Файл: framework/javascript/TreeDropdownField.js
Строк: 571
<?php
(function($) {
$.entwine('ss', function($){
/**
* On resize of any close the open treedropdownfields
* as we'll need to redo with widths
*/
var windowWidth, windowHeight;
$(window).bind('resize.treedropdownfield', function() {
// Entwine's 'fromWindow::onresize' does not trigger on IE8. Use synthetic event.
var cb = function() {$('.TreeDropdownField').closePanel();};
// Workaround to avoid IE8 infinite loops when elements are resized as a result of this event
if($.browser.msie && parseInt($.browser.version, 10) < 9) {
var newWindowWidth = $(window).width(), newWindowHeight = $(window).height();
if(newWindowWidth != windowWidth || newWindowHeight != windowHeight) {
windowWidth = newWindowWidth;
windowHeight = newWindowHeight;
cb();
}
} else {
cb();
}
});
var strings = {
'openlink': ss.i18n._t('TreeDropdownField.OpenLink'),
'fieldTitle': '(' + ss.i18n._t('TreeDropdownField.FieldTitle') + ')',
'searchFieldTitle': '(' + ss.i18n._t('TreeDropdownField.SearchFieldTitle') + ')'
};
var _clickTestFn = function(e) {
// If the click target is not a child of the current field, close the panel automatically.
if(!$(e.target).parents('.TreeDropdownField').length) $('.TreeDropdownField').closePanel();
};
/**
* @todo Error display
* @todo No results display for search
* @todo Automatic expansion of ajax children when multiselect is triggered
* @todo Automatic panel positioning based on available space (top/bottom)
* @todo forceValue
* @todo Automatic width
* @todo Expand title height to fit all elements
*/
$('.TreeDropdownField').entwine({
// XMLHttpRequest
CurrentXhr: null,
onadd: function() {
this.append(
'<span class="treedropdownfield-title"></span>' +
'<div class="treedropdownfield-toggle-panel-link"><a href="#" class="ui-icon ui-icon-triangle-1-s"></a></div>' +
'<div class="treedropdownfield-panel"><div class="tree-holder"></div></div>'
);
var linkTitle = strings.openLink;
if(linkTitle) this.find("treedropdownfield-toggle-panel-link a").attr('title', linkTitle);
if(this.data('title')) this.setTitle(this.data('title'));
this.getPanel().hide();
this._super();
},
getPanel: function() {
return this.find('.treedropdownfield-panel');
},
openPanel: function() {
// close all other panels
$('.TreeDropdownField').closePanel();
// Listen for clicks outside of the field to auto-close it
$('body').bind('click', _clickTestFn);
var panel = this.getPanel(), tree = this.find('.tree-holder');
panel.css('width', this.width());
panel.show();
// swap the down arrow with an up arrow
var toggle = this.find(".treedropdownfield-toggle-panel-link");
toggle.addClass('treedropdownfield-open-tree');
this.addClass("treedropdownfield-open-tree");
toggle.find("a")
.removeClass('ui-icon-triangle-1-s')
.addClass('ui-icon-triangle-1-n');
if(tree.is(':empty') && !panel.hasClass('loading')) {
this.loadTree(null, this._riseUp);
} else {
this._riseUp();
}
this.trigger('panelshow');
},
_riseUp: function() {
var container = this,
dropdown = this.getPanel(),
toggle = this.find(".treedropdownfield-toggle-panel-link"),
offsetTop = toggle.innerHeight(),
elHeight,
elPos,
endOfWindow;
if (toggle.length > 0) {
endOfWindow = ($(window).height() + $(document).scrollTop()) - toggle.innerHeight();
elPos = toggle.offset().top;
elHeight = dropdown.innerHeight();
// If the dropdown is too close to the bottom of the page, position it above the 'trigger'
if (elPos + elHeight > endOfWindow && elPos - elHeight > 0) {
container.addClass('treedropdownfield-with-rise');
offsetTop = -dropdown.outerHeight();
} else {
container.removeClass('treedropdownfield-with-rise');
}
}
dropdown.css({"top": offsetTop + "px"});
},
closePanel: function() {
jQuery('body').unbind('click', _clickTestFn);
// swap the up arrow with a down arrow
var toggle = this.find(".treedropdownfield-toggle-panel-link");
toggle.removeClass('treedropdownfield-open-tree');
this.removeClass('treedropdownfield-open-tree treedropdownfield-with-rise');
toggle.find("a")
.removeClass('ui-icon-triangle-1-n')
.addClass('ui-icon-triangle-1-s');
this.getPanel().hide();
this.trigger('panelhide');
},
togglePanel: function() {
this[this.getPanel().is(':visible') ? 'closePanel' : 'openPanel']();
},
setTitle: function(title) {
title = title || this.data('empty-title') || strings.fieldTitle;
this.find('.treedropdownfield-title').html(title);
this.data('title', title); // separate view from storage (important for search cancellation)
},
getTitle: function() {
return this.find('.treedropdownfield-title').text();
},
/**
* Update title from tree node value
*/
updateTitle: function() {
var self = this, tree = self.find('.tree-holder'), val = this.getValue();
var updateFn = function() {
var val = self.getValue();
if(val) {
var node = tree.find('*[data-id="' + val + '"]'),
title = node.children('a').find("span.jstree_pageicon")?node.children('a').find("span.item").html():null;
if(!title) title=(node.length > 0) ? tree.jstree('get_text', node[0]) : null;
if(title) {
self.setTitle(title);
self.data('title', title);
}
if(node) tree.jstree('select_node', node);
}
else {
self.setTitle(self.data('empty-title'));
self.removeData('title');
}
};
// Load the tree if its not already present
if(!tree.is(':empty') || !val) updateFn();
else this.loadTree({forceValue: val}, updateFn);
},
setValue: function(val) {
this.data('metadata', $.extend(this.data('metadata'), {id: val}));
this.find(':input:hidden').val(val)
// Trigger synthetic event so subscribers can workaround the IE8 problem with 'change' events
// not propagating on hidden inputs. 'change' is still triggered for backwards compatiblity.
.trigger('valueupdated')
.trigger('change');
},
getValue: function() {
return this.find(':input:hidden').val();
},
loadTree: function(params, callback) {
var self = this, panel = this.getPanel(), treeHolder = $(panel).find('.tree-holder'),
params = (params) ? $.extend({}, this.getRequestParams(), params) : this.getRequestParams(), xhr;
if(this.getCurrentXhr()) this.getCurrentXhr().abort();
panel.addClass('loading');
xhr = $.ajax({
url: this.data('urlTree'),
data: params,
complete: function(xhr, status) {
panel.removeClass('loading');
},
success: function(html, status, xhr) {
treeHolder.html(html);
var firstLoad = true;
treeHolder
.jstree('destroy')
.bind('loaded.jstree', function(e, data) {
var val = self.getValue(), selectNode = treeHolder.find('*[data-id="' + val + '"]'),
currentNode = data.inst.get_selected();
if(val && selectNode != currentNode) data.inst.select_node(selectNode);
firstLoad = false;
if(callback) callback.apply(self);
})
.jstree(self.getTreeConfig())
.bind('select_node.jstree', function(e, data) {
var node = data.rslt.obj, id = $(node).data('id');
if(!firstLoad && self.getValue() == id) {
// Value is already selected, unselect it (for lack of a better UI to do this)
self.data('metadata', null);
self.setTitle(null);
self.setValue(null);
data.inst.deselect_node(node);
} else {
self.data('metadata', $.extend({id: id}, $(node).getMetaData()));
self.setTitle(data.inst.get_text(node));
self.setValue(id);
}
// Avoid auto-closing panel on first load
if(!firstLoad) self.closePanel();
firstLoad=false;
});
self.setCurrentXhr(null);
}
});
this.setCurrentXhr(xhr);
},
getTreeConfig: function() {
var self = this;
return {
'core': {
'html_titles': true,
// 'initially_open': ['record-0'],
'animation': 0
},
'html_data': {
// TODO Hack to avoid ajax load on init, see http://code.google.com/p/jstree/issues/detail?id=911
'data': this.getPanel().find('.tree-holder').html(),
'ajax': {
'url': function(node) {
var url = $.path.parseUrl(self.data('urlTree')).hrefNoSearch;
return url + '/' + ($(node).data("id") ? $(node).data("id") : 0);
},
'data': function(node) {
var query = $.query.load(self.data('urlTree')).keys;
var params = self.getRequestParams();
params = $.extend({}, query, params, {ajax: 1});
return params;
}
}
},
'ui': {
"select_limit" : 1,
'initially_select': [this.getPanel().find('.current').attr('id')]
},
'themes': {
'theme': 'apple'
},
'types' : {
'types' : {
'default': {
'check_node': function(node) {
return ( ! node.hasClass('disabled'));
},
'uncheck_node': function(node) {
return ( ! node.hasClass('disabled'));
},
'select_node': function(node) {
return ( ! node.hasClass('disabled'));
},
'deselect_node': function(node) {
return ( ! node.hasClass('disabled'));
}
}
}
},
'plugins': ['html_data', 'ui', 'themes', 'types']
};
},
/**
* If the field is contained in a form, submit all form parameters by default.
* This is useful to keep state like locale values which are typically
* encoded in hidden fields through the form.
*
* @return {object}
*/
getRequestParams: function() {
return {};
}
});
$('.TreeDropdownField .tree-holder li').entwine({
/**
* Overload to return more data. The same data should be set on initial
* value through PHP as well (see TreeDropdownField->Field()).
*
* @return {object}
*/
getMetaData: function() {
var matches = this.attr('class').match(/class-([^s]*)/i);
var klass = matches ? matches[1] : '';
return {ClassName: klass};
}
});
$('.TreeDropdownField *').entwine({
getField: function() {
return this.parents('.TreeDropdownField:first');
}
});
$('.TreeDropdownField').entwine({
onclick: function(e) {
this.togglePanel();
return false;
}
});
$('.TreeDropdownField .treedropdownfield-panel').entwine({
onclick: function(e) {
return false;
}
});
$('.TreeDropdownField.searchable').entwine({
onadd: function() {
this._super();
var title = ss.i18n._t('TreeDropdownField.ENTERTOSEARCH');
this.find('.treedropdownfield-panel').prepend(
$('<input type="text" class="search treedropdownfield-search" data-skip-autofocus="true" placeholder="' + title + '" value="" />')
);
},
search: function(str, callback) {
this.openPanel();
this.loadTree({search: str}, callback);
},
cancelSearch: function() {
this.closePanel();
this.loadTree();
}
});
$('.TreeDropdownField.searchable input.search').entwine({
onkeydown: function(e) {
var field = this.getField();
if(e.keyCode == 13) {
// trigger search on ENTER key
field.search(this.val());
return false;
} else if(e.keyCode == 27) {
// cancel search on ESC key
field.cancelSearch();
}
}
});
$('.TreeDropdownField.multiple').entwine({
getTreeConfig: function() {
var cfg = this._super();
cfg.checkbox = {override_ui: true, two_state: true};
cfg.plugins.push('checkbox');
cfg.ui.select_limit = -1;
return cfg;
},
loadTree: function(params, callback) {
var self = this, panel = this.getPanel(), treeHolder = $(panel).find('.tree-holder');
var params = (params) ? $.extend({}, this.getRequestParams(), params) : this.getRequestParams(), xhr;
if(this.getCurrentXhr()) this.getCurrentXhr().abort();
panel.addClass('loading');
xhr = $.ajax({
url: this.data('urlTree'),
data: params,
complete: function(xhr, status) {
panel.removeClass('loading');
},
success: function(html, status, xhr) {
treeHolder.html(html);
var firstLoad = true;
self.setCurrentXhr(null);
treeHolder
.jstree('destroy')
.bind('loaded.jstree', function(e, data) {
$.each(self.getValue(), function(i, val) {
data.inst.check_node(treeHolder.find('*[data-id=' + val + ']'));
});
firstLoad = false;
if(callback) callback.apply(self);
})
.jstree(self.getTreeConfig())
.bind('uncheck_node.jstree check_node.jstree', function(e, data) {
var nodes = data.inst.get_checked(null, true);
self.setValue($.map(nodes, function(el, i) {
return $(el).data('id');
}));
self.setTitle($.map(nodes, function(el, i) {
return data.inst.get_text(el);
}));
self.data('metadata', $.map(nodes, function(el, i) {
return {id: $(el).data('id'), metadata: $(el).getMetaData()};
}));
});
}
});
this.setCurrentXhr(xhr);
},
getValue: function() {
var val = this._super();
return val.split(/ *, */);
},
setValue: function(val) {
this._super($.isArray(val) ? val.join(',') : val);
},
setTitle: function(title) {
this._super($.isArray(title) ? title.join(', ') : title);
},
updateTitle: function() {
// TODO Not supported due to multiple values/titles yet
}
});
$('.TreeDropdownField input[type=hidden]').entwine({
onadd: function() {
this._super();
this.bind('change.TreeDropdownField', function() {
$(this).getField().updateTitle();
});
},
onremove: function() {
this._super();
this.unbind('.TreeDropdownField');
}
});
});
}(jQuery));
?>