From b2992dd2283c3d0ac95f3293497dfaed0493f607 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 07 May 2014 11:34:28 -0400
Subject: [PATCH] Further accessibility improvements regarding keyboard navigation and document structure
---
program/js/list.js | 526 +++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 338 insertions(+), 188 deletions(-)
diff --git a/program/js/list.js b/program/js/list.js
index f05ac1a..14dfde3 100644
--- a/program/js/list.js
+++ b/program/js/list.js
@@ -1,26 +1,40 @@
-/*
- +-----------------------------------------------------------------------+
- | Roundcube List Widget |
- | |
- | This file is part of the Roundcube Webmail client |
- | Copyright (C) 2006-2013, The Roundcube Dev Team |
- | |
- | Licensed under the GNU General Public License version 3 or |
- | any later version with exceptions for skins & plugins. |
- | See the README file for a full license statement. |
- | |
- +-----------------------------------------------------------------------+
- | Authors: Thomas Bruederli <roundcube@gmail.com> |
- | Charles McNulty <charles@charlesmcnulty.com> |
- +-----------------------------------------------------------------------+
- | Requires: common.js |
- +-----------------------------------------------------------------------+
-*/
+/**
+ * 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
- * @contructor
+ * @constructor
*/
function rcube_list_widget(list, p)
{
@@ -31,10 +45,7 @@
this.list = list ? list : null;
this.tagname = this.list ? this.list.nodeName.toLowerCase() : 'table';
- this.thead;
- this.tbody;
- this.fixed_header;
- this.frame = null;
+ this.id_regexp = /^rcmrow([a-z0-9\-_=\+\/]+)/i;
this.rows = {};
this.selection = [];
this.rowcount = 0;
@@ -50,13 +61,11 @@
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 = 500; // default value on MS Windows is 500
@@ -89,20 +98,32 @@
this.rows = {};
this.rowcount = 0;
- var r, len, rows = this.tbody.childNodes;
+ var r, len, rows = this.tbody.childNodes, me = this;
for (r=0, len=rows.length; r<len; r++) {
- this.init_row(rows[r]);
- this.rowcount++;
+ this.rowcount += this.init_row(rows[r]) ? 1 : 0;
}
this.init_header();
this.frame = this.list.parentNode;
// set body events
- if (this.keyboard)
+ if (this.keyboard) {
rcube_event.add_listener({event:'keydown', object:this, method:'key_press'});
+
+ // install a link element to receive focus.
+ // this helps to maintain the natural tab order when moving focus with keyboard
+ this.focus_elem = $('<a>')
+ .attr('tabindex', '0')
+ .attr('style', 'display:block; width:1px; height:1px; line-height:1px; overflow:hidden; position:absolute; top:-1000px')
+ .html('Select List')
+ .insertAfter(this.list)
+ .on('focus', function(e){ me.focus(e); })
+ .on('blur', function(e){ me.blur(e); });
+ }
}
+
+ return this;
},
@@ -111,11 +132,11 @@
*/
init_row: function(row)
{
+ row.uid = this.get_row_uid(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;
+ if (row && row.uid) {
+ var self = this, uid = row.uid;
this.rows[uid] = {uid:uid, id:row.id, obj:row};
// set eventhandlers to table row
@@ -149,6 +170,8 @@
this.row_init(this.rows[uid]); // legacy support
this.triggerEvent('initrow', this.rows[uid]);
+
+ return true;
}
},
@@ -163,9 +186,9 @@
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('tr td').attr('style', ''); // remove fixed widths
+ $(this.list.tHead).find('tr td').attr('style', '').find('a.sortcol').attr('tabindex', '-1'); // remove fixed widths
}
- else if (!bw.touch && this.list.className.indexOf('fixedheader') >= 0) {
+ else if (!bw.touch && this.list.className.indexOf('fixedheader') >= 0 && 0) {
this.init_fixed_header();
}
@@ -197,10 +220,22 @@
var me = this;
$(window).resize(function(){ me.resize() });
+ $(window).scroll(function(){
+ var w = $(window);
+ me.fixed_header.css('marginLeft', (-w.scrollLeft()) + 'px');
+ if (!bw.webkit)
+ me.fixed_header.css('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();
@@ -223,6 +258,8 @@
$(this.thead).find('tr td').each(function(index) {
$(this).css('width', column_widths[index]);
});
+
+ $(window).scroll();
},
/**
@@ -245,10 +282,15 @@
if (sel)
this.clear_selection();
+ else
+ this.last_selected = 0;
// reset scroll position (in Opera)
if (this.frame)
this.frame.scrollTop = 0;
+
+ // fix list header after removing any rows
+ this.resize();
},
@@ -257,7 +299,7 @@
*/
remove_row: function(uid, sel_next)
{
- var node = this.rows[uid] ? this.rows[uid].obj : null;
+ var self = this, node = this.rows[uid] ? this.rows[uid].obj : null;
if (!node)
return;
@@ -269,6 +311,10 @@
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);
},
@@ -277,7 +323,7 @@
*/
insert_row: function(row, before)
{
- var tbody = this.tbody;
+ var self = this, tbody = this.tbody;
// create a real dom node first
if (row.nodeName === undefined) {
@@ -286,12 +332,15 @@
if (row.id) domrow.id = row.id;
if (row.className) domrow.className = row.className;
if (row.style) $.extend(domrow.style, row.style);
+ if (row.uid) $(domrow).data('uid', row.uid);
- for (var domcell, col, i=0; row.cols && i < row.cols.length; i++) {
+ 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);
}
@@ -305,6 +354,10 @@
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);
},
/**
@@ -336,6 +389,9 @@
*/
focus: function(e)
{
+ if (this.focused)
+ return;
+
var n, id;
this.focused = true;
@@ -346,20 +402,32 @@
}
}
- // 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))
+ if (e)
rcube_event.cancel(e);
+
+ // Un-focus already focused elements (#1487123, #1487316, #1488600, #1488620)
+ if (this.focus_elem) {
+ // We now fix this by explicitly assigning focus to a dedicated link element
+ this.focus_elem.focus();
+ }
+ 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');
+
+ // set internal focus pointer to first row
+ if (!this.last_selected)
+ this.select_first(CONTROL_KEY);
},
/**
* remove focus from the list
*/
-blur: function()
+blur: function(e)
{
var n, id;
this.focused = false;
@@ -369,6 +437,22 @@
$(this.rows[id].obj).removeClass('selected focused').addClass('unfocused');
}
}
+
+ $(this.list).removeClass('focus');
+},
+
+
+/**
+ * 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');
},
@@ -406,10 +490,7 @@
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' || evtarget.onclick)))
+ if (!this.is_event_target(e))
return true;
// accept right-clicks
@@ -421,12 +502,13 @@
// selects currently unselected row
if (!this.in_selection_before) {
var mod_key = rcube_event.get_modifier(e);
- this.select_row(id, mod_key, false);
+ 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) {
@@ -447,25 +529,16 @@
*/
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')))
+ // don't do anything (another action processed before)
+ if (!this.is_event_target(e))
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;
+ var now = new Date().getTime(),
+ 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);
+ 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;
@@ -489,6 +562,18 @@
},
+/**
+ * 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
*/
@@ -509,8 +594,6 @@
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;
@@ -532,17 +615,18 @@
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 });
- 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];
+ r = this.rows[new_row.uid];
if (r && r.depth <= depth)
break;
+
$(new_row).css('display', 'none');
if (r.expanded) {
r.expanded = false;
@@ -554,6 +638,7 @@
this.resize();
this.triggerEvent('listupdate');
+
return false;
},
@@ -565,7 +650,7 @@
row.expanded = true;
depth = row.depth;
new_row = row.obj.nextSibling;
- this.update_expando(row.uid, true);
+ this.update_expando(row.id, true);
this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
}
else {
@@ -615,7 +700,7 @@
row.expanded = false;
depth = row.depth;
new_row = row.obj.nextSibling;
- this.update_expando(row.uid);
+ 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
@@ -637,7 +722,7 @@
$(new_row).css('display', 'none');
if (r.has_children && r.expanded) {
r.expanded = false;
- this.update_expando(r.uid, false);
+ this.update_expando(r.id, false);
this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
}
}
@@ -659,7 +744,7 @@
row.expanded = true;
depth = row.depth;
new_row = row.obj.nextSibling;
- this.update_expando(row.uid, true);
+ this.update_expando(row.id, true);
this.triggerEvent('expandcollapse', { uid:row.uid, expanded:row.expanded, obj:row.obj });
}
else {
@@ -676,7 +761,7 @@
$(new_row).css('display', '');
if (r.has_children && !r.expanded) {
r.expanded = true;
- this.update_expando(r.uid, true);
+ this.update_expando(r.id, true);
this.triggerEvent('expandcollapse', { uid:r.uid, expanded:r.expanded, obj:new_row });
}
}
@@ -690,13 +775,26 @@
},
-update_expando: function(uid, expanded)
+update_expando: function(id, expanded)
{
- var expando = document.getElementById('rcmexpando' + uid);
+ var expando = document.getElementById('rcmexpando' + id);
if (expando)
expando.className = expanded ? 'expanded' : 'collapsed';
},
+get_row_uid: function(row)
+{
+ if (row && row.uid)
+ return row.uid;
+
+ var uid;
+ if (row && (uid = $(row).data('uid')))
+ row.uid = uid;
+ else if (row && String(row.id).match(this.id_regexp))
+ row.uid = RegExp.$1;
+
+ return row.uid;
+},
/**
* get first/next/previous/last rows that are not hidden
@@ -732,11 +830,11 @@
get_first_row: function()
{
if (this.rowcount) {
- var i, len, rows = this.tbody.childNodes;
+ var i, len, uid, rows = this.tbody.childNodes;
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;
+ if (rows[i].id && (uid = this.get_row_uid(rows[i])))
+ return uid;
}
return null;
@@ -745,11 +843,11 @@
get_last_row: function()
{
if (this.rowcount) {
- var i, rows = this.tbody.childNodes;
+ var i, uid, rows = this.tbody.childNodes;
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;
+ if (rows[i].id && (uid = this.get_row_uid(rows[i])))
+ return uid;
}
return null;
@@ -778,6 +876,7 @@
select_row: function(id, mod_key, with_mouse)
{
var select_before = this.selection.join(',');
+
if (!this.multiselect)
mod_key = 0;
@@ -796,8 +895,10 @@
break;
case CONTROL_KEY:
- if (!with_mouse)
+ if (with_mouse) {
+ this.shift_start = id;
this.highlight_row(id, true);
+ }
break;
case CONTROL_SHIFT_KEY:
@@ -808,6 +909,7 @@
this.highlight_row(id, false);
break;
}
+
this.multi_selecting = true;
}
@@ -865,14 +967,8 @@
{
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);
- }
+ this.select_row(row, mod_key, false);
+ this.scrollto(row);
}
},
@@ -884,14 +980,8 @@
{
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);
- }
+ this.select_row(row, mod_key, false);
+ this.scrollto(row);
}
},
@@ -905,7 +995,7 @@
for (i=0; i<len; i++)
if (!this.in_selection(children[i]))
- this.select_row(children[i], CONTROL_KEY);
+ this.select_row(children[i], CONTROL_KEY, true);
},
@@ -921,7 +1011,8 @@
from_rowIndex = this._rowIndex(this.rows[this.shift_start].obj),
to_rowIndex = this._rowIndex(to_row.obj);
- if (!to_row.expanded && to_row.has_children)
+ // 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);
@@ -943,6 +1034,7 @@
}
},
+
/**
* Helper method to emulate the rowIndex property of non-tr elements
*/
@@ -957,7 +1049,7 @@
in_selection: function(id)
{
for (var n in this.selection)
- if (this.selection[n]==id)
+ if (this.selection[n] == id)
return true;
return false;
@@ -1023,7 +1115,7 @@
/**
* Unselect selected row(s)
*/
-clear_selection: function(id)
+clear_selection: function(id, no_event)
{
var n, num_select = this.selection.length;
@@ -1045,17 +1137,36 @@
this.selection = [];
}
- if (num_select && !this.selection.length)
+ if (num_select && !this.selection.length && !no_event) {
this.triggerEvent('select');
+ this.last_selected = 0;
+ }
},
/**
* Getter for the selection array
*/
-get_selection: function()
+get_selection: function(deep)
{
- return this.selection;
+ 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;
},
@@ -1081,7 +1192,7 @@
if (!multiple) {
if (this.selection.length > 1 || !this.in_selection(id)) {
- this.clear_selection();
+ this.clear_selection(null, true);
this.selection[0] = id;
$(this.rows[id].obj).addClass('selected');
}
@@ -1129,6 +1240,7 @@
key_press: function(e)
{
var target = e.target || {};
+
if (this.focused != true || target.nodeName == 'INPUT' || target.nodeName == 'TEXTAREA' || target.nodeName == 'SELECT')
return true;
@@ -1143,32 +1255,41 @@
// 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:
+ 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_plusminus_key(keyCode, mod_key);
+ 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);
+
default:
this.key_pressed = keyCode;
this.modkey = mod_key;
@@ -1188,46 +1309,57 @@
*/
use_arrow_key: function(keyCode, mod_key)
{
- var new_row;
+ 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);
}
-
- 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);
+ else if (!new_row && !selected_row) {
+ // select the first row if none selected yet
+ this.select_first(CONTROL_KEY);
+ }
return false;
},
@@ -1240,7 +1372,8 @@
{
var row = this.rows[id].obj;
if (row && this.frame) {
- var scroll_to = Number(row.offsetTop);
+ 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) {
@@ -1249,8 +1382,14 @@
scroll_to = Number(row.offsetTop);
}
- if (scroll_to < Number(this.frame.scrollTop))
- this.frame.scrollTop = scroll_to;
+ 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);
}
@@ -1272,60 +1411,68 @@
if (this.drag_start) {
// check mouse movement, of less than 3 pixels, don't start dragging
- var m = rcube_event.get_mouse_pos(e);
+ 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 })
+ .css({position: 'absolute', display: 'none', 'z-index': 2000})
.appendTo(document.body);
+ else
+ this.draglayer.html('');
- // 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);
- }
+ // 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];
- // reset content
- this.draglayer.html('');
+ if (!row || $.inArray(uid, selection) > -1)
+ return;
- // get subjects of selected messages
- var i, n, obj, me;
- for (n=0; n<this.selection.length; n++) {
- // only show 12 lines
- if (n>12) {
- this.draglayer.append('...');
- break;
- }
+ selection.push(uid);
- me = this;
- if (obj = this.rows[this.selection[n]].obj) {
- $('> '+this.col_tagname(), obj).each(function(i,elem){
- if (n == 0)
- me.drag_start_pos = $(elem).offset();
-
- if (me.subject_col < 0 || (me.subject_col >= 0 && me.subject_col == i)) {
- var subject = $(elem).text();
-
- if (subject) {
- // remove leading spaces
- subject = $.trim(subject);
- // truncate line to 50 characters
- subject = (subject.length > 50 ? subject.substring(0, 50) + '...' : subject);
-
- var entry = $('<div>').text(subject);
- me.draglayer.append(entry);
- }
-
- return false; // break
- }
+ // 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)) {
+ 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;
@@ -1399,6 +1546,9 @@
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')
@@ -1510,7 +1660,7 @@
while (row) {
if (row.nodeType == 1) {
- if ((r = this.rows[row.uid])) {
+ if (r = this.rows[row.uid]) {
if (!r.depth || r.depth <= depth)
break;
res.push(r.uid);
@@ -1545,7 +1695,7 @@
*/
del_dragfix: function()
{
- $('div.iframe-dragdrop-fix').each(function() { this.parentNode.removeChild(this); });
+ $('div.iframe-dragdrop-fix').remove();
},
--
Gitblit v1.9.1