let currentOpenDialogue = "";

/** Shows the dialogue window called dialogueName, which is a child of pop-up-container in pixel-editor.hbs
 * 
 * @param {*} dialogueName The name of the window to show
 * @param {*} trackEvent Should I track the GA event?
 */
function showDialogue (dialogueName, trackEvent) {
    if (typeof trackEvent === 'undefined') trackEvent = true; 

    // Updating currently open dialogue
    currentOpenDialogue = dialogueName;
    // The pop up window is open
    dialogueOpen = true;
    // Showing the pop up container
    popUpContainer.style.display = 'block';

    // Showing the window
    document.getElementById(dialogueName).style.display = 'block';

    // If I'm opening the palette window, I initialize the colour picker
    if (dialogueName == 'palette-block' && documentCreated) {
        cpInit();
        pbInit();
    }

    //track google event
    if (trackEvent)
        ga('send', 'event', 'Palette Editor Dialogue', dialogueName); /*global ga*/
}

/** Closes the current dialogue by hiding the window and the pop-up-container
 * 
 */
function closeDialogue () {
    popUpContainer.style.display = 'none';
    var popups = popUpContainer.children;

    for (var i = 0; i < popups.length; i++) {
        popups[i].style.display = 'none';
    }

    dialogueOpen = false;

    if (currentOpenDialogue == "palette-block") {
        ColorModule.AddToSimplePalette();
    }
}

/** Closes a dialogue window if the user clicks everywhere but in the current window
 * 
 */
popUpContainer.addEventListener('click', function (e) {
    if (e.target == popUpContainer)
        closeDialogue();
});

//add click handlers for all cancel buttons
var cancelButtons = popUpContainer.getElementsByClassName('close-button');
for (var i = 0; i < cancelButtons.length; i++) {
    cancelButtons[i].addEventListener('click', function () {
        closeDialogue();
    });
}
