| | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | Roundcube Treelist widget | |
| | | | | |
| | | | This file is part of the Roundcube Webmail client | |
| | | | Copyright (C) 2013, The Roundcube Dev Team | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for skins & plugins. | |
| | | | See the README file for a full license statement. | |
| | | | | |
| | | +-----------------------------------------------------------------------+ |
| | | | Authors: Thomas Bruederli <roundcube@gmail.com> | |
| | | +-----------------------------------------------------------------------+ |
| | | | Requires: common.js | |
| | | +-----------------------------------------------------------------------+ |
| | | */ |
| | | /** |
| | | * Roundcube Treelist Widget |
| | | * |
| | | * This file is part of the Roundcube Webmail client |
| | | * |
| | | * @licstart The following is the entire license notice for the |
| | | * JavaScript code in this file. |
| | | * |
| | | * Copyright (c) 2013-2014, The Roundcube Dev Team |
| | | * |
| | | * The JavaScript code in this page is free software: you can |
| | | * redistribute it and/or modify it under the terms of the GNU |
| | | * General Public License (GNU GPL) as published by the Free Software |
| | | * Foundation, either version 3 of the License, or (at your option) |
| | | * any later version. The code is distributed WITHOUT ANY WARRANTY; |
| | | * without even the implied warranty of MERCHANTABILITY or FITNESS |
| | | * FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. |
| | | * |
| | | * As additional permission under GNU GPL version 3 section 7, you |
| | | * may distribute non-source (e.g., minimized or compacted) forms of |
| | | * that code without the copy of the GNU GPL normally required by |
| | | * section 4, provided you include this license notice and a URL |
| | | * through which recipients can access the Corresponding Source. |
| | | * |
| | | * @licend The above is the entire license notice |
| | | * for the JavaScript code in this file. |
| | | * |
| | | * @author Thomas Bruederli <roundcube@gmail.com> |
| | | * @requires jquery.js, common.js |
| | | */ |
| | | |
| | | |
| | | /** |
| | |
| | | scroll_delay: 500, |
| | | scroll_step: 5, |
| | | scroll_speed: 20, |
| | | check_droptarget: function(node){ return !node.virtual } |
| | | save_state: false, |
| | | keyboard: true, |
| | | tabexit: true, |
| | | parent_focus: false, |
| | | check_droptarget: function(node) { return !node.virtual; } |
| | | }, p || {}); |
| | | |
| | | var container = $(node), |
| | |
| | | indexbyid = {}, |
| | | selection = null, |
| | | drag_active = false, |
| | | search_active = false, |
| | | last_search = '', |
| | | has_focus = false, |
| | | box_coords = {}, |
| | | item_coords = [], |
| | | autoexpand_timer, |
| | |
| | | body_scroll_top = 0, |
| | | list_scroll_top = 0, |
| | | scroll_timer, |
| | | searchfield, |
| | | tree_state, |
| | | ui_droppable, |
| | | ui_draggable, |
| | | draggable_opts, |
| | | droppable_opts, |
| | | list_id = (container.attr('id') || p.id_prefix || '0'), |
| | | me = this; |
| | | |
| | | |
| | |
| | | this.drag_start = drag_start; |
| | | this.drag_end = drag_end; |
| | | this.intersects = intersects; |
| | | this.droppable = droppable; |
| | | this.draggable = draggable; |
| | | this.update = update_node; |
| | | this.insert = insert; |
| | | this.remove = remove; |
| | | this.get_item = get_item; |
| | | this.get_node = get_node; |
| | | this.get_selection = get_selection; |
| | | this.is_search = is_search; |
| | | this.reset_search = reset_search; |
| | | |
| | | /////// startup code (constructor) |
| | | |
| | |
| | | // register click handlers on list |
| | | container.on('click', 'div.treetoggle', function(e){ |
| | | toggle(dom2id($(this).parent())); |
| | | e.stopPropagation(); |
| | | }); |
| | | |
| | | container.on('click', 'li', function(e){ |
| | | container.on('click', 'li', function(e) { |
| | | // do not select record on checkbox/input click |
| | | if ($(e.target).is('input')) |
| | | return true; |
| | | |
| | | var node = p.selectable ? indexbyid[dom2id($(this))] : null; |
| | | if (node && !node.virtual) { |
| | | select(node.id); |
| | |
| | | } |
| | | }); |
| | | |
| | | // mute clicks on virtual folder links (they need tabindex="0" in order to be selectable by keyboard) |
| | | container.on('mousedown', 'a', function(e) { |
| | | var link = $(e.target), node = indexbyid[dom2id(link.closest('li'))]; |
| | | if (node && node.virtual && !link.attr('href')) { |
| | | e.preventDefault(); |
| | | e.stopPropagation(); |
| | | return false; |
| | | } |
| | | }); |
| | | |
| | | // activate search function |
| | | if (p.searchbox) { |
| | | searchfield = $(p.searchbox).on('keyup', function(e) { |
| | | var key = rcube_event.get_keycode(e), |
| | | mod = rcube_event.get_modifier(e); |
| | | |
| | | switch (key) { |
| | | case 9: // tab |
| | | break; |
| | | |
| | | case 13: // enter |
| | | search(this.value, true); |
| | | return rcube_event.cancel(e); |
| | | |
| | | case 27: // escape |
| | | reset_search(); |
| | | break; |
| | | |
| | | case 38: // arrow up |
| | | case 37: // left |
| | | case 39: // right |
| | | case 40: // arrow down |
| | | return; // ignore arrow keys |
| | | |
| | | default: |
| | | search(this.value, false); |
| | | break; |
| | | } |
| | | }).attr('autocomplete', 'off'); |
| | | |
| | | // find the reset button for this search field |
| | | searchfield.parent().find('a.reset').click(function(e) { |
| | | reset_search(); |
| | | return false; |
| | | }) |
| | | } |
| | | |
| | | container.on('focusin', function(e){ |
| | | // TODO: only accept focus on virtual nodes from keyboard events |
| | | has_focus = true; |
| | | }) |
| | | .on('focusout', function(e){ |
| | | has_focus = false; |
| | | }); |
| | | |
| | | container.attr('role', 'tree'); |
| | | |
| | | $(document.body) |
| | | .bind('keydown', keypress); |
| | | |
| | | // catch focus when clicking the list container area |
| | | if (p.parent_focus) { |
| | | container.parent(':not(body)').click(function(e) { |
| | | if (!has_focus && selection) { |
| | | $(get_item(selection)).find(':focusable').first().focus(); |
| | | } |
| | | else if (!has_focus) { |
| | | container.children('li:has(:focusable)').first().find(':focusable').first().focus(); |
| | | } |
| | | }); |
| | | } |
| | | |
| | | /////// private methods |
| | | |
| | |
| | | node.collapsed = typeof set == 'undefined' || set; |
| | | update_dom(node); |
| | | |
| | | // Work around a bug in IE6 and IE7, see #1485309 |
| | | if (window.bw && (bw.ie6 || bw.ie7) && node.collapsed) { |
| | | id2dom(node.id).next().children('ul:visible').hide().show(); |
| | | } |
| | | |
| | | if (recursive && node.children) { |
| | | for (var i=0; i < node.children.length; i++) { |
| | | collapse(node.children[i].id, recursive, set); |
| | |
| | | } |
| | | |
| | | me.triggerEvent(node.collapsed ? 'collapse' : 'expand', node); |
| | | save_state(id, node.collapsed); |
| | | } |
| | | } |
| | | |
| | |
| | | */ |
| | | function select(id) |
| | | { |
| | | // allow subscribes to prevent selection change |
| | | if (me.triggerEvent('beforeselect', indexbyid[id]) === false) { |
| | | return; |
| | | } |
| | | |
| | | if (selection) { |
| | | id2dom(selection).removeClass('selected'); |
| | | id2dom(selection, true).removeClass('selected').removeAttr('aria-selected'); |
| | | if (search_active) |
| | | id2dom(selection).removeClass('selected').removeAttr('aria-selected'); |
| | | selection = null; |
| | | } |
| | | |
| | | var li = id2dom(id); |
| | | if (!id) |
| | | return; |
| | | |
| | | var li = id2dom(id, true); |
| | | if (li.length) { |
| | | li.addClass('selected'); |
| | | li.addClass('selected').attr('aria-selected', 'true'); |
| | | selection = id; |
| | | // TODO: expand all parent nodes if collapsed |
| | | |
| | | if (search_active) |
| | | id2dom(id).addClass('selected').attr('aria-selected', 'true'); |
| | | |
| | | scroll_to_node(li); |
| | | } |
| | | |
| | |
| | | /** |
| | | * Return the DOM element of the list item with the given ID |
| | | */ |
| | | function get_item(id) |
| | | function get_node(id) |
| | | { |
| | | return id2dom(id).get(0); |
| | | return indexbyid[id]; |
| | | } |
| | | |
| | | /** |
| | | * Return the DOM element of the list item with the given ID |
| | | */ |
| | | function get_item(id, real) |
| | | { |
| | | return id2dom(id, real).get(0); |
| | | } |
| | | |
| | | /** |
| | |
| | | function insert(node, parent_id, sort) |
| | | { |
| | | var li, parent_li, |
| | | parent_node = parent_id ? indexbyid[parent_id] : null; |
| | | parent_node = parent_id ? indexbyid[parent_id] : null |
| | | search_ = search_active; |
| | | |
| | | // ignore, already exists |
| | | if (indexbyid[node.id]) { |
| | | return; |
| | | } |
| | | |
| | | // apply saved state |
| | | state = get_state(node.id, node.collapsed); |
| | | if (state !== undefined) { |
| | | node.collapsed = state; |
| | | } |
| | | |
| | | // insert as child of an existing node |
| | | if (parent_node) { |
| | | node.level = parent_node.level + 1; |
| | | if (!parent_node.children) |
| | | parent_node.children = []; |
| | | |
| | | search_active = false; |
| | | parent_node.children.push(node); |
| | | parent_li = id2dom(parent_id); |
| | | |
| | | // re-render the entire subtree |
| | | if (parent_node.children.length == 1) { |
| | | render_node(parent_node, parent_li.parent(), parent_li); |
| | | render_node(parent_node, null, parent_li); |
| | | li = id2dom(node.id); |
| | | } |
| | | else { |
| | | // append new node to parent's child list |
| | | li = render_node(node, parent_li.children('ul').first()); |
| | | } |
| | | |
| | | // list is in search mode |
| | | if (search_) { |
| | | search_active = search_; |
| | | |
| | | // add clone to current search results (top level) |
| | | if (!li.is(':visible')) { |
| | | $('<li>') |
| | | .attr('id', li.attr('id') + '--xsR') |
| | | .attr('class', li.attr('class')) |
| | | .addClass('searchresult__') |
| | | .append(li.children().first().clone(true, true)) |
| | | .appendTo(container); |
| | | } |
| | | } |
| | | } |
| | | // insert at top level |
| | | else { |
| | | node.level = 0; |
| | | data.push(node); |
| | | li = render_node(node, container); |
| | | } |
| | | |
| | | indexbyid[node.id] = node; |
| | | |
| | | // set new reference to node.html after insert |
| | | // will otherwise vanish in Firefox 3.6 |
| | | if (typeof node.html == 'object') { |
| | | indexbyid[node.id].html = id2dom(node.id, true).children(); |
| | | } |
| | | |
| | | if (sort) { |
| | | resort_node(li, typeof sort == 'string' ? '[class~="' + sort + '"]' : ''); |
| | |
| | | */ |
| | | function update_node(id, updates, sort) |
| | | { |
| | | var li, node = indexbyid[id]; |
| | | var li, parent_ul, parent_node, old_parent, |
| | | node = indexbyid[id]; |
| | | |
| | | if (node) { |
| | | li = id2dom(id); |
| | | parent_ul = li.parent(); |
| | | |
| | | if (updates.id || updates.html || updates.children || updates.classes) { |
| | | if (updates.id || updates.html || updates.children || updates.classes || updates.parent) { |
| | | if (updates.parent && (parent_node = indexbyid[updates.parent])) { |
| | | // remove reference from old parent's child list |
| | | if (parent_ul.closest('li').length && (old_parent = indexbyid[dom2id(parent_ul.closest('li'))])) { |
| | | old_parent.children = $.grep(old_parent.children, function(elem, i){ return elem.id != node.id; }); |
| | | } |
| | | |
| | | // append to new parent node |
| | | parent_ul = id2dom(updates.parent).children('ul').first(); |
| | | if (!parent_node.children) |
| | | parent_node.children = []; |
| | | parent_node.children.push(node); |
| | | } |
| | | else if (updates.parent !== undefined) { |
| | | parent_ul = container; |
| | | } |
| | | |
| | | $.extend(node, updates); |
| | | render_node(node, li.parent(), li); |
| | | li = render_node(node, parent_ul, li); |
| | | } |
| | | |
| | | if (node.id != id) { |
| | |
| | | if (sibling) { |
| | | li.insertAfter(sibling); |
| | | } |
| | | else if (first.id != myid) { |
| | | else if (first && first.id != myid) { |
| | | li.insertBefore(first); |
| | | } |
| | | |
| | |
| | | var node, li; |
| | | |
| | | if (node = indexbyid[id]) { |
| | | li = id2dom(id); |
| | | li = id2dom(id, true); |
| | | li.remove(); |
| | | |
| | | node.deleted = true; |
| | | delete indexbyid[id]; |
| | | |
| | | if (search_active) { |
| | | id2dom(id, false).remove(); |
| | | } |
| | | |
| | | return true; |
| | | } |
| | |
| | | */ |
| | | function update_data() |
| | | { |
| | | data = walk_list(container); |
| | | data = walk_list(container, 0); |
| | | } |
| | | |
| | | /** |
| | |
| | | */ |
| | | function update_dom(node) |
| | | { |
| | | var li = id2dom(node.id); |
| | | var li = id2dom(node.id, true); |
| | | li.attr('aria-expanded', node.collapsed ? 'false' : 'true'); |
| | | li.children('ul').first()[(node.collapsed ? 'hide' : 'show')](); |
| | | li.children('div.treetoggle').removeClass('collapsed expanded').addClass(node.collapsed ? 'collapsed' : 'expanded'); |
| | | me.triggerEvent('toggle', node); |
| | |
| | | /** |
| | | * |
| | | */ |
| | | function reset() |
| | | function reset(keep_content) |
| | | { |
| | | select(''); |
| | | |
| | |
| | | indexbyid = {}; |
| | | drag_active = false; |
| | | |
| | | container.html(''); |
| | | if (keep_content) { |
| | | if (draggable_opts) { |
| | | if (ui_draggable) |
| | | draggable('destroy'); |
| | | draggable(draggable_opts); |
| | | } |
| | | |
| | | if (droppable_opts) { |
| | | if (ui_droppable) |
| | | droppable('destroy'); |
| | | droppable(droppable_opts); |
| | | } |
| | | |
| | | update_data(); |
| | | } |
| | | else { |
| | | container.html(''); |
| | | } |
| | | |
| | | reset_search(); |
| | | } |
| | | |
| | | /** |
| | | * |
| | | */ |
| | | function search(q, enter) |
| | | { |
| | | q = String(q).toLowerCase(); |
| | | |
| | | if (!q.length) |
| | | return reset_search(); |
| | | else if (q == last_search && !enter) |
| | | return 0; |
| | | |
| | | var hits = []; |
| | | var search_tree = function(items) { |
| | | $.each(items, function(i, node) { |
| | | var li, sli; |
| | | if (!node.virtual && !node.deleted && String(node.text).toLowerCase().indexOf(q) >= 0 && hits.indexOf(node.id) < 0) { |
| | | li = id2dom(node.id); |
| | | |
| | | // skip already filtered nodes |
| | | if (li.data('filtered')) |
| | | return; |
| | | |
| | | sli = $('<li>') |
| | | .attr('id', li.attr('id') + '--xsR') |
| | | .attr('class', li.attr('class')) |
| | | .addClass('searchresult__') |
| | | // append all elements like links and inputs, but not sub-trees |
| | | .append(li.children(':not(div.treetoggle,ul)').clone(true, true)) |
| | | .appendTo(container); |
| | | hits.push(node.id); |
| | | } |
| | | |
| | | if (node.children && node.children.length) { |
| | | search_tree(node.children); |
| | | } |
| | | }); |
| | | }; |
| | | |
| | | // reset old search results |
| | | if (search_active) { |
| | | $(container).children('li.searchresult__').remove(); |
| | | search_active = false; |
| | | } |
| | | |
| | | // hide all list items |
| | | $(container).children('li').hide().removeClass('selected'); |
| | | |
| | | // search recursively in tree (to keep sorting order) |
| | | search_tree(data); |
| | | search_active = true; |
| | | last_search = q; |
| | | |
| | | me.triggerEvent('search', { query: q, last: last_search, count: hits.length, ids: hits, execute: enter||false }); |
| | | |
| | | return hits.count; |
| | | } |
| | | |
| | | /** |
| | | * |
| | | */ |
| | | function reset_search() |
| | | { |
| | | if (searchfield) |
| | | searchfield.val(''); |
| | | |
| | | $(container).children('li.searchresult__').remove(); |
| | | $(container).children('li').filter(function() { return !$(this).data('filtered'); }).show(); |
| | | |
| | | search_active = false; |
| | | |
| | | me.triggerEvent('search', { query: false, last: last_search }); |
| | | last_search = ''; |
| | | |
| | | if (selection) |
| | | select(selection); |
| | | } |
| | | |
| | | /** |
| | | * |
| | | */ |
| | | function is_search() |
| | | { |
| | | return search_active; |
| | | } |
| | | |
| | | /** |
| | |
| | | |
| | | // render child nodes |
| | | for (var i=0; i < data.length; i++) { |
| | | data[i].level = 0; |
| | | render_node(data[i], container); |
| | | } |
| | | |
| | |
| | | |
| | | var li = $('<li>') |
| | | .attr('id', p.id_prefix + (p.id_encode ? p.id_encode(node.id) : node.id)) |
| | | .addClass((node.classes || []).join(' ')); |
| | | .attr('role', 'treeitem') |
| | | .addClass((node.classes || []).join(' ')) |
| | | .data('id', node.id); |
| | | |
| | | if (replace) |
| | | if (replace) { |
| | | replace.replaceWith(li); |
| | | if (parent) |
| | | li.appendTo(parent); |
| | | } |
| | | else |
| | | li.appendTo(parent); |
| | | |
| | |
| | | else if (typeof node.html == 'object') |
| | | li.append(node.html); |
| | | |
| | | if (!node.text) |
| | | node.text = li.children().first().text(); |
| | | |
| | | if (node.virtual) |
| | | li.addClass('virtual'); |
| | | if (node.id == selection) |
| | |
| | | |
| | | // add child list and toggle icon |
| | | if (node.children && node.children.length) { |
| | | li.attr('aria-expanded', node.collapsed ? 'false' : 'true'); |
| | | $('<div class="treetoggle '+(node.collapsed ? 'collapsed' : 'expanded') + '"> </div>').appendTo(li); |
| | | var ul = $('<ul>').appendTo(li).attr('class', node.childlistclass); |
| | | var ul = $('<ul>').appendTo(li).attr('class', node.childlistclass).attr('role', 'group'); |
| | | if (node.collapsed) |
| | | ul.hide(); |
| | | |
| | | for (var i=0; i < node.children.length; i++) { |
| | | node.children[i].level = node.level + 1; |
| | | render_node(node.children[i], ul); |
| | | } |
| | | } |
| | |
| | | * Recursively walk the DOM tree and build an internal data structure |
| | | * representing the skeleton of this tree list. |
| | | */ |
| | | function walk_list(ul) |
| | | function walk_list(ul, level) |
| | | { |
| | | var result = []; |
| | | ul.children('li').each(function(i,e){ |
| | | var li = $(e), sublist = li.children('ul'); |
| | | var state, li = $(e), sublist = li.children('ul'); |
| | | var node = { |
| | | id: dom2id(li), |
| | | classes: li.attr('class').split(' '), |
| | | classes: String(li.attr('class')).split(' '), |
| | | virtual: li.hasClass('virtual'), |
| | | level: level, |
| | | html: li.children().first().get(0).outerHTML, |
| | | children: walk_list(sublist) |
| | | text: li.children().first().text(), |
| | | children: walk_list(sublist, level+1) |
| | | } |
| | | |
| | | if (sublist.length) { |
| | | node.childlistclass = sublist.attr('class'); |
| | | } |
| | | if (node.children.length) { |
| | | node.collapsed = sublist.css('display') == 'none'; |
| | | if (node.collapsed === undefined) |
| | | node.collapsed = sublist.css('display') == 'none'; |
| | | |
| | | // apply saved state |
| | | state = get_state(node.id, node.collapsed); |
| | | if (state !== undefined) { |
| | | node.collapsed = state; |
| | | sublist[(state?'hide':'show')](); |
| | | } |
| | | |
| | | if (!li.children('div.treetoggle').length) |
| | | $('<div class="treetoggle '+(node.collapsed ? 'collapsed' : 'expanded') + '"> </div>').appendTo(li); |
| | | |
| | | li.attr('aria-expanded', node.collapsed ? 'false' : 'true'); |
| | | } |
| | | if (li.hasClass('selected')) { |
| | | li.attr('aria-selected', 'true'); |
| | | selection = node.id; |
| | | } |
| | | |
| | | li.data('id', node.id); |
| | | |
| | | // declare list item as treeitem |
| | | li.attr('role', 'treeitem').attr('aria-level', node.level+1); |
| | | |
| | | // allow virtual nodes to receive focus |
| | | if (node.virtual) { |
| | | li.children('a:first').attr('tabindex', '0'); |
| | | } |
| | | |
| | | result.push(node); |
| | | indexbyid[node.id] = node; |
| | | }) |
| | | }); |
| | | |
| | | ul.attr('role', level == 0 ? 'tree' : 'group'); |
| | | |
| | | return result; |
| | | } |
| | |
| | | */ |
| | | function dom2id(li) |
| | | { |
| | | var domid = li.attr('id').replace(new RegExp('^' + (p.id_prefix) || '%'), ''); |
| | | var domid = String(li.attr('id')).replace(new RegExp('^' + (p.id_prefix) || '%'), '').replace(/--xsR$/, ''); |
| | | return p.id_decode ? p.id_decode(domid) : domid; |
| | | } |
| | | |
| | | /** |
| | | * Get the <li> element for the given node ID |
| | | */ |
| | | function id2dom(id) |
| | | function id2dom(id, real) |
| | | { |
| | | var domid = p.id_encode ? p.id_encode(id) : id; |
| | | return $('#' + p.id_prefix + domid); |
| | | var domid = p.id_encode ? p.id_encode(id) : id, |
| | | suffix = search_active && !real ? '--xsR' : ''; |
| | | |
| | | return $('#' + p.id_prefix + domid + suffix, container); |
| | | } |
| | | |
| | | /** |
| | |
| | | scroller.scrollTop(rel_offset + current_offset); |
| | | } |
| | | |
| | | /** |
| | | * Save node collapse state to localStorage |
| | | */ |
| | | function save_state(id, collapsed) |
| | | { |
| | | if (p.save_state && window.rcmail) { |
| | | var key = 'treelist-' + list_id; |
| | | if (!tree_state) { |
| | | tree_state = rcmail.local_storage_get_item(key, {}); |
| | | } |
| | | |
| | | if (tree_state[id] != collapsed) { |
| | | tree_state[id] = collapsed; |
| | | rcmail.local_storage_set_item(key, tree_state); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Read node collapse state from localStorage |
| | | */ |
| | | function get_state(id) |
| | | { |
| | | if (p.save_state && window.rcmail) { |
| | | if (!tree_state) { |
| | | tree_state = rcmail.local_storage_get_item('treelist-' + list_id, {}); |
| | | } |
| | | return tree_state[id]; |
| | | } |
| | | |
| | | return undefined; |
| | | } |
| | | |
| | | /** |
| | | * Handler for keyboard events on treelist |
| | | */ |
| | | function keypress(e) |
| | | { |
| | | var target = e.target || {}, |
| | | keyCode = rcube_event.get_keycode(e); |
| | | |
| | | if (!has_focus || target.nodeName == 'INPUT' && keyCode != 38 && keyCode != 40 || target.nodeName == 'TEXTAREA' || target.nodeName == 'SELECT') |
| | | return true; |
| | | |
| | | switch (keyCode) { |
| | | case 38: |
| | | case 40: |
| | | case 63232: // 'up', in safari keypress |
| | | case 63233: // 'down', in safari keypress |
| | | var li = p.keyboard ? container.find(':focus').closest('li') : []; |
| | | if (li.length) { |
| | | focus_next(li, (mod = keyCode == 38 || keyCode == 63232 ? -1 : 1)); |
| | | } |
| | | return rcube_event.cancel(e); |
| | | |
| | | case 37: // Left arrow key |
| | | case 39: // Right arrow key |
| | | var id, node, li = container.find(':focus').closest('li'); |
| | | if (li.length) { |
| | | id = dom2id(li); |
| | | node = indexbyid[id]; |
| | | if (node && node.children.length && node.collapsed != (keyCode == 37)) |
| | | toggle(id, rcube_event.get_modifier(e) == SHIFT_KEY); // toggle subtree |
| | | } |
| | | return false; |
| | | |
| | | case 9: // Tab |
| | | if (p.keyboard && p.tabexit) { |
| | | // jump to last/first item to move focus away from the treelist widget by tab |
| | | var limit = rcube_event.get_modifier(e) == SHIFT_KEY ? 'first' : 'last'; |
| | | focus_noscroll(container.find('li[role=treeitem]:has(a)')[limit]().find('a:'+limit)); |
| | | } |
| | | break; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | function focus_next(li, dir, from_child) |
| | | { |
| | | var mod = dir < 0 ? 'prev' : 'next', |
| | | next = li[mod](), limit, parent; |
| | | |
| | | if (dir > 0 && !from_child && li.children('ul[role=group]:visible').length) { |
| | | li.children('ul').children('li:first').find('a:first').focus(); |
| | | } |
| | | else if (dir < 0 && !from_child && next.children('ul[role=group]:visible').length) { |
| | | next.children('ul').children('li:last').find('a:first').focus(); |
| | | } |
| | | else if (next.length && next.find('a:first').focus().length) { |
| | | // focused |
| | | } |
| | | else { |
| | | parent = li.parent().closest('li[role=treeitem]'); |
| | | if (parent.length) |
| | | if (dir < 0) { |
| | | parent.find('a:first').focus(); |
| | | } |
| | | else { |
| | | focus_next(parent, dir, true); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Focus the given element without scrolling the list container |
| | | */ |
| | | function focus_noscroll(elem) |
| | | { |
| | | if (elem.length) { |
| | | var frame = container.parent().get(0) || { scrollTop:0 }, |
| | | y = frame.scrollTop || frame.scrollY; |
| | | elem.focus(); |
| | | frame.scrollTop = y; |
| | | } |
| | | } |
| | | |
| | | |
| | | ///// drag & drop support |
| | | |
| | | /** |
| | | * When dragging starts, compute absolute bounding boxes of the list and it's items |
| | | * for faster comparisons while mouse is moving |
| | | */ |
| | | function drag_start() |
| | | function drag_start(force) |
| | | { |
| | | if (!force && drag_active) |
| | | return; |
| | | |
| | | drag_active = true; |
| | | |
| | | var li, item, height, |
| | | pos = container.offset(); |
| | | |
| | |
| | | list_scroll_top = container.parent().scrollTop(); |
| | | pos.top += list_scroll_top; |
| | | |
| | | drag_active = true; |
| | | box_coords = { |
| | | x1: pos.left, |
| | | y1: pos.top, |
| | |
| | | */ |
| | | function drag_end() |
| | | { |
| | | if (!drag_active) |
| | | return; |
| | | |
| | | drag_active = false; |
| | | scroll_timer = null; |
| | | |
| | |
| | | } |
| | | |
| | | /** |
| | | * Determine if the given mouse coords intersect the list and one if its items |
| | | * Determine if the given mouse coords intersect the list and one of its items |
| | | */ |
| | | function intersects(mouse, highlight) |
| | | { |
| | |
| | | // no intersection with list bounding box |
| | | if (mouse.x < box_coords.x1 || mouse.x >= box_coords.x2 || mouse.top < box_coords.y1 || mouse.top >= box_coords.y2) { |
| | | // TODO: optimize performance for this operation |
| | | $('li.droptarget', container).removeClass('droptarget'); |
| | | if (highlight) |
| | | $('li.droptarget', container).removeClass('droptarget'); |
| | | return result; |
| | | } |
| | | |
| | | // check intersection with visible list items |
| | | var pos, node; |
| | | for (var id in item_coords) { |
| | | var id, pos, node; |
| | | for (id in item_coords) { |
| | | pos = item_coords[id]; |
| | | if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.top >= pos.y1 && mouse.top < pos.y2) { |
| | | node = indexbyid[id]; |
| | |
| | | autoexpand_item = id; |
| | | autoexpand_timer = setTimeout(function() { |
| | | expand(autoexpand_item); |
| | | drag_start(); // re-calculate item coords |
| | | drag_start(true); // re-calculate item coords |
| | | autoexpand_item = null; |
| | | if (ui_droppable) |
| | | $.ui.ddmanager.prepareOffsets($.ui.ddmanager.current, null); |
| | | }, p.autoexpand); |
| | | } |
| | | else if (autoexpand_timer && autoexpand_item != id) { |
| | |
| | | |
| | | return result; |
| | | } |
| | | |
| | | /** |
| | | * Wrapper for jQuery.UI.droppable() activation on this widget |
| | | * |
| | | * @param object Options as passed to regular .droppable() function |
| | | */ |
| | | function droppable(opts) |
| | | { |
| | | if (!opts) opts = {}; |
| | | |
| | | if ($.type(opts) == 'string') { |
| | | if (opts == 'destroy') { |
| | | ui_droppable = null; |
| | | } |
| | | $('li:not(.virtual)', container).droppable(opts); |
| | | return this; |
| | | } |
| | | |
| | | droppable_opts = opts; |
| | | |
| | | var my_opts = $.extend({ |
| | | greedy: true, |
| | | tolerance: 'pointer', |
| | | hoverClass: 'droptarget', |
| | | addClasses: false |
| | | }, opts); |
| | | |
| | | my_opts.activate = function(e, ui) { |
| | | drag_start(); |
| | | ui_droppable = ui; |
| | | if (opts.activate) |
| | | opts.activate(e, ui); |
| | | }; |
| | | |
| | | my_opts.deactivate = function(e, ui) { |
| | | drag_end(); |
| | | ui_droppable = null; |
| | | if (opts.deactivate) |
| | | opts.deactivate(e, ui); |
| | | }; |
| | | |
| | | my_opts.over = function(e, ui) { |
| | | intersects(rcube_event.get_mouse_pos(e), false); |
| | | if (opts.over) |
| | | opts.over(e, ui); |
| | | }; |
| | | |
| | | $('li:not(.virtual)', container).droppable(my_opts); |
| | | |
| | | return this; |
| | | } |
| | | |
| | | /** |
| | | * Wrapper for jQuery.UI.draggable() activation on this widget |
| | | * |
| | | * @param object Options as passed to regular .draggable() function |
| | | */ |
| | | function draggable(opts) |
| | | { |
| | | if (!opts) opts = {}; |
| | | |
| | | if ($.type(opts) == 'string') { |
| | | if (opts == 'destroy') { |
| | | ui_draggable = null; |
| | | } |
| | | $('li:not(.virtual)', container).draggable(opts); |
| | | return this; |
| | | } |
| | | |
| | | draggable_opts = opts; |
| | | |
| | | var my_opts = $.extend({ |
| | | appendTo: 'body', |
| | | revert: 'invalid', |
| | | iframeFix: true, |
| | | addClasses: false, |
| | | cursorAt: {left: -20, top: 5}, |
| | | create: function(e, ui) { ui_draggable = ui; }, |
| | | helper: function(e) { |
| | | return $('<div>').attr('id', 'rcmdraglayer') |
| | | .text($.trim($(e.target).first().text())); |
| | | } |
| | | }, opts); |
| | | |
| | | $('li:not(.virtual)', container).draggable(my_opts); |
| | | |
| | | return this; |
| | | } |
| | | } |
| | | |
| | | // use event processing functions from Roundcube's rcube_event_engine |