/[drupal]/contributions/modules/index/includes/index.classes.inc
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Diff of /contributions/modules/index/includes/index.classes.inc

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revision 1.1.2.12 by xano, Tue Nov 17 16:08:36 2009 UTC revision 1.1.2.13 by xano, Tue Nov 17 22:34:07 2009 UTC
# Line 15  class index { Line 15  class index {
15    public $block_enabled = '';    public $block_enabled = '';
16    public $block_mode = '';    public $block_mode = '';
17    public $layers = array();    public $layers = array();
   public $data = array();  
18    
19    /**    /**
20     * Fill all properties.     * Fill all properties.
# Line 39  class index { Line 38  class index {
38      // Load and process layers.      // Load and process layers.
39      $layers = array();      $layers = array();
40      $result = db_query("SELECT lineage, entity_type, count FROM {index_layer} WHERE iid = %d", $this->iid);      $result = db_query("SELECT lineage, entity_type, count FROM {index_layer} WHERE iid = %d", $this->iid);
41      while ($layer = db_fetch_array($result)) {      while ($layer_data = db_fetch_object($result)) {
42        $layers[$layer['lineage']] = $layer;        $layers[$layer_data->lineage] = new indexLayer(array(
43            'lineage' => $layer_data->lineage,
44            'entity_type' => $layer_data->entity_type,
45            'count' => $layer_data->count,
46          ));
47      }      }
48      $this->setLayers($layers);      $this->setLayers($layers);
49    }    }
# Line 54  class index { Line 57  class index {
57     *   'count' item.     *   'count' item.
58     */     */
59    function setLayers(array $layers) {    function setLayers(array $layers) {
60      foreach ($layers as $lineage => &$layer) {      foreach ($layers as $lineage => $layer) {
61        $layer['children'] = &$this->childLayers($layers, $lineage);        $layer->children = &$this->childLayers($layers, $lineage);
62        ksort($layer['children']);        ksort($layer->children);
63      }      }
64      $this->layers = &$this->rootLayers($layers);      $this->layers = &$this->rootLayers($layers);
65    }    }
# Line 69  class index { Line 72  class index {
72     */     */
73    private function rootLayers(array $layers) {    private function rootLayers(array $layers) {
74      $root_layers = array();      $root_layers = array();
75      foreach ($layers as $lineage => &$layer) {      foreach ($layers as $lineage => $layer) {
76        if (strpos($lineage, '-') === FALSE) {        if (strpos($lineage, '-') === FALSE) {
77          $root_layers[$lineage] = &$layer;          $root_layers[$lineage] = $layer;
78        }        }
79      }      }
80    
# Line 106  class index { Line 109  class index {
109     */     */
110    function insert() {    function insert() {
111      $status = drupal_write_record('index_index', $this);      $status = drupal_write_record('index_index', $this);
112      $this->insertLayers($this->layers);      $this->insertLayers();
113    
114      return $status;      return $status;
115    }    }
# Line 116  class index { Line 119  class index {
119     */     */
120    function update() {    function update() {
121      $this->deleteLayers();      $this->deleteLayers();
122      $this->insertLayers($this->layers);      $this->insertLayers();
123    
124      return drupal_write_record('index_index', $this, 'iid');      return drupal_write_record('index_index', $this, 'iid');
125    }    }
# Line 131  class index { Line 134  class index {
134    /**    /**
135     * Insert this index' layers.     * Insert this index' layers.
136     */     */
137    private function insertLayers($layers) {    private function insertLayers($layers = NULL) {
138        $ayers = $layers ? $layers : $this->layers;
139      foreach ($layers as $layer) {      foreach ($layers as $layer) {
140        db_query("INSERT INTO {index_layer} (iid, lineage, entity_type, count) VALUES (%d, '%s', '%s', %d)", $this->iid, $layer['lineage'], $layer['entity_type'], $layer['count']);        db_query("INSERT INTO {index_layer} (iid, lineage, entity_type, count) VALUES (%d, '%s', '%s', %d)", $this->iid, $layer->lineage, $layer->entity_type, $layer->count);
141        $this->insertLayers($layer['children']);        $this->insertLayers($layer->children);
142      }      }
143    }    }
144    
# Line 149  class index { Line 153  class index {
153    /**    /**
154     * View the index.     * View the index.
155     *     *
156     * @param $type     * @param $type string
157     *   Either 'page' or 'block'.     *   Either 'page' or 'block' to respectively view an index page or a block.
158     *     *
159     * @return     * @return
160     *   The rendered index.     *   The rendered index.
161     */     */
162    function view($type) {    function view($type) {
163      $this->getData();      $this->getData($type);
164      index_load_include('view');      index_load_include('view');
165      $modes_info = index_modes_get();      $modes_info = index_modes_get();
166      $mode_key = $type . '_mode';      $mode_key = $type . '_mode';
167      $content = index_callback_execute($modes_info[$this->$mode_key]['#callback_info'], $this);  //    $content = index_callback_execute($mode_info[$this->$mode_key]['#callback_info'], $this);
168    
169      return theme('index', check_plain($this->description), $content);      return theme('index', check_plain($this->description), $content);
170    }    }
171    
172    /**    /**
173     * Render a preview of the index.     * Get the data for all layers of this index.
174       *
175       * @param $type string
176       *   Either 'page' or 'block' to respectively view an index page or a block.
177       * @param $layers array
178       *   The layers to get the data for. They should have the same parent.
179     */     */
180    function preview() {    function getData($type, array $layers = NULL) {
181  //    return theme('index_preview_title', check_plain($this->title)) . $this->view('block');      $modes_info = index_modes_get();
182      return time();      $mode_key = $type . '_mode';
183        $mode_info = $modes_info[$this->$mode_key];
184        $this->_getData($type, $this->layers, $mode_info['#depth_data'], $mode_info['#depth_count']);
185    }    }
186    
187    /**    /**
188     * Get the data for all layers of this index.     * Helper function for $this->getData().
189     */     *
190    function getData() {     * @param $type string
191      // TODO: Build in a depth check so we don't load more data than required by     *   Either 'page' or 'block' to respectively view an index page or a block.
192      // the display mode.     * @param $layers array
193      $entity_types_info = index_entity_types_get();     *   The layers to get the data for.
194      foreach ($this->layers as $depth => $layer) {     * @param $depth_data integer
195        if ($depth) {     *   The maximum depth of the layers for which to get data.
196          $key = $entity_types_info[$layer['type']]['#relations'][$this->layers[$depth - 1]['type']];     * @param $depth_count integer
197          $values = array();     *   The maximum depth of the layers for which to get the entity count only.
198          foreach ($this->data[$depth - 1] as $entity) {     * @param $depth_current integer
199            $values[] = $entity->$key;     *   The current layer depth.
200       * @param $parent_layer indexLayer
201       *   The optional parent layer of $layers.
202       */
203      private function _getData($type, array $layers, $depth_data, $depth_count, $depth_current = 1, indexLayer $parent_layer = NULL) {
204        // Only proceed if we can at least get the entity count.
205        if ($depth_count == 0 || $depth_current <= $depth_count) {
206          $entity_types_info = index_entity_types_get();
207          foreach ($layers as $layer) {
208            // If there is data for a parent layer, compute the conditions for
209            // which to get this layer's data.
210            if ($parent_layer && $parent_layer->data_count[$type]) {
211              $key = $entity_types_info[$layer->entity_type]['#relations'][$parent_layer->entity_type];
212              $values = array();
213              foreach ($parent_layer->data[$type] as $entity) {
214                if ($entity->$key) {
215                  $values[] = $entity->$key;
216                }
217              }
218          }          }
219            // There is no parent data, so leave the conditions blank.
220            else {
221              $key = NULL;
222              $values = array();
223            }
224    
225            // We need to get data.
226            if ($depth_data == 0 || $depth_data <= $depth_current) {
227              $layer->data[$type] = index_callback_execute($entity_types_info[$layer->entity_type]['#data_callback_info'], $key, $values);
228              $layer->data_count[$type] = count($layer->data);
229            }
230            // We need to get the entity count only.
231            else {
232              $layer->data_count = index_callback_execute($entity_types_info[$layer->entity_type]['#count_callback_info'], $key, $values);
233            }
234            // Get data for this layer's children.
235            $this->_getData($type, $layer->children, $depth_data, $depth_count, $depth_current + 1, $layer);
236        }        }
237        else {      }
238          $key = NULL;    }
239          $values = array();  }
240        }  
241        $this->data[$depth] = index_callback_execute($entity_types_info[$layer['type']]['#data_callback_info'], $key, $values);  class indexLayer {
242      public $lineage = NULL;
243      public $entity_type = NULL;
244      public $count = 0;
245      public $children = array();
246      public $data = array(
247        'page' => array(),
248        'block' => array(),
249      );
250      public $data_count = array(
251        'page' => array(),
252        'block' => array(),
253      );
254    
255      /**
256       * Fill all properties.
257       *
258       * @param $data
259       *   An array with properties and their values.
260       */
261      function __construct($data) {
262        // Put all loaded or passed on properties in $this.
263        foreach ($data as $property => $value) {
264          $this->$property = $value;
265      }      }
266    }    }
267  }  }
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