Liferay.TagsSelector = new Class({
/*
params.instanceVar: the instance variable for this class
params.hiddenInput: the hidden input used to pass in the current tags
params.textInput: the text input for users to add tags
params.summarySpan: the summary span tos how the current tags
params.curTags: comma delimited string of current tags
params.focus: true if the text input should be focused
*/
initialize: function(params) {
var instance = this;
instance._curTags = [];
instance.params = params;
var hiddenInput = jQuery('#' + params.hiddenInput);
hiddenInput.attr('name', hiddenInput.attr('id'));
var textInput = jQuery('#' + params.textInput);
textInput.Autocomplete(
{
source: instance._getTags,
delay: 0,
fx: {
type: 'slide',
duration: 400
},
autofill: false,
dataSourceType: 'json',
helperClass: 'autocomplete-box',
selectClass: 'autocomplete-selected',
multiple: true,
mutipleSeparator: ',',
minchars: 1,
onSelect: function(option) {
if (this.createTextRange) {
var value = this.value;
var textRange = this.createTextRange();
textRange.moveStart('character', value.length);
textRange.select();
}
},
onShow: function() {
jQuery(this).addClass('showing-list');
},
onHide: function() {
jQuery(this).removeClass('showing-list');
}
}
);
instance._popupVisible = false;
instance._setupSelectTags();
var addTagButton = jQuery('#' + params.addTagButton);
addTagButton.click(
function() {
var curTags = instance._curTags;
var newTags = textInput.val().split(",");
jQuery.each(
newTags,
function (i, n) {
n = jQuery.trim(n);
if (curTags.indexOf(n) == -1) {
if (n != "") {
curTags.push(n);
if (instance._popupVisible) {
jQuery('input[@type=checkbox][@value$=' + n + ']', instance.selectTagPopup).attr('checked', true);
}
}
}
}
);
curTags = curTags.sort();
textInput.val('');
instance._update();
}
);
textInput.keypress(
function(event) {
if ((event.keyCode == 13) && !jQuery(this).is('.showing-list')) {
addTagButton.trigger('click');
return false;
}
}
);
if (params.focus) {
textInput.focus();
}
if (params.curTags != '') {
instance._curTags = params.curTags.split(',');
instance._update();
}
},
deleteTag: function(id) {
var instance = this;
var params = instance.params;
var curTags = instance._curTags;
jQuery('#' + params.instanceVar + 'CurTags' + id).remove();
var value = curTags.splice(id, 1);
if (instance._popupVisible) {
jQuery('input[@type=checkbox][@value$=' + value + ']', instance.selectTagPopup).attr('checked', false);
}
instance._update();
},
_getTags: function(data) {
var beginning = data.start || 0;
var end = data.end || 20;
data.value = data.value || '';
return Liferay.Service.Tags.TagsEntry.searchAutocomplete(
{
companyId: themeDisplay.getCompanyId(),
name: "%" + data.value + "%",
properties: "",
begin: 0,
end: 20
}
);
},
_setupSelectTags: function() {
var instance = this;
var params = instance.params;
var ns = params.instanceVar;
var input = jQuery('#' + ns + 'selectTag');
input.click(
function() {
instance._showSelectPopup();
}
);
},
_showSelectPopup: function() {
var instance = this;
var params = instance.params;
var ns = params.instanceVar;
var mainContainer = jQuery('<div class="lfr-tag-select-container"></div>');
var container = jQuery('<div class="lfr-tag-container"></div>');
var tags = instance._getTags({end: 1000});
jQuery.each(
tags,
function(i, n) {
var checked = (instance._curTags.indexOf(this.value) > -1) ? ' checked="checked"' : '';
var label =
'<label title="' + this.text + '">' +
'<input' + checked + ' type="checkbox" name="' + ns + 'input' + i + '" id="' + ns + 'input' + i + '" value="' + this.value + '" />' +
'<a class="lfr-label-text" href="javascript: ;">' + this.text + '</a>' +
'</label>';
container.append(label);
}
);
var saveBtn = jQuery('<input class="submit lfr-save-button" id="' + ns + 'saveButton" type="submit" value="' + Liferay.Language.get('save') + '" />');
saveBtn.click(
function() {
instance._curTags = [];
container.find('input:checked').each(
function(){
instance._curTags.push(this.value);
}
);
instance._update();
Liferay.Popup.close(instance.selectTagPopup);
instance._popupVisible = false;
}
);
mainContainer.append(container).append(saveBtn);
var popup = Liferay.Popup(
{
modal: false,
height: 300,
width: 400,
message: mainContainer[0],
onClose: function() {
instance._popupVisible = false;
}
}
);
instance.selectTagPopup = popup;
instance._popupVisible = true;
if (Liferay.Browser.is_ie) {
jQuery('.lfr-label-text', popup).click(
function() {
var input = jQuery(this.previousSibling);
var checkedState = !input.is(':checked');
input.attr('checked', checkedState);
}
);
}
},
_update: function() {
var instance = this;
instance._updateHiddenInput();
instance._updateSummarySpan();
},
_updateHiddenInput: function() {
var instance = this;
var params = instance.params;
var curTags = instance._curTags;
var hiddenInput = jQuery('#' + params.hiddenInput);
hiddenInput.val(curTags.join(','));
},
_updateSummarySpan: function() {
var instance = this;
var params = instance.params;
var curTags = instance._curTags;
var html = '';
jQuery(curTags).each(
function(i, curTag) {
html += '<span id="' + params.instanceVar + 'CurTags' + i + '">';
html += curTag + ' ';
html += '[<a href="javascript: ' + params.instanceVar + '.deleteTag(' + i + ');">x</a>]';
if ((i + 1) < curTags.length) {
html += ', ';
}
html += '</span>';
}
);
var tagsSummary = jQuery('#' + params.summarySpan);
tagsSummary.html(html);
}
});