//
//  iWeb - WidgetCommon.js
//  Copyright (c) 2007 Apple Inc. All rights reserved.
//

var widgets = []; var identifiersToStringLocalizations = []; function Widget(instanceID, widgetPath, sharedPath, sitePath, preferences, runningInApp) {
    if (instanceID) {
        this.instanceID = instanceID; this.widgetPath = widgetPath; this.sharedPath = sharedPath; this.sitePath = sitePath; this.preferences = preferences; this.runningInApp = (runningInApp === undefined) ? false : runningInApp; this.onloadReceived = false; if (this.preferences && this.runningInApp == true)
        { this.preferences.widget = this; setTransparentGifURL(this.sharedPath.stringByAppendingPathComponent("None.gif")); }
        this.div().widget = this; window[instanceID] = this; widgets.push(this); widgets[instanceID] = this; if (!this.constructor.instances)
        { this.constructor.instances = new Array(); }
        this.constructor.instances.push(this);
    } 
}
Widget.prototype.div = function() {
    var divID = this.instanceID; if (arguments.length == 1)
    { divID = this.instanceID + "-" + arguments[0]; }
    return $(divID);
}
Widget.prototype.onload = function()
{ this.onloadReceived = true; }
Widget.prototype.onunload = function()
{ }
Widget.prototype.didBecomeSelected = function()
{ }
Widget.prototype.didBecomeDeselected = function()
{ }
Widget.prototype.didBeginEditing = function()
{ }
Widget.prototype.didEndEditing = function()
{ }
Widget.prototype.setNeedsDisplay = function()
{ }
Widget.prototype.preferenceForKey = function(key) {
    var value; if (this.preferences)
        value = this.preferences[key]; return value;
}
Widget.prototype.initializeDefaultPreferences = function(prefs) {
    var self = this; Object.keys(prefs).forEach(function(pref) {
        if (self.preferenceForKey(pref) === undefined)
        { self.setPreferenceForKey(prefs[pref], pref); } 
    });
}
Widget.prototype.setPreferenceForKey = function(preference, key, registerUndo) {
    if (this.runningInApp) {
        if (registerUndo === undefined)
            registerUndo = true; if ((registerUndo == false) && this.preferences.disableUndoRegistration)
            this.preferences.disableUndoRegistration(); this.preferences[key] = preference; if ((registerUndo == false) && this.preferences.enableUndoRegistration)
            this.preferences.enableUndoRegistration();
    }
    else
    { this.preferences[key] = preference; this.changedPreferenceForKey(key); } 
}
Widget.prototype.changedPreferenceForKey = function(key)
{ }
Widget.prototype.postNotificationWithNameAndUserInfo = function(name, userInfo) {
    if (window.NotificationCenter !== undefined)
    { NotificationCenter.postNotification(new IWNotification(name, null, userInfo)); } 
}
Widget.prototype.sizeWillChange = function()
{ }
Widget.prototype.sizeDidChange = function()
{ }
Widget.prototype.widgetWidth = function() {
    var enclosingDiv = this.div(); if (enclosingDiv)
        return enclosingDiv.offsetWidth; else
        return null;
}
Widget.prototype.widgetHeight = function() {
    var enclosingDiv = this.div(); if (enclosingDiv)
        return enclosingDiv.offsetHeight; else
        return null;
}
Widget.prototype.getInstanceId = function(id) {
    var fullId = this.instanceID + "-" + id; if (arguments.length == 2)
    { fullId += ("$" + arguments[1]); }
    return fullId;
}
Widget.prototype.getElementById = function(id)
{ var fullId = this.getInstanceId.apply(this, arguments); return $(fullId); }
Widget.prototype.localizedString = function(string)
{ return LocalizedString(this.widgetIdentifier, string); }
Widget.onload = function() {
    for (var i = 0; i < widgets.length; i++)
    { widgets[i].onload(); } 
}
Widget.onunload = function() {
    for (var i = 0; i < widgets.length; i++)
    { widgets[i].onunload(); } 
}
function RegisterWidgetStrings(identifier, strings)
{ identifiersToStringLocalizations[identifier] = strings; }
function LocalizedString(identifier, string) {
    var localized = undefined; var localizations = identifiersToStringLocalizations[identifier]; if (localizations === undefined)
    { iWLog("warning: no localizations for widget " + identifier + ", (key:" + string + ")"); }
    else
    { localized = localizations[string]; }
    if (localized === undefined)
    { iWLog("warning: couldn't find a localization for '" + string + "' for widget " + identifier); localized = string; }
    return localized;
}
function WriteLocalizedString(identifier, string)
{ document.write(LocalizedString(identifier, string)); }