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/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.Editor");
dojo.deprecated("dojo.widget.Editor", "is replaced by dojo.widget.Editor2", "0.5");
dojo.require("dojo.io.*");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.Toolbar");
dojo.require("dojo.widget.RichText");
dojo.require("dojo.widget.ColorPalette");
dojo.require("dojo.string.extras");
dojo.widget.tags.addParseTreeHandler("dojo:Editor");
dojo.widget.Editor = function () {
        dojo.widget.HtmlWidget.call(this);
        this.contentFilters = [];
        this._toolbars = [];
};
dojo.inherits(dojo.widget.Editor, dojo.widget.HtmlWidget);
dojo.widget.Editor.itemGroups = {textGroup:["bold", "italic", "underline", "strikethrough"], blockGroup:["formatBlock", "fontName", "fontSize"], justifyGroup:["justifyleft", "justifycenter", "justifyright"], commandGroup:["save", "cancel"], colorGroup:["forecolor", "hilitecolor"], listGroup:["insertorderedlist", "insertunorderedlist"], indentGroup:["outdent", "indent"], linkGroup:["createlink", "insertimage", "inserthorizontalrule"]};
dojo.widget.Editor.formatBlockValues = {"Normal":"p", "Main heading":"h2", "Sub heading":"h3", "Sub sub heading":"h4", "Preformatted":"pre"};
dojo.widget.Editor.fontNameValues = {"Arial":"Arial, Helvetica, sans-serif", "Verdana":"Verdana, sans-serif", "Times New Roman":"Times New Roman, serif", "Courier":"Courier New, monospace"};
dojo.widget.Editor.fontSizeValues = {"1 (8 pt)":"1", "2 (10 pt)":"2", "3 (12 pt)":"3", "4 (14 pt)":"4", "5 (18 pt)":"5", "6 (24 pt)":"6", "7 (36 pt)":"7"};
dojo.widget.Editor.defaultItems = ["commandGroup", "|", "blockGroup", "|", "textGroup", "|", "colorGroup", "|", "justifyGroup", "|", "listGroup", "indentGroup", "|", "linkGroup"];
dojo.widget.Editor.supportedCommands = ["save", "cancel", "|", "-", "/", " "];
dojo.lang.extend(dojo.widget.Editor, {widgetType:"Editor", saveUrl:"", saveMethod:"post", saveArgName:"editorContent", closeOnSave:false, items:dojo.widget.Editor.defaultItems, formatBlockItems:dojo.lang.shallowCopy(dojo.widget.Editor.formatBlockValues), fontNameItems:dojo.lang.shallowCopy(dojo.widget.Editor.fontNameValues), fontSizeItems:dojo.lang.shallowCopy(dojo.widget.Editor.fontSizeValues), getItemProperties:function (name) {
        var props = {};
        switch (name.toLowerCase()) {
          case "bold":
          case "italic":
          case "underline":
          case "strikethrough":
                props.toggleItem = true;
                break;
          case "justifygroup":
                props.defaultButton = "justifyleft";
                props.preventDeselect = true;
                props.buttonGroup = true;
                break;
          case "listgroup":
                props.buttonGroup = true;
                break;
          case "save":
          case "cancel":
                props.label = dojo.string.capitalize(name);
                break;
          case "forecolor":
          case "hilitecolor":
                props.name = name;
                props.toggleItem = true;
                props.icon = this.getCommandImage(name);
                break;
          case "formatblock":
                props.name = "formatBlock";
                props.values = this.formatBlockItems;
                break;
          case "fontname":
                props.name = "fontName";
                props.values = this.fontNameItems;
          case "fontsize":
                props.name = "fontSize";
                props.values = this.fontSizeItems;
        }
        return props;
}, validateItems:true, focusOnLoad:true, minHeight:"1em", _richText:null, _richTextType:"RichText", _toolbarContainer:null, _toolbarContainerType:"ToolbarContainer", _toolbars:[], _toolbarType:"Toolbar", _toolbarItemType:"ToolbarItem", buildRendering:function (args, frag) {
        var node = frag["dojo:" + this.widgetType.toLowerCase()]["nodeRef"];
        var trt = dojo.widget.createWidget(this._richTextType, {focusOnLoad:this.focusOnLoad, minHeight:this.minHeight}, node);
        var _this = this;
        setTimeout(function () {
                _this.setRichText(trt);
                _this.initToolbar();
                _this.fillInTemplate(args, frag);
        }, 0);
}, setRichText:function (richText) {
        if (this._richText && this._richText == richText) {
                dojo.debug("Already set the richText to this richText!");
                return;
        }
        if (this._richText && !this._richText.isClosed) {
                dojo.debug("You are switching richTexts yet you haven't closed the current one. Losing reference!");
        }
        this._richText = richText;
        dojo.event.connect(this._richText, "close", this, "onClose");
        dojo.event.connect(this._richText, "onLoad", this, "onLoad");
        dojo.event.connect(this._richText, "onDisplayChanged", this, "updateToolbar");
        if (this._toolbarContainer) {
                this._toolbarContainer.enable();
                this.updateToolbar(true);
        }
}, initToolbar:function () {
        if (this._toolbarContainer) {
                return;
        }
        this._toolbarContainer = dojo.widget.createWidget(this._toolbarContainerType);
        var tb = this.addToolbar();
        var last = true;
        for (var i = 0; i < this.items.length; i++) {
                if (this.items[i] == "\n") {
                        tb = this.addToolbar();
                } else {
                        if ((this.items[i] == "|") && (!last)) {
                                last = true;
                        } else {
                                last = this.addItem(this.items[i], tb);
                        }
                }
        }
        this.insertToolbar(this._toolbarContainer.domNode, this._richText.domNode);
}, insertToolbar:function (tbNode, richTextNode) {
        dojo.html.insertBefore(tbNode, richTextNode);
}, addToolbar:function (toolbar) {
        this.initToolbar();
        if (!(toolbar instanceof dojo.widget.Toolbar)) {
                toolbar = dojo.widget.createWidget(this._toolbarType);
        }
        this._toolbarContainer.addChild(toolbar);
        this._toolbars.push(toolbar);
        return toolbar;
}, addItem:function (item, tb, dontValidate) {
        if (!tb) {
                tb = this._toolbars[0];
        }
        var cmd = ((item) && (!dojo.lang.isUndefined(item["getValue"]))) ? cmd = item["getValue"]() : item;
        var groups = dojo.widget.Editor.itemGroups;
        if (item instanceof dojo.widget.ToolbarItem) {
                tb.addChild(item);
        } else {
                if (groups[cmd]) {
                        var group = groups[cmd];
                        var worked = true;
                        if (cmd == "justifyGroup" || cmd == "listGroup") {
                                var btnGroup = [cmd];
                                for (var i = 0; i < group.length; i++) {
                                        if (dontValidate || this.isSupportedCommand(group[i])) {
                                                btnGroup.push(this.getCommandImage(group[i]));
                                        } else {
                                                worked = false;
                                        }
                                }
                                if (btnGroup.length) {
                                        var btn = tb.addChild(btnGroup, null, this.getItemProperties(cmd));
                                        dojo.event.connect(btn, "onClick", this, "_action");
                                        dojo.event.connect(btn, "onChangeSelect", this, "_action");
                                }
                                return worked;
                        } else {
                                for (var i = 0; i < group.length; i++) {
                                        if (!this.addItem(group[i], tb)) {
                                                worked = false;
                                        }
                                }
                                return worked;
                        }
                } else {
                        if ((!dontValidate) && (!this.isSupportedCommand(cmd))) {
                                return false;
                        }
                        if (dontValidate || this.isSupportedCommand(cmd)) {
                                cmd = cmd.toLowerCase();
                                if (cmd == "formatblock") {
                                        var select = dojo.widget.createWidget("ToolbarSelect", {name:"formatBlock", values:this.formatBlockItems});
                                        tb.addChild(select);
                                        var _this = this;
                                        dojo.event.connect(select, "onSetValue", function (item, value) {
                                                _this.onAction("formatBlock", value);
                                        });
                                } else {
                                        if (cmd == "fontname") {
                                                var select = dojo.widget.createWidget("ToolbarSelect", {name:"fontName", values:this.fontNameItems});
                                                tb.addChild(select);
                                                dojo.event.connect(select, "onSetValue", dojo.lang.hitch(this, function (item, value) {
                                                        this.onAction("fontName", value);
                                                }));
                                        } else {
                                                if (cmd == "fontsize") {
                                                        var select = dojo.widget.createWidget("ToolbarSelect", {name:"fontSize", values:this.fontSizeItems});
                                                        tb.addChild(select);
                                                        dojo.event.connect(select, "onSetValue", dojo.lang.hitch(this, function (item, value) {
                                                                this.onAction("fontSize", value);
                                                        }));
                                                } else {
                                                        if (dojo.lang.inArray(cmd, ["forecolor", "hilitecolor"])) {
                                                                var btn = tb.addChild(dojo.widget.createWidget("ToolbarColorDialog", this.getItemProperties(cmd)));
                                                                dojo.event.connect(btn, "onSetValue", this, "_setValue");
                                                        } else {
                                                                var btn = tb.addChild(this.getCommandImage(cmd), null, this.getItemProperties(cmd));
                                                                if (cmd == "save") {
                                                                        dojo.event.connect(btn, "onClick", this, "_save");
                                                                } else {
                                                                        if (cmd == "cancel") {
                                                                                dojo.event.connect(btn, "onClick", this, "_close");
                                                                        } else {
                                                                                dojo.event.connect(btn, "onClick", this, "_action");
                                                                                dojo.event.connect(btn, "onChangeSelect", this, "_action");
                                                                        }
                                                                }
                                                        }
                                                }
                                        }
                                }
                        }
                }
        }
        return true;
}, enableToolbar:function () {
        if (this._toolbarContainer) {
                this._toolbarContainer.domNode.style.display = "";
                this._toolbarContainer.enable();
        }
}, disableToolbar:function (hide) {
        if (hide) {
                if (this._toolbarContainer) {
                        this._toolbarContainer.domNode.style.display = "none";
                }
        } else {
                if (this._toolbarContainer) {
                        this._toolbarContainer.disable();
                }
        }
}, _updateToolbarLastRan:null, _updateToolbarTimer:null, _updateToolbarFrequency:500, updateToolbar:function (force) {
        if (!this._toolbarContainer) {
                return;
        }
        var diff = new Date() - this._updateToolbarLastRan;
        if (!force && this._updateToolbarLastRan && (diff < this._updateToolbarFrequency)) {
                clearTimeout(this._updateToolbarTimer);
                var _this = this;
                this._updateToolbarTimer = setTimeout(function () {
                        _this.updateToolbar();
                }, this._updateToolbarFrequency / 2);
                return;
        } else {
                this._updateToolbarLastRan = new Date();
        }
        var items = this._toolbarContainer.getItems();
        for (var i = 0; i < items.length; i++) {
                var item = items[i];
                if (item instanceof dojo.widget.ToolbarSeparator) {
                        continue;
                }
                var cmd = item._name;
                if (cmd == "save" || cmd == "cancel") {
                        continue;
                } else {
                        if (cmd == "justifyGroup") {
                                try {
                                        if (!this._richText.queryCommandEnabled("justifyleft")) {
                                                item.disable(false, true);
                                        } else {
                                                item.enable(false, true);
                                                var jitems = item.getItems();
                                                for (var j = 0; j < jitems.length; j++) {
                                                        var name = jitems[j]._name;
                                                        var value = this._richText.queryCommandValue(name);
                                                        if (typeof value == "boolean" && value) {
                                                                value = name;
                                                                break;
                                                        } else {
                                                                if (typeof value == "string") {
                                                                        value = "justify" + value;
                                                                } else {
                                                                        value = null;
                                                                }
                                                        }
                                                }
                                                if (!value) {
                                                        value = "justifyleft";
                                                }
                                                item.setValue(value, false, true);
                                        }
                                }
                                catch (err) {
                                }
                        } else {
                                if (cmd == "listGroup") {
                                        var litems = item.getItems();
                                        for (var j = 0; j < litems.length; j++) {
                                                this.updateItem(litems[j]);
                                        }
                                } else {
                                        this.updateItem(item);
                                }
                        }
                }
        }
}, updateItem:function (item) {
        try {
                var cmd = item._name;
                var enabled = this._richText.queryCommandEnabled(cmd);
                item.setEnabled(enabled, false, true);
                var active = this._richText.queryCommandState(cmd);
                if (active && cmd == "underline") {
                        active = !this._richText.queryCommandEnabled("unlink");
                }
                item.setSelected(active, false, true);
                return true;
        }
        catch (err) {
                return false;
        }
}, supportedCommands:dojo.widget.Editor.supportedCommands.concat(), isSupportedCommand:function (cmd) {
        var yes = dojo.lang.inArray(cmd, this.supportedCommands);
        if (!yes) {
                try {
                        var richText = this._richText || dojo.widget.HtmlRichText.prototype;
                        yes = richText.queryCommandAvailable(cmd);
                }
                catch (E) {
                }
        }
        return yes;
}, getCommandImage:function (cmd) {
        if (cmd == "|") {
                return cmd;
        } else {
                return dojo.uri.moduleUri("dojo.widget", "templates/buttons/" + cmd + ".gif");
        }
}, _action:function (e) {
        this._fire("onAction", e.getValue());
}, _setValue:function (a, b) {
        this._fire("onAction", a.getValue(), b);
}, _save:function (e) {
        if (!this._richText.isClosed) {
                if (this.saveUrl.length) {
                        var content = {};
                        content[this.saveArgName] = this.getHtml();
                        dojo.io.bind({method:this.saveMethod, url:this.saveUrl, content:content});
                } else {
                        dojo.debug("please set a saveUrl for the editor");
                }
                if (this.closeOnSave) {
                        this._richText.close(e.getName().toLowerCase() == "save");
                }
        }
}, _close:function (e) {
        if (!this._richText.isClosed) {
                this._richText.close(e.getName().toLowerCase() == "save");
        }
}, onAction:function (cmd, value) {
        switch (cmd) {
          case "createlink":
                if (!(value = prompt("Please enter the URL of the link:", "http://"))) {
                        return;
                }
                break;
          case "insertimage":
                if (!(value = prompt("Please enter the URL of the image:", "http://"))) {
                        return;
                }
                break;
        }
        this._richText.execCommand(cmd, value);
}, fillInTemplate:function (args, frag) {
}, _fire:function (eventName) {
        if (dojo.lang.isFunction(this[eventName])) {
                var args = [];
                if (arguments.length == 1) {
                        args.push(this);
                } else {
                        for (var i = 1; i < arguments.length; i++) {
                                args.push(arguments[i]);
                        }
                }
                this[eventName].apply(this, args);
        }
}, getHtml:function () {
        this._richText.contentFilters = this._richText.contentFilters.concat(this.contentFilters);
        return this._richText.getEditorContent();
}, getEditorContent:function () {
        return this.getHtml();
}, onClose:function (save, hide) {
        this.disableToolbar(hide);
        if (save) {
                this._fire("onSave");
        } else {
                this._fire("onCancel");
        }
}, onLoad:function () {
}, onSave:function () {
}, onCancel:function () {
}});