phphtmllib/widgets/DataItem.php

<?
/*
##    -----------------------------------------------------------------------------
##    $Id: DataItem.php,v 1.6 2003/05/13 16:24:30 joko Exp $
##    -----------------------------------------------------------------------------
##    $Log: DataItem.php,v $
##    Revision 1.6  2003/05/13 16:24:30  joko
##    title addendum
##    MetaBox - header style
##
##    Revision 1.5  2003/05/10 18:07:31  jonen
##    + added values needed for 'create/add new' links
##    - purged depreciated code
##
##    Revision 1.4  2003/04/09 09:53:13  joko
##    fixes regarding modification of decode-function-behavior
##
##    Revision 1.3  2003/04/06 01:40:35  jonen
##    + removed duplicated decode functions
##
##    Revision 1.2  2003/04/04 23:58:33  jonen
##    + minor changes
##
##    Revision 1.1  2003/04/04 00:32:57  jonen
##    + initial commit
##
##
##
##    -----------------------------------------------------------------------------
*/

class DataItem extends InfoTable {

 /**
  * holds reference to source object.
  */
 var $_datasource = NULL;

 /**
  * container for arguments needed for e.g. setting the source object.
  */
 var $_options = array();

 /**
  * container for hidden elements.
  */
 var $_hidden_elements = array();
 
  function DataItem($title, $options = array()) {
    $this->_options = $options;

    //print "title: $title<br/>";
    //print "options:" . Dumper($options) . "<br>";

    $title .= $this->get_title_addendum();

    $parent =  get_parent_class($this);    
    // debug (WARNNING!!! Sometime an recursive loop happens here
    //        if class $parent is eq current class!!)
    //print "parent: " . Dumper($parent) . "<br>";
    
    $this->$parent($title, $width="100%", "center");

    // fetch data
    $this->data_prefetch();
  }

        function render($indent_level=1, $output_debug=0) {
    // init data record entries
    $this->init_elements();
    // add form container
    $this->get_form_container();

                $table = html_table( $this->get_width(), 0,
                                                         $this->get_cellspacing(),
                                                         $this->get_cellpadding(),
                                                         $this->get_align());
                $table->set_class( "infotable" );
                $table->add( $this->_build_title() );

                $row = $this->_build_header();
                if ($row != NULL) {
                    $table->add_row( $row );
                }

                //now go thru the rows of data
                //and add them
                foreach( $this->data as $row ) {
            if ((count($row) == 1) && is_object($row[0]) && (is_a($row[0], "TRtag") ||
                                                             is_a($row[0], "TDtag"))) {
                $table->add_row( $row[0] );
            } else {
                $tr = new TRtag;
                $cnt = count( $row );
                foreach( $row as $index => $data ) {                
                    $td = $this->_build_td("", "", $index+1, $cnt );
                    $td->add( $data );
                    $tr->add( $td );
                }
                $table->add_row( $tr );
            }
                }
                return $table->render($indent_level, $output_debug);
        }

  function set_data_source(&$source) {
    $this->_datasource = &$source;
  }

  function get_data_source() {
    
      $initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) );
      $proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']);
      $source = $proxy->get_adapter();
      $this->set_data_source( &$source );    
  }

  function _check_datasource($function_name) {
      if ( !is_object($this->_datasource) ) {
            user_error("DataList::".$function_name."() - DataListSource object is not set");
            exit;
      }
  }

  function data_prefetch() {
    $this->get_data_source();
    $this->_check_datasource("data_prefetch");

    $this->_datasource->do_query();
  }
  
  function init_elements() {
   $result = $this->_datasource->_result;
    if (is_array($result)) {
      foreach($result as $key => $value) {
        // set empty values to 'html spacer' for render
        // TODO: integer value '0' is interpretted as non-existing value! Hack this!!
        if(!$value && !is_array($value)) { $value = _HTML_SPACE; }
        // if decode options are true, trie to decode values(e.g. for inhiterance)
        if($this->_options['decode']) {
          $utils = php::mkComponent('WebExplorer::utils');
          $hidden = $this->_hidden_elements;
          $options = $this->_options['decode_args'];          
          $options[label] = $key;
          $options[parent_guid] = $this->_options['parent']['guid'];
          $options[parent_class] = $this->_options['parent']['class'];
          // if item is matched by a special expression we will replace it with an html-link object  
          $utils->decode_item_expr($value, $hidden, $options);
          // if item is an Array we will replace it with an html-link object  
          $utils->decode_item_array($value, $hidden, $options);
          
          $this->add_element($key, $value);
        } else {
          $this->add_element($key, $value);
        }
      }
    }
  }

  function add_element($label, $value) {
    $this->add_row(span_font10bold($label), $value);
  }

  function add_hidden_element($label, $value) {
    $this->_hidden_elements[$label] = $value;
  }
  
  function get_form_container() {
    $container = container();
    // form open
    $container->add(form_open("item_fv", $_SERVER['PHP_SELF'], 'POST'));    
    //hidden items
    if(is_array($this->_hidden_elements)) {
      foreach($this->_hidden_elements as $label => $value) {
        $container->add(form_hidden($label, $value));
      }
    }
    // submit button
    $container->add(form_submit('ecdfe', "edit"));
    // close form
    $container->add(form_close());

    // add container to InfoTable
    $this->add_row(_HTML_SPACE, $container);
  }


  // Please visit WebExplorer::Module::DataItem - there is a similar chooser at the top!!!
  // TODO: abstract this out into some reusable, generic component sometimes (SimpleChooser?)
  // (also take a look at WebExplorer::Module::DataTree)
  function get_title_addendum() {
    
    // MetaBox / Chooser - resolve / display some links which probably have been declared in some other layer
    //$this->header = html_span();

    // Build a header-style MetaBox.
    // This will get injected into the header of the DataItem.
    $this->header_box = php::mkComponent('MetaBox', array( 
      box_mode => 'header',
      caption => $this->_options['caption'],
      payload => $this->_options['links'],
    ) );

    return $this->header_box->render();
    
  }

}


?>
1	jonen	1.1	<?
2			/*
3			## -----------------------------------------------------------------------------
4	udo	1.7	## $Id: DataItem.php,v 1.6 2003/05/13 16:24:30 joko Exp $
5	jonen	1.1	## -----------------------------------------------------------------------------
6	jonen	1.2	## $Log: DataItem.php,v $
7	udo	1.7	## Revision 1.6 2003/05/13 16:24:30 joko
8			## title addendum
9			## MetaBox - header style
10			##
11	joko	1.6	## Revision 1.5 2003/05/10 18:07:31 jonen
12			## + added values needed for 'create/add new' links
13			## - purged depreciated code
14			##
15	jonen	1.5	## Revision 1.4 2003/04/09 09:53:13 joko
16			## fixes regarding modification of decode-function-behavior
17			##
18	joko	1.4	## Revision 1.3 2003/04/06 01:40:35 jonen
19			## + removed duplicated decode functions
20			##
21	jonen	1.3	## Revision 1.2 2003/04/04 23:58:33 jonen
22			## + minor changes
23			##
24	jonen	1.2	## Revision 1.1 2003/04/04 00:32:57 jonen
25			## + initial commit
26			##
27	jonen	1.1	##
28			##
29			## -----------------------------------------------------------------------------
30			*/
31
32			class DataItem extends InfoTable {
33
34			/**
35			* holds reference to source object.
36			*/
37			var $_datasource = NULL;
38
39			/**
40			* container for arguments needed for e.g. setting the source object.
41			*/
42			var $_options = array();
43
44			/**
45			* container for hidden elements.
46			*/
47			var $_hidden_elements = array();
48
49			function DataItem($title, $options = array()) {
50			$this->_options = $options;
51
52	joko	1.6	//print "title: $title<br/>";
53	udo	1.7	//print "options:" . Dumper($options) . "<br>";
54	joko	1.6
55			$title .= $this->get_title_addendum();
56
57	udo	1.7	$parent = get_parent_class($this);
58			// debug (WARNNING!!! Sometime an recursive loop happens here
59			// if class $parent is eq current class!!)
60			//print "parent: " . Dumper($parent) . "<br>";
61
62	jonen	1.1	$this->$parent($title, $width="100%", "center");
63
64			// fetch data
65			$this->data_prefetch();
66			}
67
68			function render($indent_level=1, $output_debug=0) {
69			// init data record entries
70			$this->init_elements();
71			// add form container
72			$this->get_form_container();
73
74			$table = html_table( $this->get_width(), 0,
75			$this->get_cellspacing(),
76			$this->get_cellpadding(),
77			$this->get_align());
78			$table->set_class( "infotable" );
79			$table->add( $this->_build_title() );
80
81			$row = $this->_build_header();
82			if ($row != NULL) {
83			$table->add_row( $row );
84			}
85
86			//now go thru the rows of data
87			//and add them
88			foreach( $this->data as $row ) {
89			if ((count($row) == 1) && is_object($row[0]) && (is_a($row[0], "TRtag") \|\|
90			is_a($row[0], "TDtag"))) {
91			$table->add_row( $row[0] );
92			} else {
93			$tr = new TRtag;
94			$cnt = count( $row );
95			foreach( $row as $index => $data ) {
96			$td = $this->_build_td("", "", $index+1, $cnt );
97			$td->add( $data );
98			$tr->add( $td );
99			}
100			$table->add_row( $tr );
101			}
102			}
103			return $table->render($indent_level, $output_debug);
104			}
105
106			function set_data_source(&$source) {
107			$this->_datasource = &$source;
108			}
109
110			function get_data_source() {
111	udo	1.7
112	jonen	1.1	$initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) );
113			$proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']);
114			$source = $proxy->get_adapter();
115			$this->set_data_source( &$source );
116			}
117
118			function _check_datasource($function_name) {
119			if ( !is_object($this->_datasource) ) {
120			user_error("DataList::".$function_name."() - DataListSource object is not set");
121			exit;
122			}
123			}
124
125			function data_prefetch() {
126			$this->get_data_source();
127			$this->_check_datasource("data_prefetch");
128
129			$this->_datasource->do_query();
130			}
131
132			function init_elements() {
133			$result = $this->_datasource->_result;
134			if (is_array($result)) {
135			foreach($result as $key => $value) {
136	jonen	1.5	// set empty values to 'html spacer' for render
137			// TODO: integer value '0' is interpretted as non-existing value! Hack this!!
138			if(!$value && !is_array($value)) { $value = _HTML_SPACE; }
139			// if decode options are true, trie to decode values(e.g. for inhiterance)
140	jonen	1.1	if($this->_options['decode']) {
141	jonen	1.5	$utils = php::mkComponent('WebExplorer::utils');
142			$hidden = $this->_hidden_elements;
143	udo	1.7	$options = $this->_options['decode_args'];
144	jonen	1.5	$options[label] = $key;
145			$options[parent_guid] = $this->_options['parent']['guid'];
146			$options[parent_class] = $this->_options['parent']['class'];
147			// if item is matched by a special expression we will replace it with an html-link object
148	joko	1.4	$utils->decode_item_expr($value, $hidden, $options);
149	jonen	1.5	// if item is an Array we will replace it with an html-link object
150	joko	1.4	$utils->decode_item_array($value, $hidden, $options);
151	udo	1.7
152	joko	1.4	$this->add_element($key, $value);
153	jonen	1.1	} else {
154			$this->add_element($key, $value);
155			}
156			}
157			}
158			}
159
160			function add_element($label, $value) {
161			$this->add_row(span_font10bold($label), $value);
162			}
163
164			function add_hidden_element($label, $value) {
165			$this->_hidden_elements[$label] = $value;
166			}
167
168			function get_form_container() {
169			$container = container();
170			// form open
171			$container->add(form_open("item_fv", $_SERVER['PHP_SELF'], 'POST'));
172			//hidden items
173			if(is_array($this->_hidden_elements)) {
174			foreach($this->_hidden_elements as $label => $value) {
175			$container->add(form_hidden($label, $value));
176			}
177			}
178			// submit button
179	jonen	1.2	$container->add(form_submit('ecdfe', "edit"));
180	jonen	1.1	// close form
181			$container->add(form_close());
182
183			// add container to InfoTable
184	jonen	1.2	$this->add_row(_HTML_SPACE, $container);
185	jonen	1.1	}
186
187	joko	1.6
188			// Please visit WebExplorer::Module::DataItem - there is a similar chooser at the top!!!
189			// TODO: abstract this out into some reusable, generic component sometimes (SimpleChooser?)
190			// (also take a look at WebExplorer::Module::DataTree)
191			function get_title_addendum() {
192
193			// MetaBox / Chooser - resolve / display some links which probably have been declared in some other layer
194			//$this->header = html_span();
195
196			// Build a header-style MetaBox.
197			// This will get injected into the header of the DataItem.
198			$this->header_box = php::mkComponent('MetaBox', array(
199			box_mode => 'header',
200			caption => $this->_options['caption'],
201			payload => $this->_options['links'],
202			) );
203
204			return $this->header_box->render();
205
206			}
207	jonen	1.1
208			}
209
210
211			?>
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