scrape the ape three : sidebar zoo
juust | 19/07/2008“Scrape the Ape” plugin.
i ripped the widget code framework from Marcel Proulx http://www.district30.net and changed it a bit so it runs my Ape-Scrape. I’ll break my brains on the specifics of widget-codes later.
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/*
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Plugin Name: Scrape the Ape
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Plugin URI: http://juust.org/
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Description: How to scrape a zoo from Flickr onto the sidebar.
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Version: 0.1
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Author: Lord of Apes
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Author URI: http://juust.org/
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*/
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function disp_apes( $args, $widget_args = 1 ) {
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extract( $args, EXTR_SKIP );
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if ( is_numeric($widget_args) )
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$widget_args = array( 'number' => $widget_args );
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$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
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extract( $widget_args, EXTR_SKIP );
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// Data should be stored as array: array( number => data for that instance of the widget, … )
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$options = get_option('widget_apes');
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if ( !isset($options[$number]) )
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return;
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extract($options[$number], EXTR_SKIP);
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//this is the scraper bit :
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$flikker = join("",file("http://api.flickr.com/services/feeds/photos_public.gne?tags=".$apes_tags."&format=rss"));
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$flikkerhits = preg_split('/img src="\;/', $flikker, -1, PREG_SPLIT_OFFSET_CAPTURE);
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foreach($flikkerhits as $flikkerhit){
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$i++;
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if($i>1) $apes[]=substr($flikkerhit[0], 0, strpos($flikkerhit[0], 'width')-7);
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}
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$strgrid = "";
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$currentcol=1;
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$currentrow=1;
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$columns=$apes_cols;
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$rows=$apes_rows;
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$strgrid .= "
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<div class="\"ApesZoo\"">
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<table border="0">
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<tbody>
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<tr>";
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for($a=0;$a";
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$strgrid .= "<img src="\" alt="" width="45" height="45" />";
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$strgrid .= "";
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$currentcol++;
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if($currentcol>$columns) {
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$currentcol=1;
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$strgrid .= "</tr>
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";
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$currentrow++;
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if($currentrow>$rows) {
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break;
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} else {
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$strgrid .= "
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<tr>";
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}
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}
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}
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$strgrid .= "</tr>
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</tbody></table>
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</div>
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";
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echo $strgrid;
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}
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function apes_control($widget_args) {
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global $wp_registered_widgets;
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static $updated = false; // have we already updated the data after a POST submit
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if ( is_numeric($widget_args) )
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$widget_args = array( 'number' => $widget_args );
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$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
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extract( $widget_args, EXTR_SKIP );
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// Data should be stored as array: array( number => data for that instance of the widget, … )
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$options = get_option('widget_apes');
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if ( !is_array($options) )
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$options = array();
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// We need to update the data
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if ( !$updated && !empty($_POST['sidebar']) ) {
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// Tells us what sidebar to put the data in
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$sidebar = (string) $_POST['sidebar'];
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$sidebars_widgets = wp_get_sidebars_widgets();
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if ( isset($sidebars_widgets[$sidebar]) )
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$this_sidebar =& $sidebars_widgets[$sidebar];
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else
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$this_sidebar = array();
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foreach ( $this_sidebar as $_widget_id ) {
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// Remove all widgets of this type from the sidebar. We'll add the new data in a second. This makes sure we don't get any duplicate data
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// since widget ids aren't necessarily persistent across multiple updates
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if ( 'disp_apes' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {
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$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];
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if ( !in_array( "apes-$widget_number", $_POST['widget-id'] ) ) // the widget has been removed. "many-$widget_number" is "{id_base}-{widget_number}
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unset($options[$widget_number]);
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}
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}
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foreach ( (array) $_POST['apes'] as $widget_number => $widget_apes_instance ) {
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// compile data from $widget_random_image_instance
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$apes_tags=strip_tags(stripslashes( $widget_apes_instance['apes_tags']));
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$apes_rows=strip_tags(stripslashes( $widget_apes_instance['apes_rows']));
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$apes_cols=strip_tags(stripslashes( $widget_apes_instance['apes_cols']));
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$options[$widget_number] = compact('apes_tags', 'apes_cols', 'apes_rows');
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}
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update_option('widget_apes', $options);
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$updated = true; // So that we don't go through this more than once
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}
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// Here we echo out the form
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if ( -1 == $number ) { // We echo out a template for a form which can be converted to a specific form later via JS
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$apes_tags = 'apes';
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$apes_cols = 3;
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$apes_rows = 2;
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$number = '%i%';
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}
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else {
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$apes_tags = attribute_escape($options[$number]['apes_tags']);
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$apes_cols=$options[$number]['apes_cols'];
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$apes_rows=attribute_escape($options[$number]['apes_rows']);
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}
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// The form has inputs with names like widget-many[$number][something] so that all data for that instance of
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// the widget are stored in one $_POST variable: $_POST['widget-many'][$number]
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?>
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<label for="apes-apes_tags-<?php echo $number; ?>">Tags:
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<input id="apes-apes_tags-<?php echo $number; ?/>" style="width: 200px;" name="apes[< ?php echo $number; ?>][apes_tags]" type="text" value="< ?php echo $apes_tags; ?>" /></label>
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<label for="apes-apes_cols-<?php echo $number; ?>">Colums:
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<input id="apes-apes_cols-<?php echo $number; ?/>" style="width: 200px;" name="apes[< ?php echo $number; ?>][apes_cols]" type="text" value="< ?php echo $apes_cols; ?>" /></label>
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<label for="apes-apes_rows-<?php echo $number; ?>">rows:
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<input id="apes-apes_rows-<?php echo $number; ?/>" style="width: 200px;" name="apes[< ?php echo $number; ?>][apes_rows]" type="text" value="< ?php echo $apes_rows; ?>" /></label>
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< ?php
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}
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/* Function: apes_register
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**
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** Registers the apes widgets with the widget page
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**
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** args: none
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** returns: nothing
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*/
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function apes_register() {
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if ( !$options = get_option('widget_apes') )
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$options = array();
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$widget_ops = array('classname' => 'widget_apes', 'description' => __('Displays Flickr Apes'));
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$control_ops = array('apes_cols' => 3, 'apes_rows' => 2, 'apes_tags' => 'apes', 'id_base' => 'apes');
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$name = __('Scrape the Apes');
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$registered = false;
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foreach ( array_keys($options) as $o ) {
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// Old widgets can have null values for some reason
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if ( !isset($options[$o]['apes_tags']) )
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continue;
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// $id should look like {$id_base}-{$o}
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$id = "apes-$o"; // Never never never translate an id
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$registered = true;
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wp_register_sidebar_widget( $id, $name, 'disp_apes', $widget_ops, array( 'number' => $o ) );
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wp_register_widget_control( $id, $name, 'apes_control', $control_ops, array( 'number' => $o ) );
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}
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// If there are none, we register the widget's existance with a generic template
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if ( !$registered ) {
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wp_register_sidebar_widget( 'apes-1', $name, 'disp_apes', $widget_ops, array( 'number' => -1 ) );
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wp_register_widget_control( 'apes-1', $name, 'apes_control', $control_ops, array( 'number' => -1 ) );
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}
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}
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// This is important
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add_action( 'widgets_init', 'apes_register' )
do not expect to see this on wordpress.org ;) when i figure out how the widget code works i’ll make something proper.
[...] … Marcel Proulx (L) Hull-Aylmer. U of Quebec – Outaouais. 3.3 percent. Bloc. There are several …juust ~ php oddities scrape the ape three : sidebar zooi ripped the widget code framework from Marcel Proulx http://www.district30.net and changed it a bit [...]