From f8963705578ccb3e0554d948afcc1908c4596a08 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 11 Dec 2013 09:32:36 -0500
Subject: [PATCH] Improved drag-n-drop layer: - do not auto-select children of collapsed threads, display subjects in real order (not is selection order), some code improvements
---
program/js/list.js | 384 ++++++++++++++++++++++++++++++++++++------------------
1 files changed, 255 insertions(+), 129 deletions(-)
diff --git a/program/js/list.js b/program/js/list.js
index 8b8a719..895a9e6 100644
--- a/program/js/list.js
+++ b/program/js/list.js
@@ -31,10 +31,12 @@
this.list = list ? list : null;
this.tagname = this.list ? this.list.nodeName.toLowerCase() : 'table';
+ this.id_regexp = /^rcmrow([a-z0-9\-_=\+\/]+)/i;
this.thead;
this.tbody;
+ this.fixed_header;
this.frame = null;
- this.rows = [];
+ this.rows = {};
this.selection = [];
this.rowcount = 0;
this.colcount = 0;
@@ -49,13 +51,11 @@
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
@@ -85,14 +85,13 @@
}
if (this.tbody) {
- this.rows = [];
+ this.rows = {};
this.rowcount = 0;
var r, len, rows = this.tbody.childNodes;
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();
@@ -111,7 +110,7 @@
init_row: function(row)
{
// make references in internal array and set event handlers
- if (row && String(row.id).match(/^rcmrow([a-z0-9\-_=\+\/]+)/i)) {
+ if (row && String(row.id).match(this.id_regexp)) {
var self = this,
uid = RegExp.$1;
row.uid = uid;
@@ -121,17 +120,25 @@
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) {
+ if (bw.touch) {
row.addEventListener('touchstart', function(e) {
if (e.touches.length == 1) {
- if (!self.drag_row(rcube_event.touchevent(e.touches[0]), this.uid))
- e.preventDefault();
+ 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.click_row(rcube_event.touchevent(e.changedTouches[0]), this.uid))
+ 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);
}
@@ -140,6 +147,8 @@
this.row_init(this.rows[uid]); // legacy support
this.triggerEvent('initrow', this.rows[uid]);
+
+ return true;
}
},
@@ -151,6 +160,14 @@
{
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('tr td').attr('style', ''); // 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
@@ -166,6 +183,47 @@
}
},
+init_fixed_header: function()
+{
+ var clone = $(this.list.tHead).clone();
+
+ if (!this.fixed_header) {
+ this.fixed_header = $('<table>')
+ .attr('class', this.list.className + ' fixedcopy')
+ .css({ position:'fixed' })
+ .append(clone)
+ .append('<tbody></tbody>');
+ $(this.list).before(this.fixed_header);
+
+ var me = this;
+ $(window).resize(function(){ me.resize() });
+ }
+ else {
+ $(this.fixed_header).find('thead').replaceWith(clone);
+ }
+
+ 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 tr 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('tr td').each(function(index) {
+ $(this).css('width', column_widths[index]);
+ });
+},
/**
* Remove all list rows
@@ -182,7 +240,7 @@
$(this.row_tagname() + ':not(.thead)', this.tbody).remove();
}
- this.rows = [];
+ this.rows = {};
this.rowcount = 0;
if (sel)
@@ -191,6 +249,9 @@
// reset scroll position (in Opera)
if (this.frame)
this.frame.scrollTop = 0;
+
+ // fix list header after removing any rows
+ this.resize();
},
@@ -199,7 +260,7 @@
*/
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;
@@ -211,6 +272,10 @@
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);
},
@@ -219,7 +284,7 @@
*/
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) {
@@ -247,6 +312,10 @@
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);
},
/**
@@ -348,30 +417,28 @@
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')))
+ if (!this.is_event_target(e))
return true;
// accept right-clicks
if (rcube_event.get_button(e) == 2)
return true;
- this.in_selection_before = this.in_selection(id) ? id : false;
+ 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);
+ this.select_row(id, mod_key, true);
}
- if (this.draggable && this.selection.length) {
+ 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.mobile) {
+ 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'});
}
@@ -389,31 +456,22 @@
*/
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;
// row was double clicked
- if (this.rows && dblclicked && this.in_selection(id)) {
+ if (this.rowcount && dblclicked && this.in_selection(id)) {
this.triggerEvent('dblclick');
now = 0;
}
@@ -428,6 +486,18 @@
this.rows[id].clicked = now;
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)));
},
@@ -451,8 +521,6 @@
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;
@@ -474,17 +542,18 @@
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;
@@ -494,7 +563,9 @@
new_row = new_row.nextSibling;
}
+ this.resize();
this.triggerEvent('listupdate');
+
return false;
},
@@ -542,6 +613,7 @@
new_row = new_row.nextSibling;
}
+ this.resize();
this.triggerEvent('listupdate');
return false;
},
@@ -585,6 +657,7 @@
new_row = new_row.nextSibling;
}
+ this.resize();
this.triggerEvent('listupdate');
return false;
},
@@ -623,6 +696,7 @@
new_row = new_row.nextSibling;
}
+ this.resize();
this.triggerEvent('listupdate');
return false;
},
@@ -641,7 +715,7 @@
*/
get_next_row: function()
{
- if (!this.rows)
+ if (!this.rowcount)
return false;
var last_selected_row = this.rows[this.last_selected],
@@ -655,7 +729,7 @@
get_prev_row: function()
{
- if (!this.rows)
+ if (!this.rowcount)
return false;
var last_selected_row = this.rows[this.last_selected],
@@ -673,7 +747,7 @@
var i, len, 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)
+ if (rows[i].id && String(rows[i].id).match(this.id_regexp) && this.rows[RegExp.$1] != null)
return RegExp.$1;
}
@@ -686,7 +760,7 @@
var i, 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)
+ if (rows[i].id && String(rows[i].id).match(this.id_regexp) && this.rows[RegExp.$1] != null)
return RegExp.$1;
}
@@ -716,6 +790,7 @@
select_row: function(id, mod_key, with_mouse)
{
var select_before = this.selection.join(',');
+
if (!this.multiselect)
mod_key = 0;
@@ -734,8 +809,10 @@
break;
case CONTROL_KEY:
- if (!with_mouse)
+ if (with_mouse) {
+ this.shift_start = id;
this.highlight_row(id, true);
+ }
break;
case CONTROL_SHIFT_KEY:
@@ -746,6 +823,7 @@
this.highlight_row(id, false);
break;
}
+
this.multi_selecting = true;
}
@@ -803,14 +881,8 @@
{
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);
}
},
@@ -822,14 +894,8 @@
{
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);
}
},
@@ -843,7 +909,7 @@
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);
},
@@ -859,7 +925,8 @@
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);
@@ -881,6 +948,7 @@
}
},
+
/**
* Helper method to emulate the rowIndex property of non-tr elements
*/
@@ -895,7 +963,7 @@
in_selection: function(id)
{
for (var n in this.selection)
- if (this.selection[n]==id)
+ if (this.selection[n] == id)
return true;
return false;
@@ -907,7 +975,7 @@
*/
select_all: function(filter)
{
- if (!this.rows || !this.rows.length)
+ if (!this.rowcount)
return false;
// reset but remember selection first
@@ -939,7 +1007,7 @@
*/
invert_selection: function()
{
- if (!this.rows || !this.rows.length)
+ if (!this.rowcount)
return false;
// remember old selection
@@ -991,9 +1059,26 @@
/**
* 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].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;
},
@@ -1081,10 +1166,15 @@
// 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
+ case 107: // Plus sign on a numeric keypad
+ case 109: // Minus sign on a numeric keypad
// Stop propagation
rcube_event.cancel(e);
var ret = this.use_plusminus_key(keyCode, mod_key);
@@ -1093,20 +1183,26 @@
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;
@@ -1149,21 +1245,30 @@
use_plusminus_key: function(keyCode, mod_key)
{
var selected_row = this.rows[this.last_selected];
- if (!selected_row)
+
+ if (!selected_row || !selected_row.has_children)
return;
- if (keyCode == 32)
- keyCode = selected_row.expanded ? 109 : 61;
- if (keyCode == 61 || keyCode == 107)
+ // expand
+ if (keyCode == 39 || keyCode == 107) {
+ if (selected_row.expanded)
+ return;
+
if (mod_key == CONTROL_KEY || this.multiexpand)
this.expand_all(selected_row);
else
- this.expand(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.uid, selected_row.expanded);
@@ -1178,7 +1283,8 @@
{
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) {
@@ -1187,8 +1293,14 @@
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);
}
@@ -1202,7 +1314,7 @@
{
// convert touch event
if (e.type == 'touchmove') {
- if (e.changedTouches.length == 1)
+ if (e.touches.length == 1 && e.changedTouches.length == 1)
e = rcube_event.touchevent(e.changedTouches[0]);
else
return rcube_event.cancel(e);
@@ -1210,60 +1322,71 @@
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() {
+ if (!String(this.id).match(self.id_regexp))
+ return;
- // reset content
- this.draglayer.html('');
+ var uid = RegExp.$1, row = self.rows[uid];
- // get subjects of selected messages
- var i, n, obj, me;
- for (n=0; n<this.selection.length; n++) {
- // only show 12 lines
- if (n>12) {
- this.draglayer.append('...');
- break;
- }
+ if ($.inArray(uid, selection) > -1)
+ return;
- 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();
+ selection.push(uid);
- 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;
@@ -1308,7 +1431,7 @@
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) {
+ 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'});
}
@@ -1448,7 +1571,7 @@
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);
@@ -1483,7 +1606,7 @@
*/
del_dragfix: function()
{
- $('div.iframe-dragdrop-fix').each(function() { this.parentNode.removeChild(this); });
+ $('div.iframe-dragdrop-fix').remove();
},
@@ -1531,6 +1654,9 @@
else if (this.subject_col > from && to >= this.subject_col)
this.subject_col--;
+ if (this.fixed_header)
+ this.init_header();
+
this.triggerEvent('column_replace');
}
--
Gitblit v1.9.1