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- /**
- * Roundcube List 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) 2005-2014, 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>
- * @author Charles McNulty <charles@charlesmcnulty.com>
- *
- * @requires jquery.js, common.js
- */
-
-
- /**
- * Roundcube List Widget class
- * @constructor
- */
- function rcube_list_widget(list, p)
- {
- // static contants
- this.ENTER_KEY = 13;
- this.DELETE_KEY = 46;
- this.BACKSPACE_KEY = 8;
-
- this.list = list ? list : null;
- this.tagname = this.list ? this.list.nodeName.toLowerCase() : 'table';
- this.id_regexp = /^rcmrow([a-z0-9\-_=\+\/]+)/i;
- this.rows = {};
- this.selection = [];
- this.rowcount = 0;
- this.colcount = 0;
-
- this.subject_col = 0;
- this.modkey = 0;
- this.multiselect = false;
- this.multiexpand = false;
- this.multi_selecting = false;
- this.draggable = false;
- this.column_movable = false;
- this.keyboard = false;
- this.toggleselect = false;
- this.aria_listbox = false;
- this.parent_focus = true;
-
- this.drag_active = false;
- this.col_drag_active = false;
- this.column_fixed = null;
- this.last_selected = null;
- this.shift_start = null;
- this.focused = false;
- this.drag_mouse_start = null;
- this.dblclick_time = 500; // default value on MS Windows is 500
- this.row_init = function(){}; // @deprecated; use list.addEventListener('initrow') instead
-
- // overwrite default paramaters
- if (p && typeof p === 'object')
- for (var n in p)
- this[n] = p[n];
-
- // register this instance
- rcube_list_widget._instances.push(this);
- };
-
-
- rcube_list_widget.prototype = {
-
-
- /**
- * get all message rows from HTML table and init each row
- */
- init: function()
- {
- if (this.tagname == 'table' && this.list && this.list.tBodies[0]) {
- this.thead = this.list.tHead;
- this.tbody = this.list.tBodies[0];
- }
- else if (this.tagname != 'table' && this.list) {
- this.tbody = this.list;
- }
-
- if ($(this.list).attr('role') == 'listbox') {
- this.aria_listbox = true;
- if (this.multiselect)
- $(this.list).attr('aria-multiselectable', 'true');
- }
-
- var me = this;
-
- if (this.tbody) {
- this.rows = {};
- this.rowcount = 0;
-
- var r, len, rows = this.tbody.childNodes;
-
- for (r=0, len=rows.length; r<len; r++) {
- if (rows[r].nodeType == 1)
- this.rowcount += this.init_row(rows[r]) ? 1 : 0;
- }
-
- this.init_header();
- this.frame = this.list.parentNode;
-
- // set body events
- if (this.keyboard) {
- rcube_event.add_listener({event:'keydown', object:this, method:'key_press'});
-
- // allow the table element to receive focus.
- $(this.list).attr('tabindex', '0')
- .on('focus', function(e){ me.focus(e); });
- }
- }
-
- if (this.parent_focus) {
- this.list.parentNode.onclick = function(e) { me.focus(); };
- }
-
- return this;
- },
-
-
- /**
- * Init list row and set mouse events on it
- */
- init_row: function(row)
- {
- row.uid = this.get_row_uid(row);
-
- // make references in internal array and set event handlers
- if (row && row.uid) {
- var self = this, uid = row.uid;
- this.rows[uid] = {uid:uid, id:row.id, obj:row};
-
- $(row).data('uid', uid)
- // set eventhandlers to table row (only left-button-clicks in mouseup)
- .mousedown(function(e) { return self.drag_row(e, this.uid); })
- .mouseup(function(e) {
- if (e.which == 1 && !self.drag_active)
- return self.click_row(e, this.uid);
- else
- return true;
- });
-
- if (bw.touch && row.addEventListener) {
- row.addEventListener('touchstart', function(e) {
- if (e.touches.length == 1) {
- self.touchmoved = false;
- self.drag_row(rcube_event.touchevent(e.touches[0]), this.uid)
- }
- }, false);
- row.addEventListener('touchend', function(e) {
- if (e.changedTouches.length == 1) {
- if (!self.touchmoved && !self.click_row(rcube_event.touchevent(e.changedTouches[0]), this.uid))
- e.preventDefault();
- }
- }, false);
- row.addEventListener('touchmove', function(e) {
- if (e.changedTouches.length == 1) {
- self.touchmoved = true;
- if (self.drag_active)
- e.preventDefault();
- }
- }, false);
- }
-
- // label the list row with the subject col as descriptive label
- if (this.aria_listbox) {
- var lbl_id = 'l:' + row.id;
- $(row)
- .attr('role', 'option')
- .attr('aria-labelledby', lbl_id)
- .find(this.col_tagname()).eq(this.subject_col).attr('id', lbl_id);
- }
-
- if (document.all)
- row.onselectstart = function() { return false; };
-
- this.row_init(this.rows[uid]); // legacy support
- this.triggerEvent('initrow', this.rows[uid]);
-
- return true;
- }
- },
-
-
- /**
- * Init list column headers and set mouse events on them
- */
- init_header: function()
- {
- if (this.thead) {
- this.colcount = 0;
-
- if (this.fixed_header) { // copy (modified) fixed header back to the actual table
- $(this.list.tHead).replaceWith($(this.fixed_header).find('thead').clone());
- $(this.list.tHead).find('th,td').attr('style', '').find('a').attr('tabindex', '-1'); // remove fixed widths
- }
- else if (!bw.touch && this.list.className.indexOf('fixedheader') >= 0) {
- this.init_fixed_header();
- }
-
- var col, r, p = this;
- // add events for list columns moving
- if (this.column_movable && this.thead && this.thead.rows) {
- for (r=0; r<this.thead.rows[0].cells.length; r++) {
- if (this.column_fixed == r)
- continue;
- col = this.thead.rows[0].cells[r];
- col.onmousedown = function(e) { return p.drag_column(e, this); };
- this.colcount++;
- }
- }
- }
- },
-
- init_fixed_header: function()
- {
- var clone = $(this.list.tHead).clone();
-
- if (!this.fixed_header) {
- this.fixed_header = $('<table>')
- .attr('class', this.list.className + ' fixedcopy')
- .attr('role', 'presentation')
- .css({ position:'fixed' })
- .append(clone)
- .append('<tbody></tbody>');
- $(this.list).before(this.fixed_header);
-
- var me = this;
- $(window).resize(function() { me.resize(); });
- $(window).scroll(function() {
- var w = $(window);
- me.fixed_header.css({
- marginLeft: -w.scrollLeft() + 'px',
- marginTop: -w.scrollTop() + 'px'
- });
- });
- }
- else {
- $(this.fixed_header).find('thead').replaceWith(clone);
- }
-
- // avoid scrolling header links being focused
- $(this.list.tHead).find('a.sortcol').attr('tabindex', '-1');
-
- // set tabindex to fixed header sort links
- clone.find('a.sortcol').attr('tabindex', '0');
-
- this.thead = clone.get(0);
- this.resize();
- },
-
- resize: function()
- {
- if (!this.fixed_header)
- return;
-
- var column_widths = [];
-
- // get column widths from original thead
- $(this.tbody).parent().find('thead th,thead td').each(function(index) {
- column_widths[index] = $(this).width();
- });
-
- // apply fixed widths to fixed table header
- $(this.thead).parent().width($(this.tbody).parent().width());
- $(this.thead).find('th,td').each(function(index) {
- $(this).width(column_widths[index]);
- });
-
- $(window).scroll();
- },
-
- /**
- * Remove all list rows
- */
- clear: function(sel)
- {
- if (this.tagname == 'table') {
- var tbody = document.createElement('tbody');
- this.list.insertBefore(tbody, this.tbody);
- this.list.removeChild(this.list.tBodies[1]);
- this.tbody = tbody;
- }
- else {
- $(this.row_tagname() + ':not(.thead)', this.tbody).remove();
- }
-
- this.rows = {};
- this.rowcount = 0;
- this.last_selected = null;
-
- if (sel)
- this.clear_selection();
-
- // reset scroll position (in Opera)
- if (this.frame)
- this.frame.scrollTop = 0;
-
- // fix list header after removing any rows
- this.resize();
- },
-
-
- /**
- * 'remove' message row from list (just hide it)
- */
- remove_row: function(uid, sel_next)
- {
- var self = this, node = this.rows[uid] ? this.rows[uid].obj : null;
-
- if (!node)
- return;
-
- node.style.display = 'none';
-
- if (sel_next)
- this.select_next();
-
- delete this.rows[uid];
- this.rowcount--;
-
- // fix list header after removing any rows
- clearTimeout(this.resize_timeout)
- this.resize_timeout = setTimeout(function() { self.resize(); }, 50);
- },
-
-
- /**
- * Add row to the list and initialize it
- */
- insert_row: function(row, before)
- {
- var self = this, tbody = this.tbody;
-
- // create a real dom node first
- if (row.nodeName === undefined) {
- // for performance reasons use DOM instead of jQuery here
- var domrow = document.createElement(this.row_tagname());
-
- if (row.id) domrow.id = row.id;
- if (row.uid) domrow.uid = row.uid;
- if (row.className) domrow.className = row.className;
- if (row.style) $.extend(domrow.style, row.style);
-
- for (var e, domcell, col, i=0; row.cols && i < row.cols.length; i++) {
- col = row.cols[i];
- domcell = document.createElement(this.col_tagname());
- if (col.className) domcell.className = col.className;
- if (col.innerHTML) domcell.innerHTML = col.innerHTML;
- for (e in col.events)
- domcell['on' + e] = col.events[e];
- domrow.appendChild(domcell);
- }
-
- row = domrow;
- }
-
- if (before && tbody.childNodes.length)
- tbody.insertBefore(row, (typeof before == 'object' && before.parentNode == tbody) ? before : tbody.firstChild);
- else
- tbody.appendChild(row);
-
- this.init_row(row);
- this.rowcount++;
-
- // fix list header after adding any rows
- clearTimeout(this.resize_timeout)
- this.resize_timeout = setTimeout(function() { self.resize(); }, 50);
- },
-
- /**
- *
- */
- update_row: function(id, cols, newid, select)
- {
- var row = this.rows[id];
- if (!row) return false;
-
- var i, domrow = row.obj;
- for (i = 0; cols && i < cols.length; i++) {
- this.get_cell(domrow, i).html(cols[i]);
- }
-
- if (newid) {
- delete this.rows[id];
- domrow.uid = newid;
- domrow.id = 'rcmrow' + newid;
- this.init_row(domrow);
-
- if (select)
- this.selection[0] = newid;
-
- if (this.last_selected == id)
- this.last_selected = newid;
- }
- },
-
-
- /**
- * Set focus to the list
- */
- focus: function(e)
- {
- if (this.focused)
- return;
-
- this.focused = true;
-
- if (e)
- rcube_event.cancel(e);
-
- var focus_elem = null;
-
- if (this.last_selected && this.rows[this.last_selected]) {
- focus_elem = $(this.rows[this.last_selected].obj).find(this.col_tagname()).eq(this.subject_col).attr('tabindex', '0');
- }
-
- // Un-focus already focused elements (#1487123, #1487316, #1488600, #1488620)
- if (focus_elem && focus_elem.length) {
- // We now fix this by explicitly assigning focus to a dedicated link element
- this.focus_noscroll(focus_elem);
- }
- else {
- // It looks that window.focus() does the job for all browsers, but not Firefox (#1489058)
- $('iframe,:focus:not(body)').blur();
- window.focus();
- }
-
- $(this.list).addClass('focus').removeAttr('tabindex');
-
- // set internal focus pointer to first row
- if (!this.last_selected)
- this.select_first(CONTROL_KEY);
- },
-
-
- /**
- * remove focus from the list
- */
- blur: function(e)
- {
- this.focused = false;
-
- // avoid the table getting focus right again
- var me = this;
- setTimeout(function(){
- $(me.list).removeClass('focus').attr('tabindex', '0');
- }, 20);
-
- if (this.last_selected && this.rows[this.last_selected]) {
- $(this.rows[this.last_selected].obj)
- .find(this.col_tagname()).eq(this.subject_col).removeAttr('tabindex');
- }
- },
-
- /**
- * Focus the given element without scrolling the list container
- */
- focus_noscroll: function(elem)
- {
- var y = this.frame.scrollTop || this.frame.scrollY;
- elem.focus();
- this.frame.scrollTop = y;
- },
-
-
- /**
- * Set/unset the given column as hidden
- */
- hide_column: function(col, hide)
- {
- var method = hide ? 'addClass' : 'removeClass';
-
- if (this.fixed_header)
- $(this.row_tagname()+' '+this.col_tagname()+'.'+col, this.fixed_header)[method]('hidden');
-
- $(this.row_tagname()+' '+this.col_tagname()+'.'+col, this.list)[method]('hidden');
- },
-
-
- /**
- * onmousedown-handler of message list column
- */
- drag_column: function(e, col)
- {
- if (this.colcount > 1) {
- this.drag_start = true;
- this.drag_mouse_start = rcube_event.get_mouse_pos(e);
-
- rcube_event.add_listener({event:'mousemove', object:this, method:'column_drag_mouse_move'});
- rcube_event.add_listener({event:'mouseup', object:this, method:'column_drag_mouse_up'});
-
- // enable dragging over iframes
- this.add_dragfix();
-
- // find selected column number
- for (var i=0; i<this.thead.rows[0].cells.length; i++) {
- if (col == this.thead.rows[0].cells[i]) {
- this.selected_column = i;
- break;
- }
- }
- }
-
- return false;
- },
-
-
- /**
- * onmousedown-handler of message list row
- */
- drag_row: function(e, id)
- {
- // don't do anything (another action processed before)
- if (!this.is_event_target(e))
- return true;
-
- // accept right-clicks
- if (rcube_event.get_button(e) == 2)
- return true;
-
- this.in_selection_before = e && e.istouch || this.in_selection(id) ? id : false;
-
- // selects currently unselected row
- if (!this.in_selection_before) {
- var mod_key = rcube_event.get_modifier(e);
- this.select_row(id, mod_key, true);
- }
-
- if (this.draggable && this.selection.length && this.in_selection(id)) {
- this.drag_start = true;
- this.drag_mouse_start = rcube_event.get_mouse_pos(e);
-
- rcube_event.add_listener({event:'mousemove', object:this, method:'drag_mouse_move'});
- rcube_event.add_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
- if (bw.touch) {
- rcube_event.add_listener({event:'touchmove', object:this, method:'drag_mouse_move'});
- rcube_event.add_listener({event:'touchend', object:this, method:'drag_mouse_up'});
- }
-
- // enable dragging over iframes
- this.add_dragfix();
- }
-
- return false;
- },
-
-
- /**
- * onmouseup-handler of message list row
- */
- click_row: function(e, id)
- {
- // sanity check
- if (!id || !this.rows[id])
- return false;
-
- // don't do anything (another action processed before)
- if (!this.is_event_target(e))
- return true;
-
- var now = new Date().getTime(),
- dblclicked = now - this.rows[id].clicked < this.dblclick_time;
-
- // unselects currently selected row
- if (!this.drag_active && !dblclicked && this.in_selection_before == id)
- this.select_row(id, rcube_event.get_modifier(e), true);
-
- this.drag_start = false;
- this.in_selection_before = false;
-
- // row was double clicked
- if (this.rowcount && dblclicked && this.in_selection(id)) {
- this.triggerEvent('dblclick');
- now = 0;
- }
- else
- this.triggerEvent('click');
-
- if (!this.drag_active) {
- // remove temp divs
- this.del_dragfix();
- rcube_event.cancel(e);
- }
-
- this.rows[id].clicked = now;
- this.focus();
-
- return false;
- },
-
-
- /**
- * Check target of the current event
- */
- is_event_target: function(e)
- {
- var target = rcube_event.get_target(e),
- tagname = target.tagName.toLowerCase();
-
- return !(target && (tagname == 'input' || tagname == 'img' || (tagname != 'a' && target.onclick)));
- },
-
-
- /*
- * Returns thread root ID for specified row ID
- */
- find_root: function(uid)
- {
- var r = this.rows[uid];
-
- if (r && r.parent_uid)
- return this.find_root(r.parent_uid);
- else
- return uid;
- },
-
-
- expand_row: function(e, id)
- {
- var row = this.rows[id],
- evtarget = rcube_event.get_target(e),
- mod_key = rcube_event.get_modifier(e);
-
- // Don't treat double click on the expando as double click on the message.
- row.clicked = 0;
-
- if (row.expanded) {
- evtarget.className = 'collapsed';
- if (mod_key == CONTROL_KEY || this.multiexpand)
- this.collapse_all(row);
- else
- this.collapse(row);
- }
- else {
- evtarget.className = 'expanded';
- if (mod_key == CONTROL_KEY || this.multiexpand)
- this.expand_all(row);
- else
- this.expand(row);
- }
- },
-
- collapse: function(row)
- {
- var r, depth = row.depth,
- new_row = row ? row.obj.nextSibling : null;
-
- row.expanded = false;
- this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
-
- while (new_row) {
- if (new_row.nodeType == 1) {
- r = this.rows[new_row.uid];
- if (r && r.depth <= depth)
- break;
-
- $(new_row).css('display', 'none');
- if (r.expanded) {
- r.expanded = false;
- this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
- }
- }
- new_row = new_row.nextSibling;
- }
-
- this.resize();
- this.triggerEvent('listupdate');
-
- return false;
- },
-
- expand: function(row)
- {
- var r, p, depth, new_row, last_expanded_parent_depth;
-
- if (row) {
- row.expanded = true;
- depth = row.depth;
- new_row = row.obj.nextSibling;
- this.update_expando(row.id, true);
- this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
- }
- else {
- var tbody = this.tbody;
- new_row = tbody.firstChild;
- depth = 0;
- last_expanded_parent_depth = 0;
- }
-
- while (new_row) {
- if (new_row.nodeType == 1) {
- r = this.rows[new_row.uid];
- if (r) {
- if (row && (!r.depth || r.depth <= depth))
- break;
-
- if (r.parent_uid) {
- p = this.rows[r.parent_uid];
- if (p && p.expanded) {
- if ((row && p == row) || last_expanded_parent_depth >= p.depth - 1) {
- last_expanded_parent_depth = p.depth;
- $(new_row).css('display', '');
- r.expanded = true;
- this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
- }
- }
- else
- if (row && (! p || p.depth <= depth))
- break;
- }
- }
- }
- new_row = new_row.nextSibling;
- }
-
- this.resize();
- this.triggerEvent('listupdate');
- return false;
- },
-
-
- collapse_all: function(row)
- {
- var depth, new_row, r;
-
- if (row) {
- row.expanded = false;
- depth = row.depth;
- new_row = row.obj.nextSibling;
- this.update_expando(row.id);
- this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
-
- // don't collapse sub-root tree in multiexpand mode
- if (depth && this.multiexpand)
- return false;
- }
- else {
- new_row = this.tbody.firstChild;
- depth = 0;
- }
-
- while (new_row) {
- if (new_row.nodeType == 1) {
- if (r = this.rows[new_row.uid]) {
- if (row && (!r.depth || r.depth <= depth))
- break;
-
- if (row || r.depth)
- $(new_row).css('display', 'none');
- if (r.has_children && r.expanded) {
- r.expanded = false;
- this.update_expando(r.id, false);
- this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
- }
- }
- }
- new_row = new_row.nextSibling;
- }
-
- this.resize();
- this.triggerEvent('listupdate');
- return false;
- },
-
-
- expand_all: function(row)
- {
- var depth, new_row, r;
-
- if (row) {
- row.expanded = true;
- depth = row.depth;
- new_row = row.obj.nextSibling;
- this.update_expando(row.id, true);
- this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
- }
- else {
- new_row = this.tbody.firstChild;
- depth = 0;
- }
-
- while (new_row) {
- if (new_row.nodeType == 1) {
- if (r = this.rows[new_row.uid]) {
- if (row && r.depth <= depth)
- break;
-
- $(new_row).css('display', '');
- if (r.has_children && !r.expanded) {
- r.expanded = true;
- this.update_expando(r.id, true);
- this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
- }
- }
- }
- new_row = new_row.nextSibling;
- }
-
- this.resize();
- this.triggerEvent('listupdate');
- return false;
- },
-
-
- update_expando: function(id, expanded)
- {
- var expando = document.getElementById('rcmexpando' + id);
- if (expando)
- expando.className = expanded ? 'expanded' : 'collapsed';
- },
-
- get_row_uid: function(row)
- {
- if (!row)
- return;
-
- if (!row.uid) {
- var uid = $(row).data('uid');
- if (uid)
- row.uid = uid;
- else if (String(row.id).match(this.id_regexp))
- row.uid = RegExp.$1;
- }
-
- return row.uid;
- },
-
- /**
- * get first/next/previous/last rows that are not hidden
- */
- get_next_row: function()
- {
- if (!this.rowcount)
- return false;
-
- var last_selected_row = this.rows[this.last_selected],
- new_row = last_selected_row ? last_selected_row.obj.nextSibling : null;
-
- while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none'))
- new_row = new_row.nextSibling;
-
- return new_row;
- },
-
- get_prev_row: function()
- {
- if (!this.rowcount)
- return false;
-
- var last_selected_row = this.rows[this.last_selected],
- new_row = last_selected_row ? last_selected_row.obj.previousSibling : null;
-
- while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none'))
- new_row = new_row.previousSibling;
-
- return new_row;
- },
-
- get_first_row: function()
- {
- if (this.rowcount) {
- var i, uid, rows = this.tbody.childNodes;
-
- for (i=0; i<rows.length; i++)
- if (rows[i].id && (uid = this.get_row_uid(rows[i])))
- return uid;
- }
-
- return null;
- },
-
- get_last_row: function()
- {
- if (this.rowcount) {
- var i, uid, rows = this.tbody.childNodes;
-
- for (i=rows.length-1; i>=0; i--)
- if (rows[i].id && (uid = this.get_row_uid(rows[i])))
- return uid;
- }
-
- return null;
- },
-
- row_tagname: function()
- {
- var row_tagnames = { table:'tr', ul:'li', '*':'div' };
- return row_tagnames[this.tagname] || row_tagnames['*'];
- },
-
- col_tagname: function()
- {
- var col_tagnames = { table:'td', '*':'span' };
- return col_tagnames[this.tagname] || col_tagnames['*'];
- },
-
- get_cell: function(row, index)
- {
- return $(this.col_tagname(), row).eq(index);
- },
-
- /**
- * selects or unselects the proper row depending on the modifier key pressed
- */
- select_row: function(id, mod_key, with_mouse)
- {
- var select_before = this.selection.join(','),
- in_selection_before = this.in_selection(id);
-
- if (!this.multiselect && with_mouse)
- mod_key = 0;
-
- if (!this.shift_start)
- this.shift_start = id
-
- if (!mod_key) {
- this.shift_start = id;
- this.highlight_row(id, false);
- this.multi_selecting = false;
- }
- else {
- switch (mod_key) {
- case SHIFT_KEY:
- this.shift_select(id, false);
- break;
-
- case CONTROL_KEY:
- if (with_mouse) {
- this.shift_start = id;
- this.highlight_row(id, true);
- }
- break;
-
- case CONTROL_SHIFT_KEY:
- this.shift_select(id, true);
- break;
-
- default:
- this.highlight_row(id, false);
- break;
- }
-
- this.multi_selecting = true;
- }
-
- if (this.last_selected && this.rows[this.last_selected]) {
- $(this.rows[this.last_selected].obj).removeClass('focused')
- .find(this.col_tagname()).eq(this.subject_col).removeAttr('tabindex');
- }
-
- // unselect if toggleselect is active and the same row was clicked again
- if (this.toggleselect && in_selection_before && !mod_key) {
- this.clear_selection();
- }
- // trigger event if selection changed
- else if (this.selection.join(',') != select_before) {
- this.triggerEvent('select');
- }
-
- if (this.rows[id]) {
- $(this.rows[id].obj).addClass('focused');
- // set cursor focus to link inside selected row
- if (this.focused)
- this.focus_noscroll($(this.rows[id].obj).find(this.col_tagname()).eq(this.subject_col).attr('tabindex', '0'));
- }
-
- if (!this.selection.length)
- this.shift_start = null;
-
- this.last_selected = id;
- },
-
-
- /**
- * Alias method for select_row
- */
- select: function(id)
- {
- this.select_row(id, false);
- this.scrollto(id);
- },
-
-
- /**
- * Select row next to the last selected one.
- * Either below or above.
- */
- select_next: function()
- {
- var next_row = this.get_next_row(),
- prev_row = this.get_prev_row(),
- new_row = (next_row) ? next_row : prev_row;
-
- if (new_row)
- this.select_row(new_row.uid, false, false);
- },
-
-
- /**
- * Select first row
- */
- select_first: function(mod_key)
- {
- var row = this.get_first_row();
- if (row) {
- this.select_row(row, mod_key, false);
- this.scrollto(row);
- }
- },
-
-
- /**
- * Select last row
- */
- select_last: function(mod_key)
- {
- var row = this.get_last_row();
- if (row) {
- this.select_row(row, mod_key, false);
- this.scrollto(row);
- }
- },
-
-
- /**
- * Add all childs of the given row to selection
- */
- select_children: function(uid)
- {
- var i, children = this.row_children(uid), len = children.length;
-
- for (i=0; i<len; i++)
- if (!this.in_selection(children[i]))
- this.select_row(children[i], CONTROL_KEY, true);
- },
-
-
- /**
- * Perform selection when shift key is pressed
- */
- shift_select: function(id, control)
- {
- if (!this.rows[this.shift_start] || !this.selection.length)
- this.shift_start = id;
-
- var n, i, j, to_row = this.rows[id],
- from_rowIndex = this._rowIndex(this.rows[this.shift_start].obj),
- to_rowIndex = this._rowIndex(to_row.obj);
-
- // if we're going down the list, and we hit a thread, and it's closed, select the whole thread
- if (from_rowIndex < to_rowIndex && !to_row.expanded && to_row.has_children)
- if (to_row = this.rows[(this.row_children(id)).pop()])
- to_rowIndex = this._rowIndex(to_row.obj);
-
- i = ((from_rowIndex < to_rowIndex) ? from_rowIndex : to_rowIndex),
- j = ((from_rowIndex > to_rowIndex) ? from_rowIndex : to_rowIndex);
-
- // iterate through the entire message list
- for (n in this.rows) {
- if (this._rowIndex(this.rows[n].obj) >= i && this._rowIndex(this.rows[n].obj) <= j) {
- if (!this.in_selection(n)) {
- this.highlight_row(n, true);
- }
- }
- else {
- if (this.in_selection(n) && !control) {
- this.highlight_row(n, true);
- }
- }
- }
- },
-
-
- /**
- * Helper method to emulate the rowIndex property of non-tr elements
- */
- _rowIndex: function(obj)
- {
- return (obj.rowIndex !== undefined) ? obj.rowIndex : $(obj).prevAll().length;
- },
-
- /**
- * Check if given id is part of the current selection
- */
- in_selection: function(id, index)
- {
- for (var n in this.selection)
- if (this.selection[n] == id)
- return index ? parseInt(n) : true;
-
- return false;
- },
-
-
- /**
- * Select each row in list
- */
- select_all: function(filter)
- {
- if (!this.rowcount)
- return false;
-
- // reset but remember selection first
- var n, select_before = this.selection.join(',');
- this.selection = [];
-
- for (n in this.rows) {
- if (!filter || this.rows[n][filter] == true) {
- this.last_selected = n;
- this.highlight_row(n, true, true);
- }
- else {
- $(this.rows[n].obj).removeClass('selected').removeAttr('aria-selected');
- }
- }
-
- // trigger event if selection changed
- if (this.selection.join(',') != select_before)
- this.triggerEvent('select');
-
- this.focus();
-
- return true;
- },
-
-
- /**
- * Invert selection
- */
- invert_selection: function()
- {
- if (!this.rowcount)
- return false;
-
- // remember old selection
- var n, select_before = this.selection.join(',');
-
- for (n in this.rows)
- this.highlight_row(n, true);
-
- // trigger event if selection changed
- if (this.selection.join(',') != select_before)
- this.triggerEvent('select');
-
- this.focus();
-
- return true;
- },
-
-
- /**
- * Unselect selected row(s)
- */
- clear_selection: function(id, no_event)
- {
- var n, num_select = this.selection.length;
-
- // one row
- if (id) {
- for (n in this.selection)
- if (this.selection[n] == id) {
- this.selection.splice(n,1);
- break;
- }
- }
- // all rows
- else {
- for (n in this.selection)
- if (this.rows[this.selection[n]]) {
- $(this.rows[this.selection[n]].obj).removeClass('selected').removeAttr('aria-selected');
- }
-
- this.selection = [];
- }
-
- if (num_select && !this.selection.length && !no_event) {
- this.triggerEvent('select');
- this.last_selected = null;
- }
- },
-
-
- /**
- * Getter for the selection array
- */
- get_selection: function(deep)
- {
- var res = $.merge([], this.selection);
-
- // return children of selected threads even if only root is selected
- if (deep !== false && res.length) {
- for (var uid, uids, i=0, len=res.length; i<len; i++) {
- uid = res[i];
- if (this.rows[uid] && this.rows[uid].has_children && !this.rows[uid].expanded) {
- uids = this.row_children(uid);
- for (var j=0, uids_len=uids.length; j<uids_len; j++) {
- uid = uids[j];
- if (!this.in_selection(uid))
- res.push(uid);
- }
- }
- }
- }
-
- return res;
- },
-
-
- /**
- * Return the ID if only one row is selected
- */
- get_single_selection: function()
- {
- if (this.selection.length == 1)
- return this.selection[0];
- else
- return null;
- },
-
-
- /**
- * Highlight/unhighlight a row
- */
- highlight_row: function(id, multiple, norecur)
- {
- if (!this.rows[id])
- return;
-
- if (!multiple) {
- if (this.selection.length > 1 || !this.in_selection(id)) {
- this.clear_selection(null, true);
- this.selection[0] = id;
- $(this.rows[id].obj).addClass('selected').attr('aria-selected', 'true');
- }
- }
- else {
- var pre, post, p = this.in_selection(id, true);
-
- if (p === false) { // select row
- this.selection.push(id);
- $(this.rows[id].obj).addClass('selected').attr('aria-selected', 'true');
- if (!norecur && !this.rows[id].expanded)
- this.highlight_children(id, true);
- }
- else { // unselect row
- pre = this.selection.slice(0, p);
- post = this.selection.slice(p+1, this.selection.length);
-
- this.selection = pre.concat(post);
- $(this.rows[id].obj).removeClass('selected').removeAttr('aria-selected');
- if (!norecur && !this.rows[id].expanded)
- this.highlight_children(id, false);
- }
- }
- },
-
-
- /**
- * Highlight/unhighlight all childs of the given row
- */
- highlight_children: function(id, status)
- {
- var i, selected,
- children = this.row_children(id), len = children.length;
-
- for (i=0; i<len; i++) {
- selected = this.in_selection(children[i]);
- if ((status && !selected) || (!status && selected))
- this.highlight_row(children[i], true, true);
- }
- },
-
-
- /**
- * Handler for keyboard events
- */
- key_press: function(e)
- {
- var target = e.target || {};
-
- if (this.focused != true || target.nodeName == 'INPUT' || target.nodeName == 'TEXTAREA' || target.nodeName == 'SELECT')
- return true;
-
- var keyCode = rcube_event.get_keycode(e),
- mod_key = rcube_event.get_modifier(e);
-
- switch (keyCode) {
- case 40:
- case 38:
- case 63233: // "down", in safari keypress
- case 63232: // "up", in safari keypress
- // Stop propagation so that the browser doesn't scroll
- rcube_event.cancel(e);
- return this.use_arrow_key(keyCode, mod_key);
-
- case 32:
- rcube_event.cancel(e);
- return this.select_row(this.last_selected, mod_key, true);
-
- case 37: // Left arrow key
- case 39: // Right arrow key
- // Stop propagation
- rcube_event.cancel(e);
- var ret = this.use_arrow_key(keyCode, mod_key);
- this.key_pressed = keyCode;
- this.modkey = mod_key;
- this.triggerEvent('keypress');
- this.modkey = 0;
- return ret;
-
- case 36: // Home
- this.select_first(mod_key);
- return rcube_event.cancel(e);
-
- case 35: // End
- this.select_last(mod_key);
- return rcube_event.cancel(e);
-
- case 27:
- if (this.drag_active)
- return this.drag_mouse_up(e);
-
- if (this.col_drag_active) {
- this.selected_column = null;
- return this.column_drag_mouse_up(e);
- }
-
- return rcube_event.cancel(e);
-
- case 9: // Tab
- this.blur();
- break;
-
- case 13: // Enter
- if (!this.selection.length)
- this.select_row(this.last_selected, mod_key, false);
-
- default:
- this.key_pressed = keyCode;
- this.modkey = mod_key;
- this.triggerEvent('keypress');
- this.modkey = 0;
-
- if (this.key_pressed == this.BACKSPACE_KEY)
- return rcube_event.cancel(e);
- }
-
- return true;
- },
-
-
- /**
- * Special handling method for arrow keys
- */
- use_arrow_key: function(keyCode, mod_key)
- {
- var new_row,
- selected_row = this.rows[this.last_selected];
-
- // Safari uses the nonstandard keycodes 63232/63233 for up/down, if we're
- // using the keypress event (but not the keydown or keyup event).
- if (keyCode == 40 || keyCode == 63233) // down arrow key pressed
- new_row = this.get_next_row();
- else if (keyCode == 38 || keyCode == 63232) // up arrow key pressed
- new_row = this.get_prev_row();
- else {
- if (!selected_row || !selected_row.has_children)
- return;
-
- // expand
- if (keyCode == 39) {
- if (selected_row.expanded)
- return;
-
- if (mod_key == CONTROL_KEY || this.multiexpand)
- this.expand_all(selected_row);
- else
- this.expand(selected_row);
- }
- // collapse
- else {
- if (!selected_row.expanded)
- return;
-
- if (mod_key == CONTROL_KEY || this.multiexpand)
- this.collapse_all(selected_row);
- else
- this.collapse(selected_row);
- }
-
- this.update_expando(selected_row.id, selected_row.expanded);
-
- return false;
- }
-
- if (new_row) {
- // simulate ctr-key if no rows are selected
- if (!mod_key && !this.selection.length)
- mod_key = CONTROL_KEY;
-
- this.select_row(new_row.uid, mod_key, false);
- this.scrollto(new_row.uid);
- }
- else if (!new_row && !selected_row) {
- // select the first row if none selected yet
- this.select_first(CONTROL_KEY);
- }
-
- return false;
- },
-
-
- /**
- * Try to scroll the list to make the specified row visible
- */
- scrollto: function(id)
- {
- var row = this.rows[id] ? this.rows[id].obj : null;
-
- if (row && this.frame) {
- var scroll_to = Number(row.offsetTop),
- head_offset = 0;
-
- // expand thread if target row is hidden (collapsed)
- if (!scroll_to && this.rows[id].parent_uid) {
- var parent = this.find_root(this.rows[id].uid);
- this.expand_all(this.rows[parent]);
- scroll_to = Number(row.offsetTop);
- }
-
- if (this.fixed_header)
- head_offset = Number(this.thead.offsetHeight);
-
- // if row is above the frame (or behind header)
- if (scroll_to < Number(this.frame.scrollTop) + head_offset) {
- // scroll window so that row isn't behind header
- this.frame.scrollTop = scroll_to - head_offset;
- }
- else if (scroll_to + Number(row.offsetHeight) > Number(this.frame.scrollTop) + Number(this.frame.offsetHeight))
- this.frame.scrollTop = (scroll_to + Number(row.offsetHeight)) - Number(this.frame.offsetHeight);
- }
- },
-
-
- /**
- * Handler for mouse move events
- */
- drag_mouse_move: function(e)
- {
- // convert touch event
- if (e.type == 'touchmove') {
- if (e.touches.length == 1 && e.changedTouches.length == 1)
- e = rcube_event.touchevent(e.changedTouches[0]);
- else
- return rcube_event.cancel(e);
- }
-
- if (this.drag_start) {
- // check mouse movement, of less than 3 pixels, don't start dragging
- var m = rcube_event.get_mouse_pos(e),
- limit = 10, selection = [], self = this;
-
- if (!this.drag_mouse_start || (Math.abs(m.x - this.drag_mouse_start.x) < 3 && Math.abs(m.y - this.drag_mouse_start.y) < 3))
- return false;
-
- // remember dragging start position
- this.drag_start_pos = {left: m.x, top: m.y};
-
- // initialize drag layer
- if (!this.draglayer)
- this.draglayer = $('<div>').attr('id', 'rcmdraglayer')
- .css({position: 'absolute', display: 'none', 'z-index': 2000})
- .appendTo(document.body);
- else
- this.draglayer.html('');
-
- // get selected rows (in display order), don't use this.selection here
- $(this.row_tagname() + '.selected', this.tbody).each(function() {
- var uid = self.get_row_uid(this), row = self.rows[uid];
-
- if (!row || $.inArray(uid, selection) > -1)
- return;
-
- selection.push(uid);
-
- // also handle children of (collapsed) trees for dragging (they might be not selected)
- if (row.has_children && !row.expanded)
- $.each(self.row_children(uid), function() {
- if ($.inArray(this, selection) > -1)
- return;
- selection.push(this);
- });
-
- // break the loop asap
- if (selection.length > limit + 1)
- return false;
- });
-
- // append subject (of every row up to the limit) to the drag layer
- $.each(selection, function(i, uid) {
- if (i > limit) {
- self.draglayer.append('...');
- return false;
- }
-
- $('> ' + self.col_tagname(), self.rows[uid].obj).each(function(n, cell) {
- if (self.subject_col < 0 || (self.subject_col >= 0 && self.subject_col == n)) {
- // remove elements marked with "skip-on-drag" class
- cell = $(cell).clone();
- $(cell).find('.skip-on-drag').remove();
-
- var subject = cell.text();
-
- if (subject) {
- // remove leading spaces
- subject = $.trim(subject);
- // truncate line to 50 characters
- subject = (subject.length > 50 ? subject.substring(0, 50) + '...' : subject);
-
- self.draglayer.append($('<div>').text(subject));
- return false;
- }
- }
- });
- });
-
- this.draglayer.show();
- this.drag_active = true;
- this.triggerEvent('dragstart');
- }
-
- if (this.drag_active && this.draglayer) {
- var pos = rcube_event.get_mouse_pos(e);
- this.draglayer.css({ left:(pos.x+20)+'px', top:(pos.y-5 + (bw.ie ? document.documentElement.scrollTop : 0))+'px' });
- this.triggerEvent('dragmove', e?e:window.event);
- }
-
- this.drag_start = false;
-
- return false;
- },
-
-
- /**
- * Handler for mouse up events
- */
- drag_mouse_up: function(e)
- {
- document.onmousemove = null;
-
- if (e.type == 'touchend') {
- if (e.changedTouches.length != 1)
- return rcube_event.cancel(e);
- }
-
- if (this.draglayer && this.draglayer.is(':visible')) {
- if (this.drag_start_pos)
- this.draglayer.animate(this.drag_start_pos, 300, 'swing').hide(20);
- else
- this.draglayer.hide();
- }
-
- if (this.drag_active)
- this.focus();
- this.drag_active = false;
-
- rcube_event.remove_listener({event:'mousemove', object:this, method:'drag_mouse_move'});
- rcube_event.remove_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
-
- if (bw.touch) {
- rcube_event.remove_listener({event:'touchmove', object:this, method:'drag_mouse_move'});
- rcube_event.remove_listener({event:'touchend', object:this, method:'drag_mouse_up'});
- }
-
- // remove temp divs
- this.del_dragfix();
-
- this.triggerEvent('dragend', e);
-
- return rcube_event.cancel(e);
- },
-
-
- /**
- * Handler for mouse move events for dragging list column
- */
- column_drag_mouse_move: function(e)
- {
- if (this.drag_start) {
- // check mouse movement, of less than 3 pixels, don't start dragging
- var i, m = rcube_event.get_mouse_pos(e);
-
- if (!this.drag_mouse_start || (Math.abs(m.x - this.drag_mouse_start.x) < 3 && Math.abs(m.y - this.drag_mouse_start.y) < 3))
- return false;
-
- if (!this.col_draglayer) {
- var lpos = $(this.list).offset(),
- cells = this.thead.rows[0].cells;
-
- // fix layer position when list is scrolled
- lpos.top += this.list.scrollTop + this.list.parentNode.scrollTop;
-
- // create dragging layer
- this.col_draglayer = $('<div>').attr('id', 'rcmcoldraglayer')
- .css(lpos).css({ position:'absolute', 'z-index':2001,
- 'background-color':'white', opacity:0.75,
- height: (this.frame.offsetHeight-2)+'px', width: (this.frame.offsetWidth-2)+'px' })
- .appendTo(document.body)
- // ... and column position indicator
- .append($('<div>').attr('id', 'rcmcolumnindicator')
- .css({ position:'absolute', 'border-right':'2px dotted #555',
- 'z-index':2002, height: (this.frame.offsetHeight-2)+'px' }));
-
- this.cols = [];
- this.list_pos = this.list_min_pos = lpos.left;
- // save columns positions
- for (i=0; i<cells.length; i++) {
- this.cols[i] = cells[i].offsetWidth;
- if (this.column_fixed !== null && i <= this.column_fixed) {
- this.list_min_pos += this.cols[i];
- }
- }
- }
-
- this.col_draglayer.show();
- this.col_drag_active = true;
- this.triggerEvent('column_dragstart');
- }
-
- // set column indicator position
- if (this.col_drag_active && this.col_draglayer) {
- var i, cpos = 0, pos = rcube_event.get_mouse_pos(e);
-
- for (i=0; i<this.cols.length; i++) {
- if (pos.x >= this.cols[i]/2 + this.list_pos + cpos)
- cpos += this.cols[i];
- else
- break;
- }
-
- // handle fixed columns on left
- if (i == 0 && this.list_min_pos > pos.x)
- cpos = this.list_min_pos - this.list_pos;
- // empty list needs some assignment
- else if (!this.list.rowcount && i == this.cols.length)
- cpos -= 2;
- $('#rcmcolumnindicator').css({ width: cpos+'px'});
- this.triggerEvent('column_dragmove', e?e:window.event);
- }
-
- this.drag_start = false;
-
- return false;
- },
-
-
- /**
- * Handler for mouse up events for dragging list columns
- */
- column_drag_mouse_up: function(e)
- {
- document.onmousemove = null;
-
- if (this.col_draglayer) {
- (this.col_draglayer).remove();
- this.col_draglayer = null;
- }
-
- rcube_event.remove_listener({event:'mousemove', object:this, method:'column_drag_mouse_move'});
- rcube_event.remove_listener({event:'mouseup', object:this, method:'column_drag_mouse_up'});
-
- // remove temp divs
- this.del_dragfix();
-
- if (this.col_drag_active) {
- this.col_drag_active = false;
- this.focus();
- this.triggerEvent('column_dragend', e);
-
- if (this.selected_column !== null && this.cols && this.cols.length) {
- var i, cpos = 0, pos = rcube_event.get_mouse_pos(e);
-
- // find destination position
- for (i=0; i<this.cols.length; i++) {
- if (pos.x >= this.cols[i]/2 + this.list_pos + cpos)
- cpos += this.cols[i];
- else
- break;
- }
-
- if (i != this.selected_column && i != this.selected_column+1) {
- this.column_replace(this.selected_column, i);
- }
- }
- }
-
- return rcube_event.cancel(e);
- },
-
-
- /**
- * Returns IDs of all rows in a thread (except root) for specified root
- */
- row_children: function(uid)
- {
- if (!this.rows[uid] || !this.rows[uid].has_children)
- return [];
-
- var res = [], depth = this.rows[uid].depth,
- row = this.rows[uid].obj.nextSibling;
-
- while (row) {
- if (row.nodeType == 1) {
- if (r = this.rows[row.uid]) {
- if (!r.depth || r.depth <= depth)
- break;
- res.push(r.uid);
- }
- }
- row = row.nextSibling;
- }
-
- return res;
- },
-
-
- /**
- * Creates a layer for drag&drop over iframes
- */
- add_dragfix: function()
- {
- $('iframe').each(function() {
- $('<div class="iframe-dragdrop-fix"></div>')
- .css({background: '#fff',
- width: this.offsetWidth+'px', height: this.offsetHeight+'px',
- position: 'absolute', opacity: '0.001', zIndex: 1000
- })
- .css($(this).offset())
- .appendTo(document.body);
- });
- },
-
-
- /**
- * Removes the layer for drag&drop over iframes
- */
- del_dragfix: function()
- {
- $('div.iframe-dragdrop-fix').remove();
- },
-
-
- /**
- * Replaces two columns
- */
- column_replace: function(from, to)
- {
- // only supported for <table> lists
- if (!this.thead || !this.thead.rows)
- return;
-
- var len, cells = this.thead.rows[0].cells,
- elem = cells[from],
- before = cells[to],
- td = document.createElement('td');
-
- // replace header cells
- if (before)
- cells[0].parentNode.insertBefore(td, before);
- else
- cells[0].parentNode.appendChild(td);
- cells[0].parentNode.replaceChild(elem, td);
-
- // replace list cells
- for (r=0, len=this.tbody.rows.length; r<len; r++) {
- row = this.tbody.rows[r];
-
- elem = row.cells[from];
- before = row.cells[to];
- td = document.createElement('td');
-
- if (before)
- row.insertBefore(td, before);
- else
- row.appendChild(td);
- row.replaceChild(elem, td);
- }
-
- // update subject column position
- if (this.subject_col == from)
- this.subject_col = to > from ? to - 1 : to;
- else if (this.subject_col < from && to <= this.subject_col)
- this.subject_col++;
- else if (this.subject_col > from && to >= this.subject_col)
- this.subject_col--;
-
- if (this.fixed_header)
- this.init_header();
-
- this.triggerEvent('column_replace');
- }
-
- };
-
- rcube_list_widget.prototype.addEventListener = rcube_event_engine.prototype.addEventListener;
- rcube_list_widget.prototype.removeEventListener = rcube_event_engine.prototype.removeEventListener;
- rcube_list_widget.prototype.triggerEvent = rcube_event_engine.prototype.triggerEvent;
-
- // static
- rcube_list_widget._instances = [];
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