From b62c4869f7c43804601b7786809e7e7a2508566d Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sun, 02 May 2010 11:09:36 -0400
Subject: [PATCH] - Allow columns order change per user - drag&drop (#1485795)
---
program/js/list.js | 269 +++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 249 insertions(+), 20 deletions(-)
diff --git a/program/js/list.js b/program/js/list.js
index 8d6d9f1..9493121 100644
--- a/program/js/list.js
+++ b/program/js/list.js
@@ -33,6 +33,7 @@
this.rows = [];
this.selection = [];
this.rowcount = 0;
+ this.colcount = 0;
this.subject_col = -1;
this.shiftkey = false;
@@ -40,11 +41,14 @@
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;
@@ -72,18 +76,15 @@
this.rows = [];
this.rowcount = 0;
- var row;
- for(var r=0; r<this.list.tBodies[0].childNodes.length; r++) {
- row = this.list.tBodies[0].childNodes[r];
- while (row && row.nodeType != 1) {
- row = row.nextSibling;
- r++;
- }
+ var row, r;
+ for (r=0; r<this.list.tBodies[0].rows.length; r++) {
+ row = this.list.tBodies[0].rows[r];
this.init_row(row);
this.rowcount++;
}
+ this.init_header();
this.frame = this.list.parentNode;
// set body events
@@ -115,6 +116,29 @@
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++;
+ }
+ }
}
},
@@ -207,6 +231,34 @@
/**
+ * 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)
@@ -236,15 +288,7 @@
rcube_event.add_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
// enable dragging over iframes
- $('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('body');
- });
+ this.add_dragfix();
}
return false;
@@ -287,7 +331,7 @@
if (!this.drag_active) {
// remove temp divs
- $('div.iframe-dragdrop-fix').each(function() { this.parentNode.removeChild(this); });
+ this.del_dragfix();
rcube_event.cancel(e);
}
@@ -931,7 +975,11 @@
switch (rcube_event.get_keycode(e)) {
case 27:
if (this.drag_active)
- return this.drag_mouse_up(e);
+ 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:
@@ -1040,7 +1088,9 @@
return false;
if (!this.draglayer)
- this.draglayer = $('<div>').attr('id', 'rcmdraglayer').css({ position:'absolute', display:'none', 'z-index':2000 }).appendTo(document.body);
+ 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 selection = $.merge([], this.selection);
@@ -1134,7 +1184,7 @@
rcube_event.remove_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
// remove temp divs
- $('div.iframe-dragdrop-fix').each(function() { this.parentNode.removeChild(this); });
+ this.del_dragfix();
this.triggerEvent('dragend');
@@ -1143,6 +1193,185 @@
/**
+ * 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 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; r<this.list.tBodies[0].rows.length; 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;
+
+ this.triggerEvent('column_replace');
+},
+
+
+/**
* Creating the list in background
*/
set_background_mode: function(flag)
--
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