cms/drupal/modules/field_ui/field_ui.js
changeset 541 e756a8c72c3d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/field_ui/field_ui.js	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,341 @@
+/**
+ * @file
+ * Attaches the behaviors for the Field UI module.
+ */
+ 
+(function($) {
+
+Drupal.behaviors.fieldUIFieldOverview = {
+  attach: function (context, settings) {
+    $('table#field-overview', context).once('field-overview', function () {
+      Drupal.fieldUIFieldOverview.attachUpdateSelects(this, settings);
+    });
+  }
+};
+
+Drupal.fieldUIFieldOverview = {
+  /**
+   * Implements dependent select dropdowns on the 'Manage fields' screen.
+   */
+  attachUpdateSelects: function(table, settings) {
+    var widgetTypes = settings.fieldWidgetTypes;
+    var fields = settings.fields;
+
+    // Store the default text of widget selects.
+    $('.widget-type-select', table).each(function () {
+      this.initialValue = this.options[0].text;
+    });
+
+    // 'Field type' select updates its 'Widget' select.
+    $('.field-type-select', table).each(function () {
+      this.targetSelect = $('.widget-type-select', $(this).closest('tr'));
+
+      $(this).bind('change keyup', function () {
+        var selectedFieldType = this.options[this.selectedIndex].value;
+        var options = (selectedFieldType in widgetTypes ? widgetTypes[selectedFieldType] : []);
+        this.targetSelect.fieldUIPopulateOptions(options);
+      });
+
+      // Trigger change on initial pageload to get the right widget options
+      // when field type comes pre-selected (on failed validation).
+      $(this).trigger('change', false);
+    });
+
+    // 'Existing field' select updates its 'Widget' select and 'Label' textfield.
+    $('.field-select', table).each(function () {
+      this.targetSelect = $('.widget-type-select', $(this).closest('tr'));
+      this.targetTextfield = $('.label-textfield', $(this).closest('tr'));
+      this.targetTextfield
+        .data('field_ui_edited', false)
+        .bind('keyup', function (e) {
+          $(this).data('field_ui_edited', $(this).val() != '');
+        });
+
+      $(this).bind('change keyup', function (e, updateText) {
+        var updateText = (typeof updateText == 'undefined' ? true : updateText);
+        var selectedField = this.options[this.selectedIndex].value;
+        var selectedFieldType = (selectedField in fields ? fields[selectedField].type : null);
+        var selectedFieldWidget = (selectedField in fields ? fields[selectedField].widget : null);
+        var options = (selectedFieldType && (selectedFieldType in widgetTypes) ? widgetTypes[selectedFieldType] : []);
+        this.targetSelect.fieldUIPopulateOptions(options, selectedFieldWidget);
+
+        // Only overwrite the "Label" input if it has not been manually
+        // changed, or if it is empty.
+        if (updateText && !this.targetTextfield.data('field_ui_edited')) {
+          this.targetTextfield.val(selectedField in fields ? fields[selectedField].label : '');
+        }
+      });
+
+      // Trigger change on initial pageload to get the right widget options
+      // and label when field type comes pre-selected (on failed validation).
+      $(this).trigger('change', false);
+    });
+  }
+};
+
+/**
+ * Populates options in a select input.
+ */
+jQuery.fn.fieldUIPopulateOptions = function (options, selected) {
+  return this.each(function () {
+    var disabled = false;
+    if (options.length == 0) {
+      options = [this.initialValue];
+      disabled = true;
+    }
+
+    // If possible, keep the same widget selected when changing field type.
+    // This is based on textual value, since the internal value might be
+    // different (options_buttons vs. node_reference_buttons).
+    var previousSelectedText = this.options[this.selectedIndex].text;
+
+    var html = '';
+    jQuery.each(options, function (value, text) {
+      // Figure out which value should be selected. The 'selected' param
+      // takes precedence.
+      var is_selected = ((typeof selected != 'undefined' && value == selected) || (typeof selected == 'undefined' && text == previousSelectedText));
+      html += '<option value="' + value + '"' + (is_selected ? ' selected="selected"' : '') + '>' + text + '</option>';
+    });
+
+    $(this).html(html).attr('disabled', disabled ? 'disabled' : false);
+  });
+};
+
+Drupal.behaviors.fieldUIDisplayOverview = {
+  attach: function (context, settings) {
+    $('table#field-display-overview', context).once('field-display-overview', function() {
+      Drupal.fieldUIOverview.attach(this, settings.fieldUIRowsData, Drupal.fieldUIDisplayOverview);
+    });
+  }
+};
+
+Drupal.fieldUIOverview = {
+  /**
+   * Attaches the fieldUIOverview behavior.
+   */
+  attach: function (table, rowsData, rowHandlers) {
+    var tableDrag = Drupal.tableDrag[table.id];
+
+    // Add custom tabledrag callbacks.
+    tableDrag.onDrop = this.onDrop;
+    tableDrag.row.prototype.onSwap = this.onSwap;
+
+    // Create row handlers.
+    $('tr.draggable', table).each(function () {
+      // Extract server-side data for the row.
+      var row = this;
+      if (row.id in rowsData) {
+        var data = rowsData[row.id];
+        data.tableDrag = tableDrag;
+
+        // Create the row handler, make it accessible from the DOM row element.
+        var rowHandler = new rowHandlers[data.rowHandler](row, data);
+        $(row).data('fieldUIRowHandler', rowHandler);
+      }
+    });
+  },
+
+  /**
+   * Event handler to be attached to form inputs triggering a region change.
+   */
+  onChange: function () {
+    var $trigger = $(this);
+    var row = $trigger.closest('tr').get(0);
+    var rowHandler = $(row).data('fieldUIRowHandler');
+
+    var refreshRows = {};
+    refreshRows[rowHandler.name] = $trigger.get(0);
+
+    // Handle region change.
+    var region = rowHandler.getRegion();
+    if (region != rowHandler.region) {
+      // Remove parenting.
+      $('select.field-parent', row).val('');
+      // Let the row handler deal with the region change.
+      $.extend(refreshRows, rowHandler.regionChange(region));
+      // Update the row region.
+      rowHandler.region = region;
+    }
+
+    // Ajax-update the rows.
+    Drupal.fieldUIOverview.AJAXRefreshRows(refreshRows);
+  },
+
+  /**
+   * Lets row handlers react when a row is dropped into a new region.
+   */
+  onDrop: function () {
+    var dragObject = this;
+    var row = dragObject.rowObject.element;
+    var rowHandler = $(row).data('fieldUIRowHandler');
+    if (typeof rowHandler !== 'undefined') {
+      var regionRow = $(row).prevAll('tr.region-message').get(0);
+      var region = regionRow.className.replace(/([^ ]+[ ]+)*region-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
+
+      if (region != rowHandler.region) {
+        // Let the row handler deal with the region change.
+        refreshRows = rowHandler.regionChange(region);
+        // Update the row region.
+        rowHandler.region = region;
+        // Ajax-update the rows.
+        Drupal.fieldUIOverview.AJAXRefreshRows(refreshRows);
+      }
+    }
+  },
+
+  /**
+   * Refreshes placeholder rows in empty regions while a row is being dragged.
+   *
+   * Copied from block.js.
+   *
+   * @param table
+   *   The table DOM element.
+   * @param rowObject
+   *   The tableDrag rowObject for the row being dragged.
+   */
+  onSwap: function (draggedRow) {
+    var rowObject = this;
+    $('tr.region-message', rowObject.table).each(function () {
+      // If the dragged row is in this region, but above the message row, swap
+      // it down one space.
+      if ($(this).prev('tr').get(0) == rowObject.group[rowObject.group.length - 1]) {
+        // Prevent a recursion problem when using the keyboard to move rows up.
+        if ((rowObject.method != 'keyboard' || rowObject.direction == 'down')) {
+          rowObject.swap('after', this);
+        }
+      }
+      // This region has become empty.
+      if ($(this).next('tr').is(':not(.draggable)') || $(this).next('tr').length == 0) {
+        $(this).removeClass('region-populated').addClass('region-empty');
+      }
+      // This region has become populated.
+      else if ($(this).is('.region-empty')) {
+        $(this).removeClass('region-empty').addClass('region-populated');
+      }
+    });
+  },
+
+  /**
+   * Triggers Ajax refresh of selected rows.
+   *
+   * The 'format type' selects can trigger a series of changes in child rows.
+   * The #ajax behavior is therefore not attached directly to the selects, but
+   * triggered manually through a hidden #ajax 'Refresh' button.
+   *
+   * @param rows
+   *   A hash object, whose keys are the names of the rows to refresh (they
+   *   will receive the 'ajax-new-content' effect on the server side), and
+   *   whose values are the DOM element in the row that should get an Ajax
+   *   throbber.
+   */
+  AJAXRefreshRows: function (rows) {
+    // Separate keys and values.
+    var rowNames = [];
+    var ajaxElements = [];
+    $.each(rows, function (rowName, ajaxElement) {
+      rowNames.push(rowName);
+      ajaxElements.push(ajaxElement);
+    });
+
+    if (rowNames.length) {
+      // Add a throbber next each of the ajaxElements.
+      var $throbber = $('<div class="ajax-progress ajax-progress-throbber"><div class="throbber">&nbsp;</div></div>');
+      $(ajaxElements)
+        .addClass('progress-disabled')
+        .after($throbber);
+
+      // Fire the Ajax update.
+      $('input[name=refresh_rows]').val(rowNames.join(' '));
+      $('input#edit-refresh').mousedown();
+
+      // Disabled elements do not appear in POST ajax data, so we mark the
+      // elements disabled only after firing the request.
+      $(ajaxElements).attr('disabled', true);
+    }
+  }
+};
+
+
+/**
+ * Row handlers for the 'Manage display' screen.
+ */
+Drupal.fieldUIDisplayOverview = {};
+
+/**
+ * Constructor for a 'field' row handler.
+ *
+ * This handler is used for both fields and 'extra fields' rows.
+ *
+ * @param row
+ *   The row DOM element.
+ * @param data
+ *   Additional data to be populated in the constructed object.
+ */
+Drupal.fieldUIDisplayOverview.field = function (row, data) {
+  this.row = row;
+  this.name = data.name;
+  this.region = data.region;
+  this.tableDrag = data.tableDrag;
+
+  // Attach change listener to the 'formatter type' select.
+  this.$formatSelect = $('select.field-formatter-type', row);
+  this.$formatSelect.change(Drupal.fieldUIOverview.onChange);
+
+  return this;
+};
+
+Drupal.fieldUIDisplayOverview.field.prototype = {
+  /**
+   * Returns the region corresponding to the current form values of the row.
+   */
+  getRegion: function () {
+    return (this.$formatSelect.val() == 'hidden') ? 'hidden' : 'visible';
+  },
+
+  /**
+   * Reacts to a row being changed regions.
+   *
+   * This function is called when the row is moved to a different region, as a
+   * result of either :
+   * - a drag-and-drop action (the row's form elements then probably need to be
+   *   updated accordingly)
+   * - user input in one of the form elements watched by the
+   *   Drupal.fieldUIOverview.onChange change listener.
+   *
+   * @param region
+   *   The name of the new region for the row.
+   * @return
+   *   A hash object indicating which rows should be Ajax-updated as a result
+   *   of the change, in the format expected by
+   *   Drupal.displayOverview.AJAXRefreshRows().
+   */
+  regionChange: function (region) {
+
+    // When triggered by a row drag, the 'format' select needs to be adjusted
+    // to the new region.
+    var currentValue = this.$formatSelect.val();
+    switch (region) {
+      case 'visible':
+        if (currentValue == 'hidden') {
+          // Restore the formatter back to the default formatter. Pseudo-fields do
+          // not have default formatters, we just return to 'visible' for those.
+          var value = (typeof this.defaultFormatter !== 'undefined') ? this.defaultFormatter : this.$formatSelect.find('option').val();
+        }
+        break;
+
+      default:
+        var value = 'hidden';
+        break;
+    }
+    if (value != undefined) {
+      this.$formatSelect.val(value);
+    }
+
+    var refreshRows = {};
+    refreshRows[this.name] = this.$formatSelect.get(0);
+
+    return refreshRows;
+  }
+};
+
+})(jQuery);