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/**
 * Calc Element Forms
 *
 * @copyright: Copyright (C) 2005-2013, fabrikar.com - All rights reserved.
 * @license:   GNU/GPL http://www.gnu.org/copyleft/gpl.html
 */

define(['jquery', 'fab/element'], function (jQuery,
FbElement) {
    window.FbCalc = new Class({
        Extends   : FbElement,
        initialize: function (element, options) {
            this.setPlugin('calc');
            this.parent(element, options);
            this.observeGroupIds = [];
        },

        attachedToForm: function (cloning) {
            if (this.options.ajax) {
                this.options.observe.each(function (o) {
                    this.addObserveEvent(o);
                }.bind(this));

                if (typeof cloning === 'undefined' &&
this.options.calcOnLoad) {
                    this.calc();
                }
                else if (cloning === true &&
(this.options.calcOnRepeat || this.options.calcOnLoad)) {
                    this.calc();
                }

                /**
                 * CDD which have subelements (radio, checkbox) will
destroy their subelements
                 * and recreate them on update, so we need to recreate the
observe events on a CDD update
                 */
                Fabrik.addEvent('fabrik.cdd.update', function
(el) {
                    if (el.hasSubElements()) {
                        if (jQuery.inArray(el.baseElementId,
this.options.observe) !== -1) {
                            this.addObserveEvent(el.baseElementId);
                        }
                    }
                }.bind(this));
            }

            Fabrik.addEvent('fabrik.form.group.duplicate.end',
function(form, event, groupId) {
                if (jQuery.inArray(groupId, this.observeGroupIds) !== -1) {
                    this.calc();
                }
            }.bind(this));

	        Fabrik.addEvent('fabrik.form.group.delete.end',
function(form, event, groupId) {
		        if (jQuery.inArray(groupId, this.observeGroupIds) !== -1) {
			        this.calc();
		        }
	        }.bind(this));

            this.parent();
        },

        addObserveEvent: function (o) {
            var o2, v2;
            if (o === '') {
                return;
            }
            if (this.form.formElements[o]) {
               
this.form.formElements[o].addNewEventAux(this.form.formElements[o].getChangeEvent(),
function (e) {
                    this.calc(e);
                }.bind(this));
            }
            else {
                // $$$ hugh - check to see if an observed element is
actually part of a repeat group,
                // and if so, modify the placeholder name they used to
match this instance of it
                // @TODO - add and test code for non-joined repeats!

                // @TODO:  this needs updating as we dont store as
join.x.element any more?
                if (this.options.canRepeat) {
                    o2 = o + '_' + this.options.repeatCounter;
                    if (this.form.formElements[o2]) {
                       
this.form.formElements[o2].addNewEventAux(this.form.formElements[o2].getChangeEvent(),
                            function (e) {
                                this.calc(e);
                            }.bind(this));
                    }
                }
                else {
                    this.form.repeatGroupMarkers.each(function (v, k) {
                        o2 = '';
                        for (v2 = 0; v2 < v; v2++) {
                            o2 = o + '_' + v2;
                            if (this.form.formElements[o2]) {
                                // $$$ hugh - think we can add this one as
sticky ...
                                this.form.formElements[o2].addNewEvent(
                                   
this.form.formElements[o2].getChangeEvent(),
                                    function (e) {
                                        this.calc(e);
                                    }.bind(this)
                                );
                                if (jQuery.inArray(k, this.observeGroupIds)
=== -1) {
                                    this.observeGroupIds.push(k);
                                }
                            }
                        }
                    }.bind(this));
                }
            }
        },

        calc: function () {
            var formData = this.form.getFormElementData();
            var testData = $H(this.form.getFormData(false));

            testData.each(function (v, k) {
                if (k.test(/\[\d+\]$/) || k.test(/^fabrik_vars/)) {
                    formData[k] = v;
                }
            }.bind(this));

            /*
            $H(formData).each(function (v, k) {
                var el = this.form.formElements.get(k);
                if (el && el.options.inRepeatGroup &&
el.options.joinid === this.options.joinid &&
                    el.options.repeatCounter ===
this.options.repeatCounter) {
                    formData[el.options.fullName] = v;
                    formData[el.options.fullName + '_raw'] =
formData[k + '_raw'];
                }
            }.bind(this));
            */

            // For placeholders lets set repeat joined groups to their full
element name

            var data = {
	            'option'       : 'com_fabrik',
	            'format'       : 'raw',
	            'task'         : 'plugin.pluginAjax',
	            'plugin'       : 'calc',
	            'method'       : 'ajax_calc',
	            'element_id'   : this.options.id,
	            'formid'       : this.form.id,
	            'repeatCounter': this.options.repeatCounter
            };
            data = Object.append(formData, data);
            Fabrik.loader.start(this.element.getParent(),
Joomla.JText._('COM_FABRIK_LOADING'));
            new Request.HTML({
                'url'     : '',
                method    : 'post',
                'data'    : data,
                onSuccess: function (tree, elements, r, scripts) {
                    Fabrik.loader.stop(this.element.getParent());
                    this.update(r);
                    eval(scripts);
                    if (this.options.validations) {

                        // If we have a validation on the element run it
after AJAX calc is done
                       
this.form.doElementValidation(this.options.element);
                    }
                    // Fire an onChange event so that js actions can be
attached and fired when the value updates
                    this.element.fireEvent('change', new
Event.Mock(this.element, 'change'));
                    Fabrik.fireEvent('fabrik.calc.update', [this,
r]);
                }.bind(this)
            }).send();
        },


        cloned: function (c) {
            this.parent(c);
            this.attachedToForm(true);
        },

        update: function (val) {
            if (this.getElement()) {
                this.element.innerHTML = val;
                this.options.value = val;
            }
        },

        getValue: function () {
            if (this.element) {
                return this.options.value;
            }
            return false;
        }
    });

    return window.FbCalc;
});