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+/*
+ +-----------------------------------------------------------------------+
+ | 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:'keydown', object:this, method:'key_press'});
+ }
+},
+
+
+/**
+ * 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.touch) {
+ 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);
+ }
+
+ 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)
+ // It looks that window.focus() does the job for all browsers, but not Firefox (#1489058)
+ $(':focus:not(body)').blur();
+ window.focus();
+
+ 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 = 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, false);
+ }
+
+ 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)
+{
+ 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_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);
+},
+
+
+/**
+ * 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.rows[this.shift_start].obj.rowIndex,
+ to_rowIndex = to_row.obj.rowIndex;
+
+ if (!to_row.expanded && to_row.has_children)
+ if (to_row = this.rows[(this.row_children(id)).pop()])
+ to_rowIndex = to_row.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, 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, norecur)
+{
+ if (!this.rows[id])
+ return;
+
+ if (!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.in_selection(id)) { // select row
+ this.selection.push(id);
+ $(this.rows[id].obj).addClass('selected');
+ if (!norecur && !this.rows[id].expanded)
+ this.highlight_children(id, true);
+ }
+ 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');
+ 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 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);
+ 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);
+ 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;
+ // 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.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);
+
+ 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].expanded)
+ this.select_children(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.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');
+
+ 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);
+},
+
+
+/**
+ * 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').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;
generated by cgit v1.0-28-g1787 at 2026-01-09 08:33:21 +0000