/*
Copyright 2012, KISSY UI Library v1.30rc
MIT Licensed
build time: Jul 11 21:28
*/
/**
 *  BaseClass for Flash Based plugin.
 *  @author yiminghe@gmail.com
 */
KISSY.add("editor/plugin/flashCommon/baseClass", function (S, Editor, ContextMenu, Bubble, DialogLoader, flashUtils) {

    var Node = S.Node;

    /**
     * 写成类的形式而不是一个简单的button命令配置，为了可以override
     * 所有基于 flash 的插件基类，使用 template 模式抽象
     */
    function Flash() {
        Flash.superclass.constructor.apply(this, arguments);
        this._init();
    }

    var tipHtml = ' <a ' +
        'class="ks-editor-bubble-url" ' +
        'target="_blank" ' +
        'href="#">{label}</a>   |   '
        + ' <span class="ks-editor-bubble-link ks-editor-bubble-change">编辑</span>   |   '
        + ' <span class="ks-editor-bubble-link ks-editor-bubble-remove">删除</span>';

    Flash.ATTRS = {
        cls:{},
        type:{},
        label:{
            value:"在新窗口查看"
        },
        bubbleId:{},
        contextMenuId:{},
        contextMenuHandlers:{}
    };

    S.extend(Flash, S.Base, {
        _init:function () {
            var self = this,
                cls = self.get("cls"),
                editor = self.get("editor"),
                children = [],
                bubbleId = self.get("bubbleId"),
                contextMenuId = self.get("contextMenuId"),
                contextMenuHandlers = self.get("contextMenuHandlers");

            S.each(contextMenuHandlers, function (h, content) {
                children.push({
                    content:content
                })
            });

            editor.addContextMenu(contextMenuId, "." + cls, {
                width:"120px",
                children:children,
                listeners:{
                    click:function (e) {
                        var content = e.target.get("content");
                        if (contextMenuHandlers[content]) {
                            contextMenuHandlers[content].call(this);
                        }
                    }
                }
            });

            editor.addBubble(bubbleId, function (el) {
                return el.hasClass(cls, undefined) && el;
            }, {
                listeners:{
                    afterRenderUI:// 注册泡泡，selectionChange时检测
                        function () {
                            var bubble = this,
                                el = bubble.get("contentEl");
                            el.html(S.substitute(tipHtml, {
                                label:self.get("label")
                            }));
                            var tipUrlEl = el.one(".ks-editor-bubble-url"),
                                tipChangeEl = el.one(".ks-editor-bubble-change"),
                                tipRemoveEl = el.one(".ks-editor-bubble-remove");

                            // ie focus not lose
                            Editor.Utils.preventFocus(el);

                            tipChangeEl.on("click", function (ev) {
                                // 回调show，传入选中元素
                                self.show(bubble.get("editorSelectedEl"));
                                ev.halt();
                            });

                            tipRemoveEl.on("click", function (ev) {
                                // chrome remove 后会没有焦点
                                if (S.UA['webkit']) {
                                    var r = editor.getSelection().getRanges(),
                                        r0 = r && r[0];
                                    if (r0) {
                                        r0.collapse(true);
                                        r0.select();
                                    }
                                }
                                bubble.get("editorSelectedEl").remove();
                                bubble.hide();
                                editor.notifySelectionChange();
                                ev.halt();
                            });

                            /*
                             位置变化，在显示前就设置内容，防止ie6 iframe遮罩不能正确大小
                             */
                            bubble.on("show", function () {
                                var a = bubble.get("editorSelectedEl");
                                if (a) {
                                    self._updateTip(tipUrlEl, a);
                                }
                            });
                        }
                }
            })


            editor.docReady(function () {
                //注册双击，双击时检测
                editor.get("document").on("dblclick", self._dbClick, self);
            });
        },

        /**
         * 子类覆盖，如何从flash url得到合适的应用表示地址
         * @override
         * @param r flash 元素
         */
        _getFlashUrl:function (r) {
            return flashUtils.getUrl(r);
        },
        /**
         * 更新泡泡弹出的界面，子类覆盖
         * @override
         * @param tipUrlElEl
         * @param selectedFlash
         */
        _updateTip:function (tipUrlElEl, selectedFlash) {
            var self = this,
                editor = self.get("editor"),
                r = editor.restoreRealElement(selectedFlash);
            if (!r) {
                return;
            }
            var url = self._getFlashUrl(r);
            tipUrlElEl.attr("href", url);
        },

        //根据图片标志触发本插件应用
        _dbClick:function (ev) {
            var self = this,
                t = new Node(ev.target);
            if (t.nodeName() === "img" && t.hasClass(self.get("cls"), undefined)) {
                self.show(t);
                ev.halt();
            }
        },

        show:function (selectedEl) {
            var self = this,
                editor = self.get("editor");
            DialogLoader.useDialog(editor, self.get("type"),
                self.get("pluginConfig"),
                selectedEl);
        }
    });

    return Flash;

}, {
    requires:['editor', '../contextmenu/', '../bubble/', '../dialogLoader/', './utils']
});
