krafthaus/bauhaus

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public/javascripts/themes/modern/theme.js

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/**
 * theme.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/*global tinymce:true */

tinymce.ThemeManager.add('modern', function(editor) {
    var self = this, settings = editor.settings, Factory = tinymce.ui.Factory, each = tinymce.each, DOM = tinymce.DOM;

    // Default menus
    var defaultMenus = {
        file: {title: 'File', items: 'newdocument'},
        edit: {title: 'Edit', items: 'undo redo | cut copy paste pastetext | selectall'},
        insert: {title: 'Insert', items: '|'},
        view: {title: 'View', items: 'visualaid |'},
        format: {title: 'Format', items: 'bold italic underline strikethrough superscript subscript | formats | removeformat'},
        table: {title: 'Table'},
        tools: {title: 'Tools'}
    };

    var defaultToolbar = "undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | " +
        "bullist numlist outdent indent | link image";

    /**
     * Creates the toolbars from config and returns a toolbar array.
     *
     * @return {Array} Array with toolbars.
     */
    function createToolbars() {
        var toolbars = [];

        function addToolbar(items) {
            var toolbarItems = [], buttonGroup;

            if (!items) {
                return;
            }

            each(items.split(/[ ,]/), function(item) {
                var itemName;

                function bindSelectorChanged() {
                    var selection = editor.selection;

                    if (itemName == "bullist") {
                        selection.selectorChanged('ul > li', function(state, args) {
                            var nodeName, i = args.parents.length;

                            while (i--) {
                                nodeName = args.parents[i].nodeName;
                                if (nodeName == "OL" || nodeName == "UL") {
                                    break;
                                }
                            }

                            item.active(state && nodeName == "UL");
                        });
                    }

                    if (itemName == "numlist") {
                        selection.selectorChanged('ol > li', function(state, args) {
                            var nodeName, i = args.parents.length;

                            while (i--) {
                                nodeName = args.parents[i].nodeName;
                                if (nodeName == "OL" || nodeName == "UL") {
                                    break;
                                }
                            }

                            item.active(state && nodeName == "OL");
                        });
                    }

                    if (item.settings.stateSelector) {
                        selection.selectorChanged(item.settings.stateSelector, function(state) {
                            item.active(state);
                        }, true);
                    }

                    if (item.settings.disabledStateSelector) {
                        selection.selectorChanged(item.settings.disabledStateSelector, function(state) {
                            item.disabled(state);
                        });
                    }
                }

                if (item == "|") {
                    buttonGroup = null;
                } else {
                    if (Factory.has(item)) {
                        item = {type: item};

                        if (settings.toolbar_items_size) {
                            item.size = settings.toolbar_items_size;
                        }

                        toolbarItems.push(item);
                        buttonGroup = null;
                    } else {
                        if (!buttonGroup) {
                            buttonGroup = {type: 'buttongroup', items: []};
                            toolbarItems.push(buttonGroup);
                        }

                        if (editor.buttons[item]) {
                            // TODO: Move control creation to some UI class
                            itemName = item;
                            item = editor.buttons[itemName];

                            if (typeof(item) == "function") {
                                item = item();
                            }

                            item.type = item.type || 'button';

                            if (settings.toolbar_items_size) {
                                item.size = settings.toolbar_items_size;
                            }

                            item = Factory.create(item);
                            buttonGroup.items.push(item);

                            if (editor.initialized) {
                                bindSelectorChanged();
                            } else {
                                editor.on('init', bindSelectorChanged);
                            }
                        }
                    }
                }
            });

            toolbars.push({type: 'toolbar', layout: 'flow', items: toolbarItems});

            return true;
        }

        // Convert toolbar array to multiple options
        if (tinymce.isArray(settings.toolbar)) {
            // Empty toolbar array is the same as a disabled toolbar
            if (settings.toolbar.length === 0) {
                return;
            }

            tinymce.each(settings.toolbar, function(toolbar, i) {
                settings["toolbar" + (i + 1)] = toolbar;
            });

            delete settings.toolbar;
        }

        // Generate toolbar<n>
        for (var i = 1; i < 10; i++) {
            if (!addToolbar(settings["toolbar" + i])) {
                break;
            }
        }

        // Generate toolbar or default toolbar unless it's disabled
        if (!toolbars.length && settings.toolbar !== false) {
            addToolbar(settings.toolbar || defaultToolbar);
        }

        if (toolbars.length) {
            return {
                type: 'panel',
                layout: 'stack',
                classes: "toolbar-grp",
                ariaRoot: true,
                ariaRemember: true,
                items: toolbars
            };
        }
    }

    /**
     * Creates the menu buttons based on config.
     *
     * @return {Array} Menu buttons array.
     */
    function createMenuButtons() {
        var name, menuButtons = [];

        function createMenuItem(name) {
            var menuItem;

            if (name == '|') {
                return {text: '|'};
            }

            menuItem = editor.menuItems[name];

            return menuItem;
        }

        function createMenu(context) {
            var menuButton, menu, menuItems, isUserDefined, removedMenuItems;

            removedMenuItems = tinymce.makeMap((settings.removed_menuitems || '').split(/[ ,]/));

            // User defined menu
            if (settings.menu) {
                menu = settings.menu[context];
                isUserDefined = true;
            } else {
                menu = defaultMenus[context];
            }

            if (menu) {
                menuButton = {text: menu.title};
                menuItems = [];

                // Default/user defined items
                each((menu.items || '').split(/[ ,]/), function(item) {
                    var menuItem = createMenuItem(item);

                    if (menuItem && !removedMenuItems[item]) {
                        menuItems.push(createMenuItem(item));
                    }
                });

                // Added though context
                if (!isUserDefined) {
                    each(editor.menuItems, function(menuItem) {
                        if (menuItem.context == context) {
                            if (menuItem.separator == 'before') {
                                menuItems.push({text: '|'});
                            }

                            if (menuItem.prependToContext) {
                                menuItems.unshift(menuItem);
                            } else {
                                menuItems.push(menuItem);
                            }

                            if (menuItem.separator == 'after') {
                                menuItems.push({text: '|'});
                            }
                        }
                    });
                }

                for (var i = 0; i < menuItems.length; i++) {
                    if (menuItems[i].text == '|') {
                        if (i === 0 || i == menuItems.length - 1) {
                            menuItems.splice(i, 1);
                        }
                    }
                }

                menuButton.menu = menuItems;

                if (!menuButton.menu.length) {
                    return null;
                }
            }

            return menuButton;
        }

        var defaultMenuBar = [];
        if (settings.menu) {
            for (name in settings.menu) {
                defaultMenuBar.push(name);
            }
        } else {
            for (name in defaultMenus) {
                defaultMenuBar.push(name);
            }
        }

        var enabledMenuNames = typeof(settings.menubar) == "string" ? settings.menubar.split(/[ ,]/) : defaultMenuBar;
        for (var i = 0; i < enabledMenuNames.length; i++) {
            var menu = enabledMenuNames[i];
            menu = createMenu(menu);

            if (menu) {
                menuButtons.push(menu);
            }
        }

        return menuButtons;
    }

    /**
     * Adds accessibility shortcut keys to panel.
     *
     * @param {tinymce.ui.Panel} panel Panel to add focus to.
     */
    function addAccessibilityKeys(panel) {
        function focus(type) {
            var item = panel.find(type)[0];

            if (item) {
                item.focus(true);
            }
        }

        editor.shortcuts.add('Alt+F9', '', function() {
            focus('menubar');
        });

        editor.shortcuts.add('Alt+F10', '', function() {
            focus('toolbar');
        });

        editor.shortcuts.add('Alt+F11', '', function() {
            focus('elementpath');
        });

        panel.on('cancel', function() {
            editor.focus();
        });
    }

    /**
     * Resizes the editor to the specified width, height.
     */
    function resizeTo(width, height) {
        var containerElm, iframeElm, containerSize, iframeSize;

        function getSize(elm) {
            return {
                width: elm.clientWidth,
                height: elm.clientHeight
            };
        }

        containerElm = editor.getContainer();
        iframeElm = editor.getContentAreaContainer().firstChild;
        containerSize = getSize(containerElm);
        iframeSize = getSize(iframeElm);

        if (width !== null) {
            width = Math.max(settings.min_width || 100, width);
            width = Math.min(settings.max_width || 0xFFFF, width);

            DOM.setStyle(containerElm, 'width', width + (containerSize.width - iframeSize.width));
            DOM.setStyle(iframeElm, 'width', width);
        }

        height = Math.max(settings.min_height || 100, height);
        height = Math.min(settings.max_height || 0xFFFF, height);
        DOM.setStyle(iframeElm, 'height', height);

        editor.fire('ResizeEditor');
    }

    function resizeBy(dw, dh) {
        var elm = editor.getContentAreaContainer();
        self.resizeTo(elm.clientWidth + dw, elm.clientHeight + dh);
    }

    /**
     * Renders the inline editor UI.
     *
     * @return {Object} Name/value object with theme data.
     */
    function renderInlineUI(args) {
        var panel, inlineToolbarContainer;

        if (settings.fixed_toolbar_container) {
            inlineToolbarContainer = DOM.select(settings.fixed_toolbar_container)[0];
        }

        function reposition() {
            if (panel && panel.moveRel && panel.visible() && !panel._fixed) {
                // TODO: This is kind of ugly and doesn't handle multiple scrollable elements
                var scrollContainer = editor.selection.getScrollContainer(), body = editor.getBody();
                var deltaX = 0, deltaY = 0;

                if (scrollContainer) {
                    var bodyPos = DOM.getPos(body), scrollContainerPos = DOM.getPos(scrollContainer);

                    deltaX = Math.max(0, scrollContainerPos.x - bodyPos.x);
                    deltaY = Math.max(0, scrollContainerPos.y - bodyPos.y);
                }

                panel.fixed(false).moveRel(body, editor.rtl ? ['tr-br', 'br-tr'] : ['tl-bl', 'bl-tl', 'tr-br']).moveBy(deltaX, deltaY);
            }
        }

        function show() {
            if (panel) {
                panel.show();
                reposition();
                DOM.addClass(editor.getBody(), 'mce-edit-focus');
            }
        }

        function hide() {
            if (panel) {
                panel.hide();
                DOM.removeClass(editor.getBody(), 'mce-edit-focus');
            }
        }

        function render() {
            if (panel) {
                if (!panel.visible()) {
                    show();
                }

                return;
            }

            // Render a plain panel inside the inlineToolbarContainer if it's defined
            panel = self.panel = Factory.create({
                type: inlineToolbarContainer ? 'panel' : 'floatpanel',
                role: 'application',
                classes: 'tinymce tinymce-inline',
                layout: 'flex',
                direction: 'column',
                align: 'stretch',
                autohide: false,
                autofix: true,
                fixed: !!inlineToolbarContainer,
                border: 1,
                items: [
                    settings.menubar === false ? null : {type: 'menubar', border: '0 0 1 0', items: createMenuButtons()},
                    createToolbars()
                ]
            });

            // Add statusbar
            /*if (settings.statusbar !== false) {
                panel.add({type: 'panel', classes: 'statusbar', layout: 'flow', border: '1 0 0 0', items: [
                    {type: 'elementpath'}
                ]});
            }*/

            editor.fire('BeforeRenderUI');
            panel.renderTo(inlineToolbarContainer || document.body).reflow();

            addAccessibilityKeys(panel);
            show();

            editor.on('nodeChange', reposition);
            editor.on('activate', show);
            editor.on('deactivate', hide);

            editor.nodeChanged();
        }

        settings.content_editable = true;

        editor.on('focus', function() {
            // Render only when the CSS file has been loaded
            if (args.skinUiCss) {
                tinymce.DOM.styleSheetLoader.load(args.skinUiCss, render, render);
            } else {
                render();
            }
        });

        editor.on('blur hide', hide);

        // Remove the panel when the editor is removed
        editor.on('remove', function() {
            if (panel) {
                panel.remove();
                panel = null;
            }
        });

        // Preload skin css
        if (args.skinUiCss) {
            tinymce.DOM.styleSheetLoader.load(args.skinUiCss);
        }

        return {};
    }

    /**
     * Renders the iframe editor UI.
     *
     * @param {Object} args Details about target element etc.
     * @return {Object} Name/value object with theme data.
     */
    function renderIframeUI(args) {
        var panel, resizeHandleCtrl, startSize;

        if (args.skinUiCss) {
            tinymce.DOM.loadCSS(args.skinUiCss);
        }

        // Basic UI layout
        panel = self.panel = Factory.create({
            type: 'panel',
            role: 'application',
            classes: 'tinymce',
            style: 'visibility: hidden',
            layout: 'stack',
            border: 1,
            items: [
                settings.menubar === false ? null : {type: 'menubar', border: '0 0 1 0', items: createMenuButtons()},
                createToolbars(),
                {type: 'panel', name: 'iframe', layout: 'stack', classes: 'edit-area', html: '', border: '1 0 0 0'}
            ]
        });

        if (settings.resize !== false) {
            resizeHandleCtrl = {
                type: 'resizehandle',
                direction: settings.resize,

                onResizeStart: function() {
                    var elm = editor.getContentAreaContainer().firstChild;

                    startSize = {
                        width: elm.clientWidth,
                        height: elm.clientHeight
                    };
                },

                onResize: function(e) {
                    if (settings.resize == 'both') {
                        resizeTo(startSize.width + e.deltaX, startSize.height + e.deltaY);
                    } else {
                        resizeTo(null, startSize.height + e.deltaY);
                    }
                }
            };
        }

        // Add statusbar if needed
        if (settings.statusbar !== false) {
            panel.add({type: 'panel', name: 'statusbar', classes: 'statusbar', layout: 'flow', border: '1 0 0 0', ariaRoot: true, items: [
                {type: 'elementpath'},
                resizeHandleCtrl
            ]});
        }

        if (settings.readonly) {
            panel.find('*').disabled(true);
        }

        editor.fire('BeforeRenderUI');
        panel.renderBefore(args.targetNode).reflow();

        if (settings.width) {
            tinymce.DOM.setStyle(panel.getEl(), 'width', settings.width);
        }

        // Remove the panel when the editor is removed
        editor.on('remove', function() {
            panel.remove();
            panel = null;
        });

        // Add accesibility shortkuts
        addAccessibilityKeys(panel);

        return {
            iframeContainer: panel.find('#iframe')[0].getEl(),
            editorContainer: panel.getEl()
        };
    }

    /**
     * Renders the UI for the theme. This gets called by the editor.
     *
     * @param {Object} args Details about target element etc.
     * @return {Object} Theme UI data items.
     */
    self.renderUI = function(args) {
        var skin = settings.skin !== false ? settings.skin || 'lightgray' : false;

        if (skin) {
            var skinUrl = settings.skin_url;

            if (skinUrl) {
                skinUrl = editor.documentBaseURI.toAbsolute(skinUrl);
            } else {
                skinUrl = tinymce.baseURL + '/skins/' + skin;
            }

            // Load special skin for IE7
            // TODO: Remove this when we drop IE7 support
            if (tinymce.Env.documentMode <= 7) {
                args.skinUiCss = skinUrl + '/skin.ie7.min.css';
            } else {
                args.skinUiCss = skinUrl + '/skin.min.css';
            }

            // Load content.min.css or content.inline.min.css
            editor.contentCSS.push(skinUrl + '/content' + (editor.inline ? '.inline' : '') + '.min.css');
        }

        // Handle editor setProgressState change
        editor.on('ProgressState', function(e) {
            self.throbber = self.throbber || new tinymce.ui.Throbber(self.panel.getEl('body'));

            if (e.state) {
                self.throbber.show(e.time);
            } else {
                self.throbber.hide();
            }
        });

        if (settings.inline) {
            return renderInlineUI(args);
        }

        return renderIframeUI(args);
    };

    self.resizeTo = resizeTo;
    self.resizeBy = resizeBy;
});