/* WysiwygFileLibrary object to handle file management with SchoolSuite File Library instead of CuteEditor image and file manager. */
var WysiwygFileLibrary = {
    editor: null,
    provider: null,
    iframe: null,
    container: null,
    files: [],
    imageSizes: ["tn-", "sm-", "", "lg-", "xlg-"],
    blockSizes: ["block1", "block2", "block3", "block4", "block5"],
    imageControls: '<div class="CEImageControls"><input type="image" src="/_infrastructure/Images/Icons/16x16/arrow_left.png" alt="Left" /><input type="image" src="/_infrastructure/Images/Icons/16x16/arrow_right.png" alt="Right" /><input type="image" src="/_infrastructure/Images/Icons/16x16/zoom_out.png" alt="Decrease" /><input type="image" src="/_infrastructure/Images/Icons/16x16/zoom_in.png" alt="Increase" /><input type="image" src="/_infrastructure/Images/Icons/16x16/layout_delete.png" alt="ImageOnly" /></div>',
    isDirty: false,
    fileLibrary: null,

    GetImageSize: function (src) {
        if (src && src.length > 0) {
            var lastSlash = src.lastIndexOf("/") + 1;
            var file = src.substring(lastSlash, src.length);
            var filePos = lastSlash;
            var currentSize = -1;
            var blankPrefix = -1;

            for (var i = 0; i < this.imageSizes.length; i++) {
                var prefixLength = this.imageSizes[i].length;

                if (prefixLength !== 0 && this.imageSizes[i] === file.substring(0, prefixLength)) {
                    currentSize = i;
                    filePos = lastSlash + prefixLength;
                } else if (prefixLength === 0) {
                    blankPrefix = i;
                }
            }

            if (currentSize === -1 && file.substring(0, 3) === "tn-") {
                currentSize = 0;
                filePos = lastSlash + 3;
            }
            else if (currentSize === -1 && blankPrefix !== -1) {
                currentSize = blankPrefix;
            }

            return {
                "size": currentSize,
                "slash": lastSlash,
                "file": filePos
            };
        }
    }, /* GetImageSize */

    ImageControlDoAction: function (cmd) {
        var $this = $(cmd);
        var $container = $this.closest(".image");
        var $image = $this.parent().siblings("img");
        var imageSrc = $image.attr("src");
        var thumb;
        var action = $this.attr("alt");

        switch (action.toLowerCase()) {
            case "left":
                if ($container.hasClass("right")) {
                    $container.removeClass("right");
                }
                else if ($container.hasClass("left")) {
                }
                else {
                    $container.addClass("left");
                }
                break;
            case "right":
                if ($container.hasClass("left")) {
                    $container.removeClass("left");
                }
                else if ($container.hasClass("right")) {
                }
                else {
                    $container.addClass("right");
                }
                break;
            case "increase":
                thumb = this.GetImageSize(imageSrc);
                if (thumb && thumb.size + 1 < this.imageSizes.length) {
                    imageSrc = imageSrc.substring(0, thumb.slash) + this.imageSizes[thumb.size + 1] + imageSrc.substring(thumb.file, imageSrc.length);
                    $image.attr("src", imageSrc);
                    if (this.provider === "CKEditor") {
                        $image.attr("data-cke-saved-src", imageSrc);
                    }
                    else if (this.provider === "CuteEditor") {
                        $image.attr("src_cetemp", imageSrc);
                    }
                    $container.attr("class", $container.attr("class").replace(/block\d{1,}/, "")).addClass(this.blockSizes[thumb.size + 1]);
                }
                break;
            case "decrease":
                thumb = this.GetImageSize(imageSrc);
                if (thumb && thumb.size - 1 >= 0) {
                    imageSrc = imageSrc.substring(0, thumb.slash) + this.imageSizes[thumb.size - 1] + imageSrc.substring(thumb.file, imageSrc.length);
                    $image.attr("src", imageSrc);
                    if (this.provider === "CKEditor") {
                        $image.attr("data-cke-saved-src", imageSrc);
                    }
                    else if (this.provider === "CuteEditor") {
                        $image.attr("src_cetemp", imageSrc);
                    }
                    $container.attr("class", $container.attr("class").replace(/block\d{1,}/, "")).addClass(this.blockSizes[thumb.size - 1]);
                }
                break;
            case "imageonly":
                $container.after($image);
                $image.attr("id", $container.attr("id"));

                if ($container.hasClass("right")) {
                    $image.addClass("right");
                }
                else if ($container.hasClass("left")) {
                    $image.addClass("left");
                }

                $container.remove();
                WysiwygFileLibrary.isDirty = true;
                break;
        }

        return false;
    }, /* ImageControlDoAction */

    GetFileIdsString: function () {
        if (this.files && this.files.length > 0) {
            var fileId;
            var fileIds = [];

            for (fileId in this.files) {
                if (this.files[fileId].isInserted) {
                    fileIds.push(fileId);
                }
            }

            if (fileIds.length > 0) {
                return fileIds.join(",");
            }
        }
        return "";
    }, /* GetFileIdsString */

    /* for IE; deep copies the file objects so they exist after popup window is closed. */
    UpdateFiles: function () {
        var files = [];
        var id;

        for (id in this.files) {
            files[id] = $.extend(true, {}, this.files[id]); //deep copying
        }

        this.files = files;
    }, /* UpdateFiles */

    BindImageControls: function () {
        if (this.iframe) {
            // find all image controls
            this.iframe.contents().find("div.CEImageControls").each(function () {
                if (WysiwygFileLibrary.isDirty) WysiwygFileLibrary.CleanjQueryAttributes(this);

                // bind click event for buttons
                $(this).removeClass("hide").find("input").unbind().each(function () {
                    if (WysiwygFileLibrary.isDirty) WysiwygFileLibrary.CleanjQueryAttributes(this);
                }).click(function () {
                    return WysiwygFileLibrary.ImageControlDoAction(this);
                }).mouseover(function () {
                    $(this).focus();
                });
            }).parent().each(function () { // handle hover
                if (WysiwygFileLibrary.isDirty) WysiwygFileLibrary.CleanjQueryAttributes(this);
            }).mouseover(function () {
                $(this).find("div.CEImageControls").show();
            })
            .mouseout(function () {
                $(this).find("div.CEImageControls").hide();
            });

            WysiwygFileLibrary.isDirty = false;
        }
    }, /* BindImageControls */

    CleanjQueryAttributes: function (dom) {
        for (prop in dom) {
            if (prop && prop.match(/^jquery/i)) {
                $(dom).removeAttr(prop);
            }
        }
    }, /* CleanjQueryAttributes */

    SetImageSize: function (size, $container) {
        var $image = $container.find("img:first");
        var imageSrc = $image.attr("src");
        var thumb;
        var newThumbSize = 0;

        for (var i = 0; i < this.imageSizes.length; i++) {
            if (this.imageSizes[i] == size) {
                newThumbSize = i;
            }
        }

        thumb = this.GetImageSize(imageSrc);
        if (thumb) {
            thumb.size = (thumb.size === -1) ? 0 : thumb.size;

            imageSrc = imageSrc.substring(0, thumb.slash) + this.imageSizes[newThumbSize] + imageSrc.substring(thumb.file, imageSrc.length);
            $image.attr("src", imageSrc);
            $container.attr("class", $container.attr("class").replace(/block\d{1,}/, "")).addClass(this.blockSizes[newThumbSize]);
        }

        return true;
    }, /* SetImageSize */

    FileLibrary: function (elem, center, w, h, opt) {
        var src = elem.href;
        var wnm = (elem.target == '') ? 'FL_SchoolSuite' : ((elem.target.indexOf('_') == 0) ? 'FL' + elem.target : elem.target);
        var opt = (opt == '') ? ',scrollbars=yes,resizable=yes' : ((opt.indexOf(',') != 0) ? ',' + opt : opt);
        var ctr = (center) ? ',left=' + ((screen.availWidth - w) / 2) + ',top=' + ((screen.availHeight - h) / 2) : '';
        // A window has already been opened
        if (WysiwygFileLibrary.fileLibrary !== null &&
            !WysiwygFileLibrary.fileLibrary.closed &&
            WysiwygFileLibrary.fileLibrary.name == wnm &&
            WysiwygFileLibrary.fileLibrary.location) {
            WysiwygFileLibrary.fileLibrary.location = src;
        }
        else {
            WysiwygFileLibrary.fileLibrary = window.open(src, wnm, 'width=' + w + ',height=' + h + ctr + opt);
            if (!WysiwygFileLibrary.fileLibrary.opener) WysiwygFileLibrary.fileLibrary.opener = self;
        }

        if (window.focus) WysiwygFileLibrary.fileLibrary.focus();
        return false;
    }, /* FileLibrary */

    CommandHandler: function (editor, command, ui, value) {
        //handle the command by yourself
        if (command == "SchoolSuiteFileLibrary") {
            if (WysiwygFileLibrary.editor === null) {
                WysiwygFileLibrary.Init(editor);
            }

            var link = { href: "/schoolsuite/FileLibrary.aspx?source=contentEditor", target: "WysiwygFileLibrary" };
            var fileIds = WysiwygFileLibrary.GetFileIdsString();
            if (fileIds.length > 0) {
                link.href += "&FileID=" + fileIds;
            }

            if (WysiwygFileLibrary.fileLibrary != null &&
                   !WysiwygFileLibrary.fileLibrary.closed &&
                   WysiwygFileLibrary.fileLibrary.name == link.target &&
                   WysiwygFileLibrary.fileLibrary.location) {
                WysiwygFileLibrary.fileLibrary.focus();
            }
            else {
                WysiwygFileLibrary.FileLibrary(link, true, 600, 580, 'resizable=yes,scrollbars=yes,status=yes');
            }

            return true;
        }
        else if (command == "PostBack") {
            if (WysiwygFileLibrary.iframe) {
                WysiwygFileLibrary.iframe.contents().find("dl").each(function () {
                    var className = $(this).attr("class");

                    if (className) {
                        className = className.replace(/ {2,}/g, ' ');
                        $(this).attr("class", className);
                    }

                    $(this).find("dt").each(function () {
                        WysiwygFileLibrary.CleanjQueryAttributes(this);

                        $(this).find("div.CEImageControls").remove();
                    });
                });
            }
            if (WysiwygFileLibrary.fileLibrary && WysiwygFileLibrary.fileLibrary.close) {
                WysiwygFileLibrary.fileLibrary.close();
            }

            WysiwygFileLibrary.editor = null;
            WysiwygFileLibrary.iframe = null;
            WysiwygFileLibrary.container = null;
            WysiwygFileLibrary.files = [];
        }
        else if (command == "TabCode") {
            WysiwygFileLibrary.iframe.contents().find("div.CEImageControls").remove();
        }
        else if (command == "TabEdit" || command == "Redo" || command == "Undo") {
            setTimeout(function () {
                if (WysiwygFileLibrary.iframe.get(0)) {
                    if (command == "TabEdit") {
                        WysiwygFileLibrary.iframe.contents().find("[id|=CEInsert] img").after(WysiwygFileLibrary.imageControls);
                    }
                    WysiwygFileLibrary.BindImageControls();
                }
            }, 1000);
        }
        else if (command == "TabView") {
            WysiwygFileLibrary.iframe.contents().find("div.CEImageControls").remove();
        }
    }, /* CommandHandler */

    Init: null
    /* Init */

};

/* Required by the Microsoft Ajax Framework:*/
if ((typeof Sys !== "undefined") && (typeof Sys.Application !== "undefined")) {
    Sys.Application.notifyScriptLoaded();
}