silverstripe-framework/javascript/GridField.js

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JavaScript
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(function($){
$('fieldset.ss-gridfield').entwine({
/**
* @param {Object} Additional options for jQuery.ajax() call
*/
reload: function(ajaxOpts, successCallback) {
var self = this, form = this.closest('form'), data = form.find(':input').serializeArray();
if(!ajaxOpts) ajaxOpts = {};
if(!ajaxOpts.data) ajaxOpts.data = [];
ajaxOpts.data = ajaxOpts.data.concat(data);
form.addClass('loading');
$.ajax($.extend({}, {
headers: {"X-Get-Fragment" : 'CurrentField'},
type: "POST",
url: this.data('url'),
dataType: 'html',
success: function(data) {
// Replace the grid field with response, not the form.
// TODO Only replaces all its children, to avoid replacing the current scope
// of the executing method. Means that it doesn't retrigger the onmatch() on the main container.
self.empty().append($(data).children());
form.removeClass('loading');
if(successCallback) successCallback.apply(this, arguments);
},
error: function(e) {
alert(ss.i18n._t('GRIDFIELD.ERRORINTRANSACTION', 'An error occured while fetching data from the server\n Please try again later.'));
form.removeClass('loading');
}
}, ajaxOpts));
},
getItems: function() {
return this.find('.ss-gridfield-item');
},
/**
* @param {String}
* @param {Mixed}
*/
setState: function(k, v) {
var state = this.getState();
state[k] = v;
this.find(':input[name="' + this.data('name') + '[GridState]"]').val(JSON.stringify(state));
},
/**
* @return {Object}
*/
getState: function() {
return JSON.parse(this.find(':input[name="' + this.data('name') + '[GridState]"]').val());
}
});
$('fieldset.ss-gridfield *').entwine({
getGridField: function() {
return this.parents('fieldset.ss-gridfield:first');
}
});
$('fieldset.ss-gridfield .action').entwine({
onclick: function(e){
this.getGridField().reload({data: [{name: this.attr('name'), value: this.val()}]});
e.preventDefault();
}
});
/*
* Upon focusing on a filter <input> element, move "filter" and "reset" buttons and display next to the current <input> element
* ToDo ensure filter-button state is maintained after filtering (see resetState param)
* ToDo get working in IE 6-7
*/
$('fieldset.ss-gridfield input.ss-gridfield-sort').entwine({
onfocusin: function(e) {
// Dodgy results in IE <=7 & ignore if only one filter-field
countfields = $('fieldset.ss-gridfield input.ss-gridfield-sort').length;
if(($.browser.msie && $.browser.version <= 7) || countfields == 1) {
return false;
}
var eleInput = $(this);
// Remove existing <div> and <button> elements in-lieu of cloning
this.getGridField().find('th > div').each(function(i,v) {$(v).remove();});
var eleButtonSetFilter = $('#action_filter');
var eleButtonResetFilter = $('#action_reset');
// Retain current widths to ensure <th>'s don't shift widths
var eleButtonWidth = eleButtonSetFilter.width();
// Check <th> doesn't already have an (extra) cloned <button> appended, otherwise clone
if(eleInput.closest('th').children().length == 1) {
var newButtonCss = {
'position':'absolute',
'top':'-23px',
'left':'0',
'border':'#EEE solid 1px',
'padding':'0',
'margin-left':'0'
};
// Append a <div> element used purely for CSS positioning - table elements on their own are untrustworthy to style in this manner
$('<div/>').append(
eleButtonSetFilter.clone().css(newButtonCss),
eleButtonResetFilter.clone().css(newButtonCss).css('left',(eleButtonWidth+4)+'px')
).css({'position':'relative','margin':'0 auto','width':'65%'}).appendTo(eleInput.closest('th'));
}
}
});
/**
* Allows selection of one or more rows in the grid field.
* Purely clientside at the moment.
*/
$('fieldset.ss-gridfield[data-selectable]').entwine({
/**
* @return {jQuery} Collection
*/
getSelectedItems: function() {
return this.find('.ss-gridfield-item.ui-selected');
},
/**
* @return {Array} Of record IDs
*/
getSelectedIDs: function() {
return $.map(this.getSelectedItems(), function(el) {return $(el).data('id');});
}
});
$('fieldset.ss-gridfield[data-selectable] .ss-gridfield-items').entwine({
onmatch: function() {
this._super();
// TODO Limit to single selection
this.selectable();
},
onunmatch: function() {
this._super();
this.selectable('destroy');
}
});
}(jQuery));