/** * EGroupware eTemplate2 - JS DOM Widget class * * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @package etemplate * @subpackage api * @link https://www.egroupware.org * @author Andreas Stöckel */ /*egw:uses et2_core_interfaces; et2_core_widget; /api/js/egw_action/egw_action.js; */ import { ClassWithAttributes } from './et2_core_inheritance'; import { et2_IDOMNode } from "./et2_core_interfaces"; import { et2_hasChild, et2_no_init } from "./et2_core_common"; import { et2_widget } from "./et2_core_widget"; import '../egw_action/egw_action.js'; import { egw } from "../jsapi/egw_global"; /** * Abstract widget class which can be inserted into the DOM. All widget classes * deriving from this class have to care about implementing the "getDOMNode" * function which has to return the DOM-Node. * * @augments et2_widget */ export class et2_DOMWidget extends et2_widget { /** * When the DOMWidget is initialized, it grabs the DOM-Node of the parent * object (if available) and passes it to its own "createDOMNode" function * * @memberOf et2_DOMWidget */ constructor(_parent, _attrs, _child) { // Call the inherited constructor super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_DOMWidget._attributes, _child || {})); this.parentNode = null; this.disabled = false; this._attachSet = { "node": null, "parent": null }; this._surroundingsMgr = null; } /** * Detatches the node from the DOM and clears all references to the parent * node or the dom node of this widget. */ destroy() { this.detachFromDOM(); this.parentNode = null; this._attachSet = {}; if (this._actionManager) { var app_om = egw_getObjectManager(this.egw().getAppName(), false, 1); if (app_om) { var om = app_om.getObjectById(this.id); if (om) om.remove(); } this._actionManager.remove(); this._actionManager = null; } if (this._surroundingsMgr) { this._surroundingsMgr.destroy(); this._surroundingsMgr = null; } super.destroy(); } /** * Attaches the container node of this widget to the DOM-Tree */ doLoadingFinished() { // Check whether the parent implements the et2_IDOMNode interface. If // yes, grab the DOM node and create our own. if (this.getParent() && this.getParent().implements(et2_IDOMNode)) { if (this.options.parent_node) { this.set_parent_node(this.options.parent_node); } else { this.setParentDOMNode(this.getParent().getDOMNode(this)); } } return true; } /** * Detaches the widget from the DOM tree, if it had been attached to the * DOM-Tree using the attachToDOM method. */ detachFromDOM() { if (this._attachSet && this._attachSet.node && this._attachSet.parent) { // Remove the current node from the parent node try { this._attachSet.parent.removeChild(this._attachSet.node); } catch (e) { // Don't throw a DOM error if the node wasn't in the parent } // Reset the "attachSet" this._attachSet = { "node": null, "parent": null }; return true; } return false; } /** * Attaches the widget to the DOM tree. Fails if the widget is already * attached to the tree or no parent node or no node for this widget is * defined. */ attachToDOM() { // Attach the DOM node of this widget (if existing) to the new parent var node = this.getDOMNode(this); if (node && this.parentNode && (!this._attachSet || this._attachSet && node != this._attachSet.node || this.parentNode != this._attachSet.parent)) { // If the surroundings manager exists, surround the DOM-Node of this // widget with the DOM-Nodes inside the surroundings manager. if (this._surroundingsMgr) { node = this._surroundingsMgr.getDOMNode(node); } // Append this node at its index var idx = this.getDOMIndex(); if (idx < 0 || idx >= this.parentNode.childNodes.length - 1) { this.parentNode.appendChild(node); } else { this.parentNode.insertBefore(node, this.parentNode.childNodes[idx]); } // Store the currently attached nodes this._attachSet = { "node": node, "parent": this.parentNode }; return true; } return false; } /** * Inserts a child at the given index. * * @param _node is the node which should be added. It has to be an instance * of et2_widget * @param _idx is the position at which the element should be added. */ insertChild(_node, _idx) { super.insertChild(_node, _idx); if (_node.instanceOf(et2_DOMWidget) && typeof _node.hasOwnProperty('parentNode') && this.getDOMNode(this)) { try { _node.setParentDOMNode(this.getDOMNode(_node)); } catch (_a) { // Not ready to be added, usually due to construction order, // will probably try again in doLoadingFinished() } } } isAttached() { return this.parentNode != null; } getSurroundings() { if (!this._surroundingsMgr) { this._surroundingsMgr = new et2_surroundingsMgr(this); } return this._surroundingsMgr; } /** * Get data for the tab this widget is on. * * Will return null if the widget is not on a tab or tab data containing * - id * - label * - widget (top level widget) * - contentDiv (jQuery object for the div the tab content is in) * * @returns {Object|null} Data for tab the widget is on */ get_tab_info() { var parent = this; do { parent = parent.getParent(); } while (parent !== this.getRoot() && parent.getType() !== 'tabbox'); // No tab if (parent === this.getRoot()) { return null; } let tabbox = parent; // Find the tab index for (var i = 0; i < tabbox.tabData.length; i++) { // Find the tab by DOM heritage // @ts-ignore if (tabbox.tabData[i].contentDiv.has(this.div).length) { return tabbox.tabData[i]; } } // On a tab, but we couldn't find it by DOM nodes Maybe tab template is // not loaded yet. Try checking IDs. var template = this; do { template = template.getParent(); // @ts-ignore } while (template !== tabbox && template.getType() !== 'template'); for (var i = tabbox.tabData.length - 1; i >= 0; i--) { if (template && template.id && template.id === tabbox.tabData[i].id) { return tabbox.tabData[i]; } } // Fallback let fallback = this.getParent(); if (typeof fallback.get_tab_info === 'function') { return fallback.get_tab_info(); } return null; } /** * Set the parent DOM node of this element. Takes a wider variety of types * than setParentDOMNode(), and matches the set_ naming convention. * * @param _node String|DOMNode DOM node to contain the widget, or the ID of the DOM node. */ set_parent_node(_node) { if (typeof _node == "string") { var parent = jQuery('#' + _node); if (parent.length === 0 && window.parent) { // Could not find it, try again with wider context // (in case there's an iframe in admin, for example) parent = jQuery('#' + _node, window.parent.document); } if (parent.length === 0) { this.egw().debug('warn', 'Unable to find DOM parent node with ID "%s" for widget %o.', _node, this); } else { this.setParentDOMNode(parent.get(0)); } } else { this.setParentDOMNode(_node); } } /** * Set the parent DOM node of this element. If another parent node is already * set, this widget removes itself from the DOM tree * * @param _node */ setParentDOMNode(_node) { if (_node != this.parentNode) { // Detatch this element from the DOM tree this.detachFromDOM(); this.parentNode = _node; // And attatch the element to the DOM tree this.attachToDOM(); } } /** * Returns the parent node. */ getParentDOMNode() { return this.parentNode; } /** * Returns the index of this element in the DOM tree */ getDOMIndex() { if (this.getParent()) { var idx = 0; var children = this.getParent().getChildren(); if (children && children.indexOf) return children.indexOf(this); egw.debug('warn', 'No Array.indexOf(), falling back to looping. '); for (var i = 0; i < children.length; i++) { if (children[i] == this) { return idx; } else if (children[i].isInTree()) { idx++; } } } return -1; } /** * Sets the id of the DOM-Node. * * DOM id's have dots "." replaced with dashes "-" * * @param {string} _value id to set */ set_id(_value) { this.id = _value; this.dom_id = _value ? this.getInstanceManager().uniqueId + '_' + _value.replace(/\./g, '-') : _value; var node = this.getDOMNode(this); if (node) { if (_value != "") { node.setAttribute("id", this.dom_id); } else { node.removeAttribute("id"); } } } set_disabled(_value) { var node = this._surroundingsMgr != null ? this._surroundingsMgr.getDOMNode(this.getDOMNode(this)) : this.getDOMNode(this); if (node && this.disabled != _value) { this.disabled = _value; if (_value) { jQuery(node).hide(); } else { jQuery(node).show(); } } } set_width(_value) { this.width = _value; var node = this.getDOMNode(this); if (node) { jQuery(node).css("width", _value); } } set_height(_value) { this.height = _value; var node = this.getDOMNode(this); if (node) { jQuery(node).css("height", _value); } } set_class(_value) { var node = this.getDOMNode(this); if (node) { if (this["class"]) { jQuery(node).removeClass(this["class"]); } jQuery(node).addClass(_value); } this["class"] = _value; } set_overflow(_value) { this.overflow = _value; var node = this.getDOMNode(this); if (node) { jQuery(node).css("overflow", _value); } } set_data(_value) { var node = this.getDOMNode(this); if (node && _value) { var pairs = _value.split(/,/g); for (var i = 0; i < pairs.length; ++i) { var name_value = pairs[i].split(':'); jQuery(node).attr('data-' + name_value[0], name_value[1]); } } } set_background(_value) { var node = this.getDOMNode(this); var values = ''; if (_value && node) { values = _value.split(','); jQuery(node).css({ "background-image": 'url("' + values[0] + '")', "background-position-x": values[1], "background-position-y": values[2], "background-scale": values[3] }); } } /** * Set Actions on the widget * * Each action is defined as an object: * * move: { * type: "drop", * acceptedTypes: "mail", * icon: "move", * caption: "Move to" * onExecute: javascript:mail_move" * } * * This will turn the widget into a drop target for "mail" drag types. When "mail" drag types are dropped, * the global function mail_move(egwAction action, egwActionObject sender) will be called. The ID of the * dragged "mail" will be in sender.id, some information about the sender will be in sender.context. The * etemplate2 widget involved can typically be found in action.parent.data.widget, so your handler * can operate in the widget context easily. The location varies depending on your action though. It * might be action.parent.parent.data.widget * * To customise how the actions are handled for a particular widget, override _link_actions(). It handles * the more widget-specific parts. * * @param {object} actions {ID: {attributes..}+} map of egw action information * @see api/src/Etemplate/Widget/Nextmatch.php egw_actions() method */ set_actions(actions) { if (this.id == "" || typeof this.id == "undefined") { this.egw().debug("warn", "Widget should have an ID if you want actions", this); return; } // Initialize the action manager and add some actions to it // Only look 1 level deep var gam = window.egw_getActionManager(this.egw().appName, true, 1); if (typeof this._actionManager != "object") { if (gam.getActionById(this.getInstanceManager().uniqueId, 1) !== null) { gam = gam.getActionById(this.getInstanceManager().uniqueId, 1); } if (gam.getActionById(this.id, 1) != null) { this._actionManager = gam.getActionById(this.id, 1); } else { this._actionManager = gam.addAction("actionManager", this.id); } } this._actionManager.updateActions(actions, this.egw().appName); if (this.options.default_execute) this._actionManager.setDefaultExecute(this.options.default_execute); // Put a reference to the widget into the action stuff, so we can // easily get back to widget context from the action handler this._actionManager.data = { widget: this }; // Link the actions to the DOM this._link_actions(actions); } set_default_execute(_default_execute) { this.options.default_execute = _default_execute; if (this._actionManager) this._actionManager.setDefaultExecute(null, _default_execute); } /** * Get all action-links / id's of 1.-level actions from a given action object * * This can be overwritten to not allow all actions, by not returning them here. * * @param actions * @returns {Array} */ _get_action_links(actions) { var action_links = []; for (var i in actions) { var action = actions[i]; action_links.push(typeof action.id != 'undefined' ? action.id : i); } return action_links; } /** * Link the actions to the DOM nodes / widget bits. * * @param {object} actions {ID: {attributes..}+} map of egw action information */ _link_actions(actions) { // Get the top level element for the tree var objectManager = egw_getAppObjectManager(true); var widget_object = objectManager.getObjectById(this.id); if (widget_object == null) { // Add a new container to the object manager which will hold the widget // objects widget_object = objectManager.insertObject(false, new egwActionObject(this.id, objectManager, (new et2_action_object_impl(this)).getAOI(), this._actionManager || objectManager.manager.getActionById(this.id) || objectManager.manager)); } else { widget_object.setAOI((new et2_action_object_impl(this, this.getDOMNode())).getAOI()); } // Delete all old objects widget_object.clear(); widget_object.unregisterActions(); // Go over the widget & add links - this is where we decide which actions are // 'allowed' for this widget at this time var action_links = this._get_action_links(actions); widget_object.updateActionLinks(action_links); } } et2_DOMWidget._attributes = { "disabled": { "name": "Disabled", "type": "boolean", "description": "Defines whether this widget is visible. Not to be confused with an input widget's HTML attribute 'disabled'.", "default": false }, "width": { "name": "Width", "type": "dimension", "default": et2_no_init, "description": "Width of the element in pixels, percentage or 'auto'" }, "height": { "name": "Height", "type": "dimension", "default": et2_no_init, "description": "Height of the element in pixels, percentage or 'auto'" }, "class": { "name": "CSS Class", "type": "string", "default": et2_no_init, "description": "CSS Class which is applied to the dom element of this node" }, "overflow": { "name": "Overflow", "type": "string", "default": et2_no_init, "description": "If set, the css-overflow attribute is set to that value" }, "parent_node": { "name": "DOM parent", "type": "string", "default": et2_no_init, "description": "Insert into the target DOM node instead of the normal location" }, "actions": { "name": "Actions list", "type": "any", "default": et2_no_init, "description": "List of egw actions that can be done on the widget. This includes context menu, drag and drop. TODO: Link to action documentation" }, default_execute: { name: "Default onExecute for actions", type: "js", default: et2_no_init, description: "Set default onExecute javascript method for action not specifying their own" }, resize_ratio: { name: "Resize height of the widget on callback resize", type: "string", default: '', description: "Allow Resize height of the widget based on exess height and given ratio" }, data: { name: "comma-separated name:value pairs set as data attributes on DOM node", type: "string", default: '', description: 'data="mime:${row}[mime]" would generate data-mime="..." in DOM, eg. to use it in CSS on a parent' }, background: { name: "Add background image", type: "string", default: '', description: "Sets background image, left, right and scale on DOM", } }; /** * The surroundings manager class allows to append or prepend elements around * an widget node. */ export class et2_surroundingsMgr extends ClassWithAttributes { /** * Constructor * * @memberOf et2_surroundingsMgr * @param _widget */ constructor(_widget) { super(); this._widgetContainer = null; this._widgetSurroundings = []; this._widgetPlaceholder = null; this._widgetNode = null; this._ownPlaceholder = true; this._surroundingsUpdated = false; this.widget = _widget; } destroy() { this._widgetContainer = null; this._widgetSurroundings = null; this._widgetPlaceholder = null; this._widgetNode = null; } prependDOMNode(_node) { this._widgetSurroundings.unshift(_node); this._surroundingsUpdated = true; } appendDOMNode(_node) { // Append an placeholder first if none is existing yet if (this._ownPlaceholder && this._widgetPlaceholder == null) { this._widgetPlaceholder = document.createElement("span"); this._widgetSurroundings.push(this._widgetPlaceholder); } // Append the given node this._widgetSurroundings.push(_node); this._surroundingsUpdated = true; } insertDOMNode(_node) { if (!this._ownPlaceholder || this._widgetPlaceholder == null) { this.appendDOMNode(_node); return; } // Get the index of the widget placeholder and delete it, insert the // given node instead var idx = this._widgetSurroundings.indexOf(this._widgetPlaceholder); this._widgetSurroundings.splice(idx, 1, _node); // Delete the reference to the own placeholder this._widgetPlaceholder = null; this._ownPlaceholder = false; } removeDOMNode(_node) { for (var i = 0; this._widgetSurroundings && i < this._widgetSurroundings.length; i++) { if (this._widgetSurroundings[i] == _node) { this._widgetSurroundings.splice(i, 1); this._surroundingsUpdated = true; break; } } } setWidgetPlaceholder(_node) { if (_node != this._widgetPlaceholder) { if (_node != null && this._ownPlaceholder && this._widgetPlaceholder != null) { // Delete the current placeholder which was created by the // widget itself var idx = this._widgetSurroundings.indexOf(this._widgetPlaceholder); this._widgetSurroundings.splice(idx, 1); // Delete any reference to the own placeholder and set the // _ownPlaceholder flag to false this._widgetPlaceholder = null; this._ownPlaceholder = false; } this._ownPlaceholder = (_node == null); this._widgetPlaceholder = _node; this._surroundingsUpdated = true; } } _rebuildContainer() { // Return if there has been no change in the "surroundings-data" if (!this._surroundingsUpdated) { return false; } // Build the widget container if (this._widgetSurroundings.length > 0) { // Check whether the widgetPlaceholder is really inside the DOM-Tree var hasPlaceholder = et2_hasChild(this._widgetSurroundings, this._widgetPlaceholder); // If not, append another widget placeholder if (!hasPlaceholder) { this._widgetPlaceholder = document.createElement("span"); this._widgetSurroundings.push(this._widgetPlaceholder); this._ownPlaceholder = true; } // If the surroundings array only contains one element, set this one // as the widget container if (this._widgetSurroundings.length == 1) { if (this._widgetSurroundings[0] == this._widgetPlaceholder) { this._widgetContainer = null; } else { this._widgetContainer = this._widgetSurroundings[0]; } } else { // Create an outer "span" as widgetContainer this._widgetContainer = document.createElement("span"); // Append the children inside the widgetSurroundings array to // the widget container for (var i = 0; i < this._widgetSurroundings.length; i++) { this._widgetContainer.appendChild(this._widgetSurroundings[i]); } } } else { this._widgetContainer = null; this._widgetPlaceholder = null; } this._surroundingsUpdated = false; return true; } update() { if (this._surroundingsUpdated) { var attached = this.widget ? this.widget.isAttached() : false; // Reattach the widget - this will call the "getDOMNode" function // and trigger the _rebuildContainer function. if (attached && this.widget) { this.widget.detachFromDOM(); this.widget.attachToDOM(); } } } getDOMNode(_widgetNode) { // Update the whole widgetContainer if this is not the first time this // function has been called but the widget node has changed. if (this._widgetNode != null && this._widgetNode != _widgetNode) { this._surroundingsUpdated = true; } // Copy a reference to the given node this._widgetNode = _widgetNode; // Build the container if it didn't exist yet. var updated = this._rebuildContainer(); // Return the widget node itself if there are no surroundings arround // it if (this._widgetContainer == null) { return _widgetNode; } // Replace the widgetPlaceholder with the given widget node if the // widgetContainer has been updated if (updated) { this._widgetPlaceholder.parentNode.replaceChild(_widgetNode, this._widgetPlaceholder); if (!this._ownPlaceholder) { this._widgetPlaceholder = _widgetNode; } } // Return the widget container return this._widgetContainer; } getWidgetSurroundings() { return this._widgetSurroundings; } } /** * The egw_action system requires an egwActionObjectInterface Interface implementation * to tie actions to DOM nodes. This one can be used by any widget. * * The class extension is different than the widgets * * @param {et2_DOMWidget} widget * @param {Object} node * */ export class et2_action_object_impl { constructor(_widget, _node) { var widget = _widget; var objectNode = _node; this.aoi = new egwActionObjectInterface(); this.aoi.getWidget = function () { return widget; }; this.aoi.doGetDOMNode = function () { return objectNode ? objectNode : widget.getDOMNode(); }; // _outerCall may be used to determine, whether the state change has been // evoked from the outside and the stateChangeCallback has to be called // or not. this.aoi.doSetState = function (_state, _outerCall) { }; // The doTiggerEvent function may be overritten by the aoi if it wants to // support certain action implementation specific events like EGW_AI_DRAG_OVER // or EGW_AI_DRAG_OUT this.aoi.doTriggerEvent = function (_event, _data) { switch (_event) { case EGW_AI_DRAG_OVER: jQuery(this.node).addClass("ui-state-active"); break; case EGW_AI_DRAG_OUT: jQuery(this.node).removeClass("ui-state-active"); break; } }; } getAOI() { return this.aoi; } } //# sourceMappingURL=et2_core_DOMWidget.js.map