
            height: searchBarWidget.height
            anchors.rightMargin: 3
            anchors.right: historyShowToolButton.left
            anchors.verticalCenter: parent.verticalCenter
            enabled: true;
            pathToIcon: "qrc:/button/go-previous.png";
            onClicked: searchBarWidget.historyPrevToolButtonClicked();
            onActiveFocusChanged:searchBarWidget.checkFocus();
        }
    }
}