/* +-----------------------------------------------------------------------+ | Roundcube List Widget | | | | This file is part of the Roundcube Webmail client | | Copyright (C) 2006-2009, 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> | | Charles McNulty <charles@charlesmcnulty.com> | +-----------------------------------------------------------------------+ | Requires: common.js | +-----------------------------------------------------------------------+ */ /** * Roundcube List Widget class * @contructor */ 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.frame = null; this.rows = []; this.selection = []; this.rowcount = 0; this.colcount = 0; this.subject_col = -1; 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.dont_select = false; this.drag_active = false; this.col_drag_active = false; this.column_fixed = null; this.last_selected = 0; this.shift_start = 0; this.in_selection_before = false; this.focused = false; this.drag_mouse_start = null; this.dblclick_time = 600; this.row_init = function(){}; // overwrite default paramaters if (p && typeof p === 'object') for (var n in p) this[n] = p[n]; }; rcube_list_widget.prototype = { /** * get all message rows from HTML table and init each row */ init: function() { if (this.list && this.list.tBodies[0]) { this.rows = []; this.rowcount = 0; var r, len, rows = this.list.tBodies[0].rows; for (r=0, len=rows.length; r<len; r++) { this.init_row(rows[r]); this.rowcount++; } this.init_header(); this.frame = this.list.parentNode; // set body events if (this.keyboard) { rcube_event.add_listener({event:bw.opera?'keypress':'keydown', object:this, method:'key_press'}); rcube_event.add_listener({event:'keydown', object:this, method:'key_down'}); } } }, /** * Init list row and set mouse events on it */ init_row: function(row) { // make references in internal array and set event handlers if (row && String(row.id).match(/^rcmrow([a-z0-9\-_=\+\/]+)/i)) { var self = this, uid = RegExp.$1; row.uid = uid; this.rows[uid] = {uid:uid, id:row.id, obj:row}; // set eventhandlers to table row row.onmousedown = function(e){ return self.drag_row(e, this.uid); }; row.onmouseup = function(e){ return self.click_row(e, this.uid); }; if (bw.mobile) { row.addEventListener('touchstart', function(e) { if (e.touches.length == 1) { if (!self.drag_row(rcube_event.touchevent(e.touches[0]), this.uid)) e.preventDefault(); } }, false); row.addEventListener('touchend', function(e) { if (e.changedTouches.length == 1) if (!self.click_row(rcube_event.touchevent(e.changedTouches[0]), this.uid)) e.preventDefault(); }, false); } if (document.all) row.onselectstart = function() { return false; }; this.row_init(this.rows[uid]); } }, /** * Init list column headers and set mouse events on them */ init_header: function() { if (this.list && this.list.tHead) { this.colcount = 0; var col, r, p = this; // add events for list columns moving if (this.column_movable && this.list.tHead && this.list.tHead.rows) { for (r=0; r<this.list.tHead.rows[0].cells.length; r++) { if (this.column_fixed == r) continue; col = this.list.tHead.rows[0].cells[r]; col.onmousedown = function(e){ return p.drag_column(e, this); }; this.colcount++; } } } }, /** * Remove all list rows */ clear: function(sel) { var tbody = document.createElement('tbody'); this.list.insertBefore(tbody, this.list.tBodies[0]); this.list.removeChild(this.list.tBodies[1]); this.rows = []; this.rowcount = 0; if (sel) this.clear_selection(); // reset scroll position (in Opera) if (this.frame) this.frame.scrollTop = 0; }, /** * 'remove' message row from list (just hide it) */ remove_row: function(uid, sel_next) { var obj = this.rows[uid] ? this.rows[uid].obj : null; if (!obj) return; obj.style.display = 'none'; if (sel_next) this.select_next(); delete this.rows[uid]; this.rowcount--; }, /** * Add row to the list and initialize it */ insert_row: function(row, attop) { var tbody = this.list.tBodies[0]; if (attop && tbody.rows.length) tbody.insertBefore(row, tbody.firstChild); else tbody.appendChild(row); this.init_row(row); this.rowcount++; }, /** * Set focus to the list */ focus: function(e) { var n, id; this.focused = true; for (n in this.selection) { id = this.selection[n]; if (this.rows[id] && this.rows[id].obj) { $(this.rows[id].obj).addClass('selected').removeClass('unfocused'); } } // Un-focus already focused elements (#1487123, #1487316, #1488600, #1488620) $(':focus:not(body)').blur(); $('iframe').each(function() { this.blur(); }); if (e || (e = window.event)) rcube_event.cancel(e); }, /** * remove focus from the list */ blur: function() { var n, id; this.focused = false; for (n in this.selection) { id = this.selection[n]; if (this.rows[id] && this.rows[id].obj) { $(this.rows[id].obj).removeClass('selected focused').addClass('unfocused'); } } }, /** * 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.list.tHead.rows[0].cells.length; i++) { if (col == this.list.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) var evtarget = rcube_event.get_target(e), tagname = evtarget.tagName.toLowerCase(); if (this.dont_select || (evtarget && (tagname == 'input' || tagname == 'img'))) return true; // accept right-clicks if (rcube_event.get_button(e) == 2) return true; this.in_selection_before = 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, false); } if (this.draggable && this.selection.length) { 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.mobile) { 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) { var now = new Date().getTime(), mod_key = rcube_event.get_modifier(e), evtarget = rcube_event.get_target(e), tagname = evtarget.tagName.toLowerCase(); if ((evtarget && (tagname == 'input' || tagname == 'img'))) return true; // don't do anything (another action processed before) if (this.dont_select) { this.dont_select = false; return false; } var dblclicked = now - this.rows[id].clicked < this.dblclick_time; // unselects currently selected row if (!this.drag_active && this.in_selection_before == id && !dblclicked) this.select_row(id, mod_key, false); this.drag_start = false; this.in_selection_before = false; // row was double clicked if (this.rows && 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; return false; }, /* * 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 select this message this.dont_select = true; // 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) { row.expanded = false; this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj }); var depth = row.depth; var new_row = row ? row.obj.nextSibling : null; var r; while (new_row) { if (new_row.nodeType == 1) { var 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; } 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.uid, true); this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj }); } else { var tbody = this.list.tBodies[0]; 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; } 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.uid); 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.list.tBodies[0].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.uid, false); this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row }); } } } new_row = new_row.nextSibling; } 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.uid, true); this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj }); } else { new_row = this.list.tBodies[0].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.uid, true); this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row }); } } } new_row = new_row.nextSibling; } return false; }, update_expando: function(uid, expanded) { var expando = document.getElementById('rcmexpando' + uid); if (expando) expando.className = expanded ? 'expanded' : 'collapsed'; }, /** * get first/next/previous/last rows that are not hidden */ get_next_row: function() { if (!this.rows) 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.rows) 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, len, rows = this.list.tBodies[0].rows; for (i=0, len=rows.length-1; i<len; i++) if (rows[i].id && String(rows[i].id).match(/^rcmrow([a-z0-9\-_=\+\/]+)/i) && this.rows[RegExp.$1] != null) return RegExp.$1; } return null; }, get_last_row: function() { if (this.rowcount) { var i, rows = this.list.tBodies[0].rows; for (i=rows.length-1; i>=0; i--) if (rows[i].id && String(rows[i].id).match(/^rcmrow([a-z0-9\-_=\+\/]+)/i) && this.rows[RegExp.$1] != null) return RegExp.$1; } return null; }, /** * 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(','); if (!this.multiselect) 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.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; } // trigger event if selection changed if (this.selection.join(',') != select_before) this.triggerEvent('select'); if (this.last_selected != 0 && this.rows[this.last_selected]) $(this.rows[this.last_selected].obj).removeClass('focused'); // unselect if toggleselect is active and the same row was clicked again if (this.toggleselect && this.last_selected == id) { this.clear_selection(); id = null; } else $(this.rows[id].obj).addClass('focused'); 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) { if (mod_key) { this.shift_select(row, mod_key); this.triggerEvent('select'); this.scrollto(row); } else { this.select(row); } } }, /** * Select last row */ select_last: function(mod_key) { var row = this.get_last_row(); if (row) { if (mod_key) { this.shift_select(row, mod_key); this.triggerEvent('select'); this.scrollto(row); } else { this.select(row); } } }, /** * Add all childs of the given row to selection */ select_childs: function(uid) { if (!this.rows[uid] || !this.rows[uid].has_children) return; var 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; if (!this.in_selection(r.uid)) this.select_row(r.uid, CONTROL_KEY); } } row = row.nextSibling; } }, /** * 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, from_rowIndex = this.rows[this.shift_start].obj.rowIndex, to_rowIndex = this.rows[id].obj.rowIndex, 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.rows[n].obj.rowIndex >= i && this.rows[n].obj.rowIndex <= j) { if (!this.in_selection(n)) { this.highlight_row(n, true); } } else { if (this.in_selection(n) && !control) { this.highlight_row(n, true); } } } }, /** * Check if given id is part of the current selection */ in_selection: function(id) { for (var n in this.selection) if (this.selection[n]==id) return true; return false; }, /** * Select each row in list */ select_all: function(filter) { if (!this.rows || !this.rows.length) 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); } else { $(this.rows[n].obj).removeClass('selected').removeClass('unfocused'); } } // 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.rows || !this.rows.length) 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) { 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').removeClass('unfocused'); } this.selection = []; } if (num_select && !this.selection.length) this.triggerEvent('select'); }, /** * Getter for the selection array */ get_selection: function() { return this.selection; }, /** * 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) { if (this.rows[id] && !multiple) { if (this.selection.length > 1 || !this.in_selection(id)) { this.clear_selection(); this.selection[0] = id; $(this.rows[id].obj).addClass('selected'); } } else if (this.rows[id]) { if (!this.in_selection(id)) { // select row this.selection[this.selection.length] = id; $(this.rows[id].obj).addClass('selected'); } else { // unselect row var p = $.inArray(id, this.selection), a_pre = this.selection.slice(0, p), a_post = this.selection.slice(p+1, this.selection.length); this.selection = a_pre.concat(a_post); $(this.rows[id].obj).removeClass('selected').removeClass('unfocused'); } } }, /** * 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 61: case 107: // Plus sign on a numeric keypad (fc11 + firefox 3.5.2) case 109: case 32: // Stop propagation rcube_event.cancel(e); var ret = this.use_plusminus_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); 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; }, /** * Handler for keydown events */ key_down: function(e) { var target = e.target || {}; if (this.focused != true || target.nodeName == 'INPUT' || target.nodeName == 'TEXTAREA' || target.nodeName == 'SELECT') return true; switch (rcube_event.get_keycode(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); } case 40: case 38: case 63233: case 63232: case 61: case 107: case 109: case 32: if (!rcube_event.get_modifier(e) && this.focused) return rcube_event.cancel(e); default: } return true; }, /** * Special handling method for arrow keys */ use_arrow_key: function(keyCode, mod_key) { var new_row; // 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(); if (new_row) { this.select_row(new_row.uid, mod_key, false); this.scrollto(new_row.uid); } return false; }, /** * Special handling method for +/- keys */ use_plusminus_key: function(keyCode, mod_key) { var selected_row = this.rows[this.last_selected]; if (!selected_row) return; if (keyCode == 32) keyCode = selected_row.expanded ? 109 : 61; if (keyCode == 61 || keyCode == 107) if (mod_key == CONTROL_KEY || this.multiexpand) this.expand_all(selected_row); else this.expand(selected_row); else if (mod_key == CONTROL_KEY || this.multiexpand) this.collapse_all(selected_row); else this.collapse(selected_row); this.update_expando(selected_row.uid, selected_row.expanded); return false; }, /** * Try to scroll the list to make the specified row visible */ scrollto: function(id) { var row = this.rows[id].obj; if (row && this.frame) { var scroll_to = Number(row.offsetTop); // 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 (scroll_to < Number(this.frame.scrollTop)) this.frame.scrollTop = scroll_to; 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.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); 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.draglayer) this.draglayer = $('<div>').attr('id', 'rcmdraglayer') .css({ position:'absolute', display:'none', 'z-index':2000 }) .appendTo(document.body); // also select childs of (collapsed) threads for dragging var n, uid, selection = $.merge([], this.selection); for (n in selection) { uid = selection[n]; if (this.rows[uid].has_children && !this.rows[uid].expanded) this.select_childs(uid); } // reset content this.draglayer.html(''); // get subjects of selected messages var c, i, n, subject, obj; for (n=0; n<this.selection.length; n++) { // only show 12 lines if (n>12) { this.draglayer.append('...'); break; } if (obj = this.rows[this.selection[n]].obj) { subject = ''; for (c=0, i=0; i<obj.childNodes.length; i++) { if (obj.childNodes[i].nodeName == 'TD') { if (n == 0) this.drag_start_pos = $(obj.childNodes[i]).offset(); if (this.subject_col < 0 || (this.subject_col >= 0 && this.subject_col == c)) { var entry, node, tmp_node, nodes = obj.childNodes[i].childNodes; // find text node for (m=0; m<nodes.length; m++) { if ((tmp_node = obj.childNodes[i].childNodes[m]) && (tmp_node.nodeType==3 || tmp_node.nodeName=='A')) node = tmp_node; } if (!node) break; subject = $(node).text(); // remove leading spaces subject = $.trim(subject); // truncate line to 50 characters subject = (subject.length > 50 ? subject.substring(0, 50) + '...' : subject); entry = $('<div>').text(subject); this.draglayer.append(entry); break; } c++; } } } } 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.mobile) { 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'); 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.list.tHead.rows[0].cells; // 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; } if (this.col_drag_active) this.focus(); this.col_drag_active = false; 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.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); } } this.triggerEvent('column_dragend'); return rcube_event.cancel(e); }, /** * 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').each(function() { this.parentNode.removeChild(this); }); }, /** * Replaces two columns */ column_replace: function(from, to) { var len, cells = this.list.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.list.tBodies[0].rows.length; r<len; r++) { row = this.list.tBodies[0].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--; 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;