egroupware/api/js/egw_action/EgwPopupActionImplementation.ts

745 lines
29 KiB
TypeScript

/**
* EGroupware egw_action framework - egw action framework
*
* @link https://www.egroupware.org
* @author Andreas Stöckel <as@stylite.de>
* @copyright 2011 by Andreas Stöckel
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package egw_action
*/
import {_egw_active_menu, egwMenu, egwMenuItem} from "./egw_menu";
import {EGW_KEY_ENTER, EGW_KEY_MENU} from "./egw_action_constants";
import {tapAndSwipe} from "../tapandswipe";
import {EgwAction} from "./EgwAction";
import {EgwFnct} from "./egw_action_common";
import "./egwGlobal"
import {EgwActionImplementation} from "./EgwActionImplementation";
import {EgwActionObject} from "./EgwActionObject";
import {EgwPopupAction} from "./EgwPopupAction";
export class EgwPopupActionImplementation implements EgwActionImplementation {
type = "popup";
auto_paste = true;
registerAction = (_aoi, _callback, _context) => {
const node = _aoi.getDOMNode();
if (node) {
this._registerDefault(node, _callback, _context);
this._registerContext(node, _callback, _context);
return true;
}
return false;
};
unregisterAction = function (_aoi) {
const node = _aoi.getDOMNode();
//TODO jQuery replacement
jQuery(node).off();
return true
};
/**
* Builds the context menu and shows it at the given position/DOM-Node.
*
* @param {object} _context
* @param {type} _selected
* @param {type} _links
* @param {type} _target
* @returns {Boolean}
*/
executeImplementation = (_context, _selected, _links, _target)=> {
if (typeof _target == "undefined") {
_target = null;
}
this._context = _context;
if (typeof _context == "object" && typeof _context.keyEvent == "object") {
return this._handleKeyPress(_context.keyEvent, _selected, _links, _target);
} else if (_context != "default") {
//Check whether the context has the posx and posy parameters
if ((typeof _context.posx != "number" || typeof _context.posy != "number") &&
typeof _context.id != "undefined") {
// Calculate context menu position from the given DOM-Node
let node = _context;
const x = jQuery(node).offset().left;
const y = jQuery(node).offset().top;
_context = {"posx": x, "posy": y};
}
const menu = this._buildMenu(_links, _selected, _target);
menu.showAt(_context.posx, _context.posy);
return true;
} else {
const defaultAction = this._getDefaultLink(_links);
if (defaultAction) {
defaultAction.execute(_selected);
}
}
return false;
};
/**
* Registers the handler for the default action
*
* @param {any} _node
* @param {function} _callback
* @param {object} _context
* @returns {boolean}
*/
private _registerDefault = (_node, _callback, _context)=> {
const defaultHandler = (e)=> {
// Prevent bubbling bound event on <a> tag, on touch devices
// a tag should be handled by default event
if (window.egwIsMobile() && e.target.tagName == "A") return true;
if (typeof document["selection"] != "undefined" && typeof document["selection"].empty != "undefined") {
document["selection"].empty();
} else if (typeof window.getSelection != "undefined") {
const sel = window.getSelection();
sel.removeAllRanges();
}
if (!(_context.manager.getActionsByAttr('singleClick', true).length > 0 &&
e.target.classList.contains('et2_clickable'))) {
_callback.call(_context, "default", this);
}
// Stop action from bubbling up to parents
e.stopPropagation();
e.cancelBubble = true;
// remove context menu if we are in mobile theme
// and intended to open the entry
if (_egw_active_menu && e.which == 1) _egw_active_menu.hide();
return false;
};
if (window.egwIsMobile() || _context.manager.getActionsByAttr('singleClick', true).length > 0) {
_node.addEventListener('click',defaultHandler)//jQuery(_node).on('click', defaultHandler);
} else {
_node.ondblclick = defaultHandler;
}
};
private _getDefaultLink = function (_links) {
let defaultAction = null;
for (const k in _links) {
if (_links[k].actionObj["default"] && _links[k].enabled) {
defaultAction = _links[k].actionObj;
break;
}
}
return defaultAction;
};
private _searchShortcut = (_key, _objs, _links) => {
for (const item of _objs) {
const shortcut = item.shortcut;
if (shortcut && shortcut.keyCode == _key.keyCode && shortcut.shift == _key.shift &&
shortcut.ctrl == _key.ctrl && shortcut.alt == _key.alt &&
item.type == "popup" && (typeof _links[item.id] == "undefined" ||
_links[item.id].enabled)) {
return item;
}
const obj = this._searchShortcut(_key, item.children, _links);
if (obj) {
return obj;
}
}
};
private _searchShortcutInLinks = (_key, _links)=> {
const objs = [];
for (const k in _links) {
if (_links[k].enabled) {
objs.push(_links[k].actionObj);
}
}
return this._searchShortcut(_key, objs, _links);
};
/**
* Handles a key press
*
* @param {object} _key
* @param {type} _selected
* @param {type} _links
* @param {type} _target
* @returns {Boolean}
*/
private _handleKeyPress = (_key, _selected, _links, _target) => {
// Handle the default
if (_key.keyCode == EGW_KEY_ENTER && !_key.ctrl && !_key.shift && !_key.alt) {
const defaultAction = this._getDefaultLink(_links);
if (defaultAction) {
defaultAction.execute(_selected);
return true;
}
}
// Menu button
if (_key.keyCode == EGW_KEY_MENU && !_key.ctrl) {
return this.executeImplementation({posx: 0, posy: 0}, _selected, _links, _target);
}
// Check whether the given shortcut exists
const obj = this._searchShortcutInLinks(_key, _links);
if (obj) {
obj.execute(_selected);
return true;
}
return false;
};
private _handleTapHold = function (_node, _callback) {
//TODO (todo-jquery): ATM we need to convert the possible given jquery dom node object into DOM Element, this
// should be no longer necessary after removing jQuery nodes.
if (_node instanceof jQuery) {
_node = _node[0];
}
let tap = new tapAndSwipe(_node, {
// this threshold must be the same as the one set in et2_dataview_view_aoi
tapHoldThreshold: 1000,
allowScrolling: "both",
tapAndHold: function (event, fingercount) {
if (fingercount >= 2) return;
// don't trigger contextmenu if sorting is happening
if (document.querySelector('.sortable-drag')) return;
_callback(event);
}
});
// bind a custom event tapandhold to be able to call it from nm action button
_node.addEventListener('tapandhold', _event => {
_callback(_event)
});
}
/**
* Registers the handler for the context menu
*
* @param {any} _node
* @param {function} _callback
* @param {object} _context
* @returns {boolean}
*/
private _registerContext = (_node, _callback, _context) => {
const contextHandler = (e) => {
//Obtain the event object, this should not happen at any point
if (!e) {
e = window.event;
}
if (_egw_active_menu) {
_egw_active_menu.hide();
} else if (!e.ctrlKey && e.which == 3 || e.which === 0 || e.type === 'tapandhold') // tap event indicates by 0
{
const _xy = this._getPageXY(e);
const _implContext = {event: e, posx: _xy.posx, posy: _xy.posy};
_callback.call(_context, _implContext, this);
}
e.cancelBubble = !e.ctrlKey || e.which == 1;
if (e.stopPropagation && e.cancelBubble) {
e.stopPropagation();
}
return !e.cancelBubble;
};
// Safari still needs the taphold to trigger contextmenu
// Chrome has default event on touch and hold which acts like right click
this._handleTapHold(_node, contextHandler);
if (!window.egwIsMobile()) jQuery(_node).on('contextmenu', contextHandler);
};
/**
* Groups and sorts the given action tree layer
*
* @param {type} _layer
* @param {type} _links
* @param {type} _parentGroup
*/
private _groupLayers = (_layer, _links, _parentGroup) => {
// Separate the multiple groups out of the layer
const link_groups = {};
for (let i = 0; i < _layer.children.length; i++) {
const popupAction:EgwPopupAction = _layer.children[i].action;
// Check whether the link group of the current element already exists,
// if not, create the group
const grp = popupAction.group;
if (typeof link_groups[grp] == "undefined") {
link_groups[grp] = [];
}
// Search the link data for this action object if none is found,
// visible and enabled = true is assumed
let visible = true;
let enabled = true;
if (typeof _links[popupAction.id] != "undefined") {
visible = _links[popupAction.id].visible;
enabled = _links[popupAction.id].enabled;
}
// Insert the element in order
let inserted = false;
const groupObj = {
"actionObj": popupAction,
"visible": visible,
"enabled": enabled,
"groups": []
};
for (let j = 0; j < link_groups[grp].length; j++) {
const elem:EgwPopupAction = link_groups[grp][j].actionObj;
if (elem.order > popupAction.order) {
inserted = true;
link_groups[grp].splice(j, 0, groupObj);
break;
}
}
// If the object hasn't been inserted, add it to the end of the list
if (!inserted) {
link_groups[grp].push(groupObj);
}
// If this child itself has children, group those elements too
if (_layer.children[i].children.length > 0) {
this._groupLayers(_layer.children[i], _links, groupObj);
}
}
// Transform the link_groups object into a sorted array
const groups = [];
for (const k in link_groups) {
groups.push({"grp": k, "links": link_groups[k]});
}
groups.sort(function (a, b) {
const ia = parseInt(a.grp);
const ib = parseInt(b.grp);
return (ia > ib) ? 1 : ((ia < ib) ? -1 : 0);
});
// Append the groups to the groups2 array
const groups2 = [];
for (const item of groups) {
groups2.push(item.links);
}
_parentGroup.groups = groups2;
};
/**
* Build the menu layers
*
* @param {type} _menu
* @param {type} _groups
* @param {type} _selected
* @param {type} _enabled
* @param {type} _target
*/
private _buildMenuLayer = (_menu, _groups, _selected, _enabled, _target) => {
let firstGroup = true;
for (const item1 of _groups) {
let firstElem = true;
// Go through the elements of each group
for (const link of item1) {
if (link.visible) {
// Add a separator after each group
if (!firstGroup && firstElem) {
_menu.addItem("", "-");
}
firstElem = false;
const item:egwMenuItem = _menu.addItem(link.actionObj.id, link.actionObj.caption,
link.actionObj.iconUrl);
item.default= link.actionObj["default"];
// As this code is also used when a drag-drop popup menu is built,
// we have to perform this check
if (link.actionObj.type == "popup") {
item.set_hint(link.actionObj.hint);
item.set_checkbox(link.actionObj.checkbox);
item.set_checked(link.actionObj.checked);
if (link.actionObj.checkbox && link.actionObj.isChecked) {
item.set_checked(link.actionObj.isChecked.exec(link.actionObj, _selected));
}
item.set_groupIndex(link.actionObj.radioGroup);
if (link.actionObj.shortcut && !window.egwIsMobile()) {
const shortcut = link.actionObj.shortcut;
item.set_shortcutCaption(shortcut.caption);
}
}
item.set_data(link.actionObj);
if (link.enabled && _enabled) {
item.set_onClick( (elem) => {
// Pass the context
elem.data.menu_context = this._context;
// Copy the "checked" state
if (typeof elem.data.checked != "undefined") {
elem.data.checked = elem.checked;
}
elem.data.execute(_selected, _target);
if (typeof elem.data.checkbox != "undefined" && elem.data.checkbox) {
return elem.data.checked;
}
});
} else {
item.set_enabled(false);
}
// Append the parent groups
if (link.groups) {
this._buildMenuLayer(item, link.groups, _selected, link.enabled, _target);
}
}
}
firstGroup = firstGroup && firstElem;
}
};
/**
* Builds the context menu from the given action links
*
* @param {type} _links
* @param {type} _selected
* @param {type} _target
* @returns {egwMenu|EgwActionImplementation._buildMenu.menu}
*/
private _buildMenu = (_links, _selected, _target) => {
// Build a tree containing all actions
const tree = {"root": []};
// Automatically add in Drag & Drop actions
if (this.auto_paste && !window.egwIsMobile()&& !this._context.event.type.match(/touch/)) {
this._addCopyPaste(_links, _selected);
}
for (const k in _links) {
_links[k].actionObj.appendToTree(tree);
}
// We need the dummy object container in order to pass the array by
// reference
const groups = {
"groups": []
};
if (tree.root.length > 0) {
// Sort every action object layer by the given sort position and grouping
this._groupLayers(tree.root[0], _links, groups);
}
const menu = new egwMenu();
// Build the menu layers
this._buildMenuLayer(menu, groups.groups, _selected, true, _target);
return menu;
};
_getPageXY = function getPageXY(event) {
// document.body.scrollTop does not work in IE
const scrollTop = document.body.scrollTop ? document.body.scrollTop :
document.documentElement.scrollTop;
const scrollLeft = document.body.scrollLeft ? document.body.scrollLeft :
document.documentElement.scrollLeft;
return {'posx': (event.clientX + scrollLeft), 'posy': (event.clientY + scrollTop)};
};
/**
* Automagically add in context menu items for copy and paste from
* drag and drop actions, based on current clipboard and the accepted types
*
* @param {object[]} _links Actions for inclusion in the menu
* @param {EgwActionObject[]} _selected Currently selected entries
*/
private _addCopyPaste = (_links, _selected:EgwActionObject[])=> {
// Get a list of drag & drop actions
const drag = _selected[0].getSelectedLinks('drag').links;
const drop = _selected[0].getSelectedLinks('drop').links;
// No drags & no drops means early exit (only by default added egw_cancel_drop does NOT count!)
if ((!drag || jQuery.isEmptyObject(drag)) &&
(!drop || jQuery.isEmptyObject(drop) ||
Object.keys(drop).length === 1 && typeof drop.egw_cancel_drop !== 'undefined')) {
return;
}
// Find existing actions so we don't get copies
const mgr = _selected[0].manager;
let copy_action = mgr.getActionById('egw_copy');
let add_action = mgr.getActionById('egw_copy_add');
let clipboard_action = mgr.getActionById('egw_os_clipboard');
let paste_action = mgr.getActionById('egw_paste');
// Fake UI so we can simulate the position of the drop
const ui = {
position: {top: 0, left: 0},
offset: {top: 0, left: 0}
};
if (this._context.event) {
const event = this._context.event.originalEvent;
ui.position = {top: event.pageY, left: event.pageX};
ui.offset = {top: event.offsetY, left: event.offsetX};
}
// Create default copy menu action
if (drag && !jQuery.isEmptyObject(drag)) {
// Don't re-add if it's there
if (copy_action == null) {
// Create a drag action that allows linking
copy_action = mgr.addAction('popup', 'egw_copy', window.egw.lang('Copy to clipboard'), window.egw.image('copy'), function (action, selected) {
// Copied, now add to clipboard
const clipboard = {
type: [],
selected: []
};
// When pasting we need to know the type of drag
for (const k in drag) {
if (drag[k].enabled && drag[k].actionObj.dragType.length > 0) {
clipboard.type = clipboard.type.concat(drag[k].actionObj.dragType);
}
}
clipboard.type = jQuery.uniqueSort(clipboard.type);
// egwAction is a circular structure and can't be stringified so just take what we want
// Hopefully that's enough for the action handlers
for (const k in selected) {
if (selected[k].id) clipboard.selected.push({id: selected[k].id, data: selected[k].data});
}
// Save it in session
window.egw.setSessionItem('phpgwapi', 'egw_clipboard', JSON.stringify(clipboard));
}, true);
copy_action.group = 2.5;
}
if (add_action == null) {
// Create an action to add selected to clipboard
add_action = mgr.addAction('popup', 'egw_copy_add', window.egw.lang('Add to clipboard'), window.egw.image('copy'), function (action, selected) {
// Copied, now add to clipboard
const clipboard = JSON.parse(window.egw.getSessionItem('phpgwapi', 'egw_clipboard')) || {
type: [],
selected: []
};
// When pasting we need to know the type of drag
for (const k in drag) {
if (drag[k].enabled && drag[k].actionObj.dragType.length > 0) {
clipboard.type = clipboard.type.concat(drag[k].actionObj.dragType);
}
}
clipboard.type = [...new Set(clipboard.type)].sort();
// egwAction is a circular structure and can't be stringified so just take what we want
// Hopefully that's enough for the action handlers
for (const k in selected) {
if (selected[k].id) clipboard.selected.push({id: selected[k].id, data: selected[k].data});
}
// Save it in session
window.egw.setSessionItem('phpgwapi', 'egw_clipboard', JSON.stringify(clipboard));
}, true);
add_action.group = 2.5;
}
if (clipboard_action == null) {
// Create an action to add selected to clipboard
clipboard_action = mgr.addAction('popup', 'egw_os_clipboard', window.egw.lang('Copy to OS clipboard'), window.egw.image('copy'), function (action) {
if (document.queryCommandSupported('copy')) {
jQuery(action.data.target).trigger('copy');
}
}, true);
clipboard_action.group = 2.5;
}
let os_clipboard_caption = "";
if (this._context.event) {
os_clipboard_caption = this._context.event.originalEvent.target.innerText.trim();
clipboard_action.set_caption(window.egw.lang('Copy "%1"', os_clipboard_caption.length > 20 ? os_clipboard_caption.substring(0, 20) + '...' : os_clipboard_caption));
clipboard_action.data.target = this._context.event.originalEvent.target;
}
jQuery(clipboard_action.data.target).off('copy').on('copy', function (event) {
try {
window.egw.copyTextToClipboard(os_clipboard_caption, clipboard_action.data.target, event).then((successful) => {
// Fallback
if (typeof successful == "undefined") {
// Clear message
window.egw.message(window.egw.lang("'%1' copied to clipboard", os_clipboard_caption.length > 20 ? os_clipboard_caption.substring(0, 20) + '...' : os_clipboard_caption));
window.getSelection().removeAllRanges();
return false;
} else {
// Show fail message
window.egw.message(window.egw.lang('Use Ctrl-C/Cmd-C to copy'));
}
});
} catch (err) {
}
});
if (typeof _links[copy_action.id] == 'undefined') {
_links[copy_action.id] = {
"actionObj": copy_action,
"enabled": true,
"visible": true,
"cnt": 0
};
}
if (typeof _links[add_action.id] == 'undefined') {
_links[add_action.id] = {
"actionObj": add_action,
"enabled": true,
"visible": true,
"cnt": 0
};
}
if (typeof _links[clipboard_action.id] == 'undefined') {
_links[clipboard_action.id] = {
"actionObj": clipboard_action,
"enabled": os_clipboard_caption.length > 0,
"visible": os_clipboard_caption.length > 0,
"cnt": 0
};
}
}
// Create default paste menu item
if (drop && !jQuery.isEmptyObject(drop)) {
// Create paste action
// This injects the clipboard data and calls the original handler
let paste_exec = function (action, selected) {
// Add in clipboard as a sender
let clipboard = JSON.parse(window.egw.getSessionItem('phpgwapi', 'egw_clipboard'));
// Fake drop position
drop[action.id].actionObj.ui = ui;
// Set a flag so apps can tell the difference, if they need to
drop[action.id].actionObj.paste = true;
drop[action.id].actionObj.execute(clipboard.selected, selected[0]);
drop[action.id].actionObj.paste = false;
};
let clipboard = JSON.parse(window.egw.getSessionItem('phpgwapi', 'egw_clipboard')) || {
type: [],
selected: []
};
// Don't re-add if action already exists
if (paste_action == null) {
paste_action = mgr.addAction('popup', 'egw_paste', window.egw.lang('Paste'), window.egw.image('editpaste'), paste_exec, true);
paste_action.group = 2.5;
paste_action.order = 9;
if (typeof paste_action.canHaveChildren !== "boolean") {
paste_action.canHaveChildren.push('drop');
}
}
// Set hint to something resembling current clipboard
let hint = window.egw.lang('Clipboard') + ":\n";
paste_action.set_hint(hint);
// Add titles of entries
for (let i = 0; i < clipboard.selected.length; i++) {
let id = clipboard.selected[i].id.split('::');
window.egw.link_title(id[0], id[1], function (title) {
if (title) this.hint += title + "\n";
}, paste_action);
}
// Add into links, so it's included in menu
// @ts-ignore exec uses arguments:IArguments and therefor can consume them even if ts does not know it
if (paste_action && paste_action.enabled.exec(paste_action, clipboard.selected, _selected[0])) {
if (typeof _links[paste_action.id] == 'undefined') {
_links[paste_action.id] = {
"actionObj": paste_action,
"enabled": false,
"visible": clipboard != null,
"cnt": 0
};
}
while (paste_action.children.length > 0) {
paste_action.children[0].remove();
}
// If nothing [valid] in the clipboard, don't bother with children
if (clipboard == null || typeof clipboard.type != 'object') {
return;
}
// Add in actual actions as children
for (let k in drop) {
// Add some choices - need to be a copy, or they interfere with
// the original
//replace jQuery with spread operator
// set the Prototype of the copy set_onExecute is not available otherwise
//TODO is this a valid/elegant way to do this??? give egwAction a methode clone -- make abstract parent class
let drop_clone = drop[k].actionObj.clone()//Object.assign(Object.create(Object.getPrototypeOf(drop[k].actionObj)), drop[k].actionObj) //{...drop[k].actionObj};
//warning This method is really slow
//Object.setPrototypeOf(drop_clone, EgwAction.prototype)
let parent = paste_action.parent === drop_clone.parent ? paste_action : (paste_action.getActionById(drop_clone.parent.id) || paste_action);
drop_clone.parent = parent;
drop_clone.onExecute = new EgwFnct(this, null, []);
drop_clone.children = [];
drop_clone.set_onExecute(paste_exec);
parent.children.push(drop_clone);
parent.allowOnMultiple = paste_action.allowOnMultiple && drop_clone.allowOnMultiple;
_links[k] = jQuery.extend({}, drop[k]);
_links[k].actionObj = drop_clone;
// Drop is allowed if clipboard types intersect drop types
_links[k].enabled = false;
_links[k].visible = false;
for (let i = 0; i < drop_clone.acceptedTypes.length; i++) {
if (clipboard.type.indexOf(drop_clone.acceptedTypes[i]) != -1) {
_links[paste_action.id].enabled = true;
_links[k].enabled = true;
_links[k].visible = true;
break;
}
}
}
}
}
};
private _context: any;
}
/**
* @deprecated use uppercase class
*/
export class egwPopupActionImplementation extends EgwPopupActionImplementation{}
let _popupActionImpl = null;
export function getPopupImplementation(): EgwPopupActionImplementation {
if (!_popupActionImpl) {
_popupActionImpl = new EgwPopupActionImplementation();
}
return _popupActionImpl;
}