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/* global shippingClassesLocalizeScript, ajaxurl */ ( function( $, data, wp, ajaxurl ) { $( function() { var $tbody = $( '.wc-shipping-class-rows' ), $save_button = $( '.wc-shipping-class-save' ), $row_template = wp.template( 'wc-shipping-class-row' ), $blank_template = wp.template( 'wc-shipping-class-row-blank' ), // Backbone model ShippingClass = Backbone.Model.extend({ changes: {}, logChanges: function( changedRows ) { var changes = this.changes \|\| {}; _.each( changedRows, function( row, id ) { changes[ id ] = _.extend( changes[ id ] \|\| { term_id : id }, row ); } ); this.changes = changes; this.trigger( 'change:classes' ); }, save: function() { if ( _.size( this.changes ) ) { $.post( ajaxurl + ( ajaxurl.indexOf( '?' ) > 0 ? '&' : '?' ) + 'action=woocommerce_shipping_classes_save_changes', { wc_shipping_classes_nonce : data.wc_shipping_classes_nonce, changes : this.changes }, this.onSaveResponse, 'json' ); } else { shippingClass.trigger( 'saved:classes' ); } }, discardChanges: function( id ) { var changes = this.changes \|\| {}; // Delete all changes delete changes[ id ]; // No changes? Disable save button. if ( 0 === _.size( this.changes ) ) { shippingClassView.clearUnloadConfirmation(); } }, onSaveResponse: function( response, textStatus ) { if ( 'success' === textStatus ) { if ( response.success ) { shippingClass.set( 'classes', response.data.shipping_classes ); shippingClass.trigger( 'change:classes' ); shippingClass.changes = {}; shippingClass.trigger( 'saved:classes' ); } else if ( response.data ) { window.alert( response.data ); } else { window.alert( data.strings.save_failed ); } } shippingClassView.unblock(); } } ), // Backbone view ShippingClassView = Backbone.View.extend({ rowTemplate: $row_template, initialize: function() { this.listenTo( this.model, 'change:classes', this.setUnloadConfirmation ); this.listenTo( this.model, 'saved:classes', this.clearUnloadConfirmation ); this.listenTo( this.model, 'saved:classes', this.render ); $tbody.on( 'change', { view: this }, this.updateModelOnChange ); $( window ).on( 'beforeunload', { view: this }, this.unloadConfirmation ); $save_button.on( 'click', { view: this }, this.onSubmit ); $( document.body ).on( 'click', '.wc-shipping-class-add', { view: this }, this.onAddNewRow ); $( document.body ).on( 'click', '.wc-shipping-class-save-changes', { view: this }, this.onSubmit ); }, block: function() { $( this.el ).block({ message: null, overlayCSS: { background: '#fff', opacity: 0.6 } }); }, unblock: function() { $( this.el ).unblock(); }, render: function() { var classes = _.indexBy( this.model.get( 'classes' ), 'term_id' ), view = this; this.$el.empty(); this.unblock(); if ( _.size( classes ) ) { // Sort classes classes = _.sortBy( classes, function( shipping_class ) { return shipping_class.name; } ); // Populate $tbody with the current classes $.each( classes, function( id, rowData ) { view.renderRow( rowData ); } ); } else { view.$el.append( $blank_template ); } }, renderRow: function( rowData ) { var view = this; view.$el.append( view.rowTemplate( rowData ) ); view.initRow( rowData ); }, initRow: function( rowData ) { var view = this; var $tr = view.$el.find( 'tr[data-id="' + rowData.term_id + '"]'); // Support select boxes $tr.find( 'select' ).each( function() { var attribute = $( this ).data( 'attribute' ); $( this ).find( 'option[value="' + rowData[ attribute ] + '"]' ).prop( 'selected', true ); } ); // Make the rows function $tr.find( '.view' ).show(); $tr.find( '.edit' ).hide(); $tr.find( '.wc-shipping-class-edit' ).on( 'click', { view: this }, this.onEditRow ); $tr.find( '.wc-shipping-class-delete' ).on( 'click', { view: this }, this.onDeleteRow ); $tr.find( '.editing .wc-shipping-class-edit' ).trigger('click'); $tr.find( '.wc-shipping-class-cancel-edit' ).on( 'click', { view: this }, this.onCancelEditRow ); // Editing? if ( true === rowData.editing ) { $tr.addClass( 'editing' ); $tr.find( '.wc-shipping-class-edit' ).trigger( 'click' ); } }, onSubmit: function( event ) { event.data.view.block(); event.data.view.model.save(); event.preventDefault(); }, onAddNewRow: function( event ) { event.preventDefault(); var view = event.data.view, model = view.model, classes = _.indexBy( model.get( 'classes' ), 'term_id' ), changes = {}, size = _.size( classes ), newRow = _.extend( {}, data.default_shipping_class, { term_id: 'new-' + size + '-' + Date.now(), editing: true, newRow : true } ); changes[ newRow.term_id ] = newRow; model.logChanges( changes ); view.renderRow( newRow ); $( '.wc-shipping-classes-blank-state' ).remove(); }, onEditRow: function( event ) { event.preventDefault(); $( this ).closest('tr').addClass('editing'); $( this ).closest('tr').find('.view').hide(); $( this ).closest('tr').find('.edit').show(); event.data.view.model.trigger( 'change:classes' ); }, onDeleteRow: function( event ) { var view = event.data.view, model = view.model, classes = _.indexBy( model.get( 'classes' ), 'term_id' ), changes = {}, term_id = $( this ).closest('tr').data('id'); event.preventDefault(); if ( classes[ term_id ] ) { delete classes[ term_id ]; changes[ term_id ] = _.extend( changes[ term_id ] \|\| {}, { deleted : 'deleted' } ); model.set( 'classes', classes ); model.logChanges( changes ); } view.render(); }, onCancelEditRow: function( event ) { var view = event.data.view, model = view.model, row = $( this ).closest('tr'), term_id = $( this ).closest('tr').data('id'), classes = _.indexBy( model.get( 'classes' ), 'term_id' ); event.preventDefault(); model.discardChanges( term_id ); if ( classes[ term_id ] ) { classes[ term_id ].editing = false; row.after( view.rowTemplate( classes[ term_id ] ) ); view.initRow( classes[ term_id ] ); } row.remove(); }, setUnloadConfirmation: function() { this.needsUnloadConfirm = true; $save_button.removeAttr( 'disabled' ); }, clearUnloadConfirmation: function() { this.needsUnloadConfirm = false; $save_button.attr( 'disabled', 'disabled' ); }, unloadConfirmation: function( event ) { if ( event.data.view.needsUnloadConfirm ) { event.returnValue = data.strings.unload_confirmation_msg; window.event.returnValue = data.strings.unload_confirmation_msg; return data.strings.unload_confirmation_msg; } }, updateModelOnChange: function( event ) { var model = event.data.view.model, $target = $( event.target ), term_id = $target.closest( 'tr' ).data( 'id' ), attribute = $target.data( 'attribute' ), value = $target.val(), classes = _.indexBy( model.get( 'classes' ), 'term_id' ), changes = {}; if ( ! classes[ term_id ] \|\| classes[ term_id ][ attribute ] !== value ) { changes[ term_id ] = {}; changes[ term_id ][ attribute ] = value; } model.logChanges( changes ); } } ), shippingClass = new ShippingClass({ classes: data.classes } ), shippingClassView = new ShippingClassView({ model: shippingClass, el: $tbody } ); shippingClassView.render(); }); })( jQuery, shippingClassesLocalizeScript, wp, ajaxurl );