+++ /dev/null
-/*
- +-----------------------------------------------------------------------+
- | RoundCube List Widget |
- | |
- | This file is part of the RoundCube Webmail client |
- | Copyright (C) 2006-2008, RoundCube Dev, - Switzerland |
- | Licensed under the GNU GPL |
- | |
- +-----------------------------------------------------------------------+
- | Authors: Thomas Bruederli <roundcube@gmail.com> |
- | Charles McNulty <charles@charlesmcnulty.com> |
- +-----------------------------------------------------------------------+
- | Requires: common.js |
- +-----------------------------------------------------------------------+
-
- $Id: list.js 344 2006-09-18 03:49:28Z thomasb $
-*/
-
-
-/**
- * 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.subject_col = -1;
- this.shiftkey = false;
- this.multiselect = false;
- this.multi_selecting = false;
- this.draggable = false;
- this.keyboard = false;
- this.toggleselect = false;
-
- this.dont_select = false;
- this.drag_active = false;
- 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(){};
- this.events = { click:[], dblclick:[], select:[], keypress:[], dragstart:[], dragmove:[], dragend:[] };
-
- // 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 = new Array();
- 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.style.display == 'none'))
- {
- row = row.nextSibling;
- r++;
- }
-
- this.init_row(row);
- this.rowcount++;
- }
-
- this.frame = this.list.parentNode;
-
- // set body events
- if (this.keyboard) {
- rcube_event.add_listener({element:document, event:'keyup', object:this, method:'key_press'});
- rcube_event.add_listener({element:document, event:'keydown', object:this, method:'key_down'});
- }
- }
-},
-
-
-/**
- *
- */
-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 p = this;
- var uid = RegExp.$1;
- row.uid = uid;
- this.rows[uid] = {uid:uid, id:row.id, obj:row, classname:row.className};
-
- // set eventhandlers to table row
- row.onmousedown = function(e){ return p.drag_row(e, this.uid); };
- row.onmouseup = function(e){ return p.click_row(e, this.uid); };
-
- if (document.all)
- row.onselectstart = function() { return false; };
-
- this.row_init(this.rows[uid]);
- }
-},
-
-
-/**
- *
- */
-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 = new Array();
- this.rowcount = 0;
-
- if (sel) this.clear_selection();
-},
-
-
-/**
- * 'remove' message row from list (just hide it)
- */
-remove_row: function(uid, sel_next)
-{
- if (this.rows[uid].obj)
- this.rows[uid].obj.style.display = 'none';
-
- if (sel_next)
- this.select_next();
-
- this.rows[uid] = null;
- this.rowcount--;
-},
-
-
-/**
- *
- */
-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)
-{
- this.focused = true;
- for (var n=0; n<this.selection.length; n++)
- {
- id = this.selection[n];
- if (this.rows[id] && this.rows[id].obj)
- {
- this.set_classname(this.rows[id].obj, 'selected', true);
- this.set_classname(this.rows[id].obj, 'unfocused', false);
- }
- }
-
- if (e || (e = window.event))
- rcube_event.cancel(e);
-},
-
-
-/**
- * remove focus from the list
- */
-blur: function()
-{
- var id;
- this.focused = false;
- for (var n=0; n<this.selection.length; n++)
- {
- id = this.selection[n];
- if (this.rows[id] && this.rows[id].obj)
- {
- this.set_classname(this.rows[id].obj, 'selected', false);
- this.set_classname(this.rows[id].obj, 'unfocused', true);
- }
- }
-},
-
-
-/**
- * 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);
- if (this.dont_select || (evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
- return false;
-
- // 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({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
- rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});
-
- // add listener for iframes
- var iframes = document.getElementsByTagName('IFRAME');
- this.iframe_events = Object();
- for (var n in iframes)
- {
- var iframedoc = null;
- if (iframes[n].contentDocument)
- iframedoc = iframes[n].contentDocument;
- else if (iframes[n].contentWindow)
- iframedoc = iframes[n].contentWindow.document;
- else if (iframes[n].document)
- iframedoc = iframes[n].document;
-
- if (iframedoc)
- {
- var list = this;
- var pos = rcube_get_object_pos(document.getElementById(iframes[n].id));
- this.iframe_events[n] = function(e) { e._offset = pos; return list.drag_mouse_move(e); }
-
- if (iframedoc.addEventListener)
- iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
- else if (iframes[n].attachEvent)
- iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
- else
- iframedoc['onmousemove'] = this.iframe_events[n];
-
- rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
- }
- }
- }
-
- return false;
-},
-
-
-/**
- * onmouseup-handler of message list row
- */
-click_row: function(e, id)
-{
- var now = new Date().getTime();
- var mod_key = rcube_event.get_modifier(e);
- var evtarget = rcube_event.get_target(e);
-
- if ((evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
- return false;
-
- // 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.trigger_event('dblclick');
- else
- this.trigger_event('click');
-
- if (!this.drag_active)
- rcube_event.cancel(e);
-
- this.rows[id].clicked = now;
- return false;
-},
-
-
-/**
- * get 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];
- var 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];
- var 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_last_row: function()
-{
- if (this.rowcount)
- {
- var rows = this.list.tBodies[0].rows;
-
- for(var 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.trigger_event('select');
-
- if (this.last_selected != 0 && this.rows[this.last_selected])
- this.set_classname(this.rows[this.last_selected].obj, 'focused', false);
-
- // 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.set_classname(this.rows[id].obj, 'focused', true);
-
- 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();
- var prev_row = this.get_prev_row();
- var new_row = (next_row) ? next_row : prev_row;
- if (new_row)
- this.select_row(new_row.uid, false, false);
-},
-
-
-/**
- * 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 from_rowIndex = this.rows[this.shift_start].obj.rowIndex;
- var to_rowIndex = this.rows[id].obj.rowIndex;
-
- var i = ((from_rowIndex < to_rowIndex)? from_rowIndex : to_rowIndex);
- var j = ((from_rowIndex > to_rowIndex)? from_rowIndex : to_rowIndex);
-
- // iterate through the entire message list
- for (var 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 select_before = this.selection.join(',');
- this.clear_selection();
-
- for (var n in this.rows)
- {
- if (!filter || this.rows[n][filter]==true)
- {
- this.last_selected = n;
- this.highlight_row(n, true);
- }
- }
-
- // trigger event if selection changed
- if (this.selection.join(',') != select_before)
- this.trigger_event('select');
-
- this.focus();
-
- return true;
-},
-
-
-/**
- * Unselect selected row(s)
- */
-clear_selection: function(id)
-{
- var num_select = this.selection.length;
-
- // one row
- if (id)
- {
- for (var n=0; n<this.selection.length; n++)
- if (this.selection[n] == id)
- {
- this.selection.splice(n,1);
- break;
- }
- }
- // all rows
- else
- {
- for (var n=0; n<this.selection.length; n++)
- if (this.rows[this.selection[n]])
- {
- this.set_classname(this.rows[this.selection[n]].obj, 'selected', false);
- this.set_classname(this.rows[this.selection[n]].obj, 'unfocused', false);
- }
-
- this.selection = new Array();
- }
-
- if (num_select && !this.selection.length)
- this.trigger_event('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.set_classname(this.rows[id].obj, 'selected', true);
- }
- }
- else if (this.rows[id])
- {
- if (!this.in_selection(id)) // select row
- {
- this.selection[this.selection.length] = id;
- this.set_classname(this.rows[id].obj, 'selected', true);
- }
- else // unselect row
- {
- var p = find_in_array(id, this.selection);
- var a_pre = this.selection.slice(0, p);
- var a_post = this.selection.slice(p+1, this.selection.length);
- this.selection = a_pre.concat(a_post);
- this.set_classname(this.rows[id].obj, 'selected', false);
- this.set_classname(this.rows[id].obj, 'unfocused', false);
- }
- }
-},
-
-
-/**
- * Handler for keyboard events
- */
-key_press: function(e)
-{
- if (this.focused != true)
- return true;
-
- var keyCode = rcube_event.get_keycode(e);
- var 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);
- default:
- this.shiftkey = e.shiftKey;
- this.key_pressed = keyCode;
- this.trigger_event('keypress');
-
- if (this.key_pressed == this.BACKSPACE_KEY)
- return rcube_event.cancel(e);
- }
-
- return true;
-},
-
-/**
- * Handler for keydown events
- */
-key_down: function(e)
-{
- switch (rcube_event.get_keycode(e))
- {
- case 40:
- case 38:
- case 63233:
- case 63232:
- 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, true);
- this.scrollto(new_row.uid);
- }
-
- 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);
-
- 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)
-{
- 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 = new rcube_layer('rcmdraglayer', {x:0, y:0, vis:0, zindex:2000});
-
- // get subjects of selectedd messages
- var names = '';
- var c, i, node, subject, obj;
- for(var n=0; n<this.selection.length; n++)
- {
- if (n>12) // only show 12 lines
- {
- names += '...';
- break;
- }
-
- if (this.rows[this.selection[n]].obj)
- {
- 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 (((node = obj.childNodes[i].firstChild) && (node.nodeType==3 || node.nodeName=='A')) &&
- (this.subject_col < 0 || (this.subject_col >= 0 && this.subject_col == c)))
- {
- subject = node.nodeType==3 ? node.data : node.innerHTML;
- names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />';
- break;
- }
- c++;
- }
- }
- }
- }
-
- this.draglayer.write(names);
- this.draglayer.show(1);
-
- this.drag_active = true;
- this.trigger_event('dragstart');
- }
-
- if (this.drag_active && this.draglayer)
- {
- var pos = rcube_event.get_mouse_pos(e);
- this.draglayer.move(pos.x+20, pos.y-5);
- this.trigger_event('dragmove', e);
- }
-
- this.drag_start = false;
-
- return false;
-},
-
-
-/**
- * Handler for mouse up events
- */
-drag_mouse_up: function(e)
-{
- document.onmousemove = null;
-
- if (this.draglayer && this.draglayer.visible)
- this.draglayer.show(0);
-
- this.drag_active = false;
- this.trigger_event('dragend');
-
- rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
- rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});
-
- var iframes = document.getElementsByTagName('IFRAME');
- for (var n in iframes) {
- var iframedoc;
-
- if (iframes[n].contentDocument)
- iframedoc = iframes[n].contentDocument;
- else if (iframes[n].contentWindow)
- iframedoc = iframes[n].contentWindow.document;
- else if (iframes[n].document)
- iframedoc = iframes[n].document;
-
- if (iframedoc) {
- if (this.iframe_events[n]) {
- if (iframedoc.removeEventListener)
- iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
- else if (iframedoc.detachEvent)
- iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
- else
- iframedoc['onmousemove'] = null;
- }
- rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
- }
- }
-
- this.focus();
-
- return rcube_event.cancel(e);
-},
-
-
-
-/**
- * set/unset a specific class name
- */
-set_classname: function(obj, classname, set)
-{
- var reg = new RegExp('\s*'+classname, 'i');
- if (!set && obj.className.match(reg))
- obj.className = obj.className.replace(reg, '');
- else if (set && !obj.className.match(reg))
- obj.className += ' '+classname;
-},
-
-
-/**
- * Setter for object event handlers
- *
- * @param {String} Event name
- * @param {Function} Handler function
- * @return Listener ID (used to remove this handler later on)
- */
-addEventListener: function(evt, handler)
-{
- if (this.events[evt]) {
- var handle = this.events[evt].length;
- this.events[evt][handle] = handler;
- return handle;
- }
- else
- return false;
-},
-
-
-/**
- * Removes a specific event listener
- *
- * @param {String} Event name
- * @param {Int} Listener ID to remove
- */
-removeEventListener: function(evt, handle)
-{
- if (this.events[evt] && this.events[evt][handle])
- this.events[evt][handle] = null;
-},
-
-
-/**
- * This will execute all registered event handlers
- * @private
- */
-trigger_event: function(evt, p)
-{
- if (this.events[evt] && this.events[evt].length) {
- for (var i=0; i<this.events[evt].length; i++)
- if (typeof(this.events[evt][i]) == 'function')
- this.events[evt][i](this, p);
- }
-}
-
-
-};
-
projects / roundcube.git / blobdiff