initial import

haraldmartin · May 25, 2011 · 970d621 · 970d621
1 parent 52866f9
commit 970d621
Showing 1 changed file with 301 additions and 0 deletions.
diff --git a/colhour.php b/colhour.php
@@ -0,0 +1,301 @@
+<?php
+
+/*
+Plugin Name: Colhour
+Plugin URI: http://burnfield.com/martin
+Version: 0.3.1.1
+Author: Martin Str&ouml;m
+Author URI: http://burnfield.com/martin
+Description: Enables the page to have colors generated by the <a href="http://harald.net/colhour">Colhour</a> system.
+*/
+
+/* --------------------------------------------------------------------------------
+ * Colhour class
+ * -------------------------------------------------------------------------------- */
+
+class Colhour {
+
+	// Color table
+	var $_colors = array (
+
+		'year' => array(
+			"8300FF", "3F00FF", "3F00FF", "0081FF", "00FFFB", "00FF81", 
+			"00FF02", "7DFF00", "FCFF00", "FF8A00", "FF1300", "E80030", 
+		),
+
+		'month' => array(
+			"8200FF", "6600FF", "4A00FF", 
+			"3000FF", "1700FF", "000AFF", 
+			"003EFF", "008AFF", "00A6FF", 
+			"00F0FF", "00FFF3", "00FFC1", 
+			"00FF8D", "00FF5A", "00FF2C", 
+			"0BFF00", "3EFF00", "71FF00",   
+			"89FF00", "D9FF00", "FFF400",
+			"FFC400", "FF9300", "FF6300",
+			"FF3000", "FF0000", "E40037",
+			"CA006D", "B000A2", "9C00CC", 
+			"8F00E7",
+		),
+
+		'day' => array(
+			"8300FF", "6200FF", "3F00FF", "1F00FF", "3F00FF", "0043FF", 
+			"0081FF", "00C3FF", "00FFFB", "00FFBF", "00FF81", "00FF3F", 
+			"00FF02", "3DFF00", "7DFF00", "BCFF00", "FCFF00", "FFC400", 
+			"FF8A00", "FF4C00", "FF1300", "E80030", "E80030", "C70074", 
+		),
+
+		'hour' => array(
+			"8200FF", "7400FF", "6600FF", "5900FF", "4A00FF", "3D00FF", 
+			"3000FF", "2300FF", "1700FF", "0700FF", "000AFF", "0026FF", 
+			"003EFF", "0058FF", "008AFF", "008AFF", "00A6FF", "00BEFF", 
+			"00F0FF", "00FFF3", "00FFF3", "00FFDE", "00FFC1", "00FFA7", 
+			"00FF8D", "00FF75", "00FF5A", "00FF42", "00FF2C", "00FF0F", 
+			"0BFF00", "25FF00", "3EFF00", "56FF00", "71FF00", "89FF00", 
+			"89FF00", "BFFF00", "D9FF00", "F3FF00", "FFF400", "FFDB00", 
+			"FFC400", "FFA800", "FF9300", "FF7800", "FF6300", "FF4900", 
+			"FF3000", "FF1900", "FF0000", "F30018", "E40037", "D8004F", 
+			"CA006D", "BD0087", "B000A2", "A200C0", "9C00CC", "8F00E7",
+		),
+
+		'minute' => array(
+			"8200FF", "7400FF", "6600FF", "5900FF", "4A00FF", "3D00FF", 
+			"3000FF", "2300FF", "1700FF", "0700FF", "000AFF", "0026FF", 
+			"003EFF", "0058FF", "008AFF", "008AFF", "00A6FF", "00BEFF", 
+			"00F0FF", "00FFF3", "00FFF3", "00FFDE", "00FFC1", "00FFA7", 
+			"00FF8D", "00FF75", "00FF5A", "00FF42", "00FF2C", "00FF0F", 
+			"0BFF00", "25FF00", "3EFF00", "56FF00", "71FF00", "89FF00", 
+			"89FF00", "BFFF00", "D9FF00", "F3FF00", "FFF400", "FFDB00", 
+			"FFC400", "FFA800", "FF9300", "FF7800", "FF6300", "FF4900", 
+			"FF3000", "FF1900", "FF0000", "F30018", "E40037", "D8004F", 
+			"CA006D", "BD0087", "B000A2", "A200C0", "9C00CC", "8F00E7",
+		),
+	);
+
+	// Hard coded UNIX timestamps
+	var $_timestamps = array(
+		'second' => 1,
+		'minute' => 60,
+		'hour'   => 3600,
+		'day'    => 86400,
+		'month'  => 2635200, // 30.5 days
+		'year'   => 31536000,
+	);
+
+	// Part specific data
+	var $_info = array(	
+		'year'   => array("Y-1-1", "month", "m"),
+		'month'  => array("Y-m-1 0:0:0", "day", "j"),
+		'day'    => array("Y-m-d H", "hour", "H"),
+		'hour' 	 => array("Y-m-d H:i", "minute", "i"),
+		'minute' => array("Y-m-d H:i:s", "second", "s") // the blending won't work for minutes
+	);
+
+	// Converts a hex number to RGB 
+	function _hex2RGB($hexstr) {
+		$int = hexdec($hexstr);
+		return array(
+			'r' => 0xFF & ($int >> 0x10),
+			'g' => 0xFF & ($int >> 0x8),
+			'b' => 0xFF & ($int)
+		);
+	}
+
+	// Blends (fades) between two colors
+	function _blendRGB($c1, $c2, $t) {
+		// $t must be in range 0...1
+		if ($t < -1) $t = -1;
+		else if ($t > 1) $t = 1;
+		if ($t < 0) $t = 1 + $t;
+
+		// convert colors from hex to rgb values
+		$c1 = $this->_hex2RGB($c1);
+		$c2 = $this->_hex2RGB($c2);
+
+		// transform
+		$ct = ($c1['r'] + ($c2['r'] - $c1['r']) * $t) << 16 | 
+					($c1['g'] + ($c2['g'] - $c1['g']) * $t) << 8 | 
+					($c1['b'] + ($c2['b'] - $c1['b']) * $t); 
+
+		return "#".str_pad(dechex($ct), 6, "0", STR_PAD_LEFT);
+	}
+
+	// Returns the current color for given type. If no timestamp is given it'll use the current
+	function getColor($type="minute", $timestamp=NULL) {
+		$info = $this->_info[$type];
+
+		// Fix timestamp arg
+		if (!$timestamp) {
+			$timestamp = time();
+		}
+
+		// Calculate ratio
+		$ms_this = strtotime(date($info[0], $timestamp)); 
+		$ms_next = $ms_this + $this->_timestamps[$info[1]];
+		$ratio = (($ms_next - $ms_this) == 0)? 0 : ($timestamp - $ms_this) / ($ms_next - $ms_this);
+
+		// Get colors to blend between
+		$index = (int) date($info[2], $timestamp);
+		$c1 = $this->_colors[$type][$index];
+	 	$c2 = $this->_colors[$type][$index + 1];
+
+		// Debugging
+		/*print "<pre> :::: ".strtoupper($type)." :::: \n\n"; 
+ 		print_r(array(
+ 				"ms_this  " => $ms_this." (".date("Y-m-d H:i:s", $ms_this).")", 
+ 				"ms_next  " => $ms_next." (".date("Y-m-d H:i:s", $ms_next).")", 
+ 				"timestamp" => $timestamp." (".date("Y-m-d H:i:s", $timestamp).")", 
+ 				"index" => $index, 
+ 				"ratio" => $ratio
+ 		)); 
+		print "</pre>";*/
+
+		return $this->_blendRGB($c1, $c2, $ratio);
+	}
+
+	// Prints a html spectrum with all colors in given type
+	function printHTMLSpectrum($type="minute") {
+		$color = $this->_colors[$type];
+		$html = '<div id="_colhour_spectrum" style="-border: 1px solid #000;">';
+		foreach ($color as $c) {
+			$html .= '<div style="width: 25px; height: 25px; background: #'.$c.'; float: left;"></div>';
+		}
+		$html .= '<p style="clear: both; padding: 0; margin: 0; height: 0.1%;"></p></div>';
+		echo $html;
+	}
+
+	// Prints a html spectrum with all colors for every type
+	function printHTMLSpectra() {
+		foreach ($this->_colors as $name => $value) {
+			echo "$name";	
+			$this->printHTMLSpectrum($name);
+		}
+	}
+
+	// Returns an array containing the different types supported
+	function getTypes() {
+		return array_keys($this->_colors);
+	}
+}
+
+
+/* --------------------------------------------------------------------------------
+ * Plugin class
+ * -------------------------------------------------------------------------------- */
+
+class ColhourPlugin extends Colhour {
+
+	// Prints the CSS-rules with colhour replaces colors
+	function getCSS() {
+		?>
+	<style type="text/css" media="screen">
+	/* <![CDATA[ */
+
+	<?php
+	$css = "";
+	foreach ($this->getTypes() as $type) {
+		$rule = get_option("colhour_css_$type")."\n";
+		if (trim($rule) == "") continue;
+		$css .= str_replace("%colhour%", $this->getColor($type), $rule);
+
+	}
+	echo preg_replace("/\n\s*/", "\n\t", $css);
+	?>
+
+	/* ]]> */
+	</style>
+		<?php
+	}
+
+	// Set default options
+	function setDefaultOptions() {
+		foreach ($this->getTypes() as $type) {
+			add_option("colhour_css_$type", "");
+		}
+	}
+
+	// Adds the Colhour option page to WP's admin
+	function addOptionsPage() {
+		if (function_exists('add_options_page')) {
+			add_options_page("Colhour", "Colhour", 5, 'ColhourTab', array(&$this, 'optionsPage'));
+		}
+	}
+
+	// Generates the page for editing the options
+	function optionsPage() {
+		$this->setDefaultOptions();
+
+		if (isset($_POST['info_update'])) { 
+			?><div id="message" class="updated fade">
+				<p><strong><?php 
+					foreach ($this->getTypes() as $type) {
+						update_option("colhour_css_$type", $_POST["colhour_css_$type"]);
+					}
+					_e('Colhour options  saved.')
+	    		?></strong></p>
+			</div>
+		<?php } ?>
+
+		<div class="wrap">
+			<form method="post">
+				<h2>Colhour Options</h2>
+
+				<p>The CSS rules are divided into different types by how long time the spectrum needs to start over from the beginning each time.<br /><a href="http://harald.net/colhour">Read more</a> about Colhour.</p>
+				<p>Use <code>%colhour%</code> (without any "<code>#</code>") as a placeholder for the color generated by Colhour.</p>
+
+				<p>
+					<code>
+						/* Examples */<br />
+						body {background: %colhour%};<br />
+						#header {border-bottom: %colhour%;}<br />
+						p.colhour {color: %colhour%;}
+					</code>
+				</p>
+
+				<fieldset class="options">
+					<?php 
+					foreach (array_reverse($this->getTypes()) as $type): 
+						$value = get_option("colhour_css_$type");
+						$rows = (trim($value) == "")? 2 : 5;
+						?>
+						<p>
+							<label for="colhour_css">Resets after one <strong><?php echo ($type) ?></strong></label>
+							<textarea name="colhour_css_<?php echo $type ?>" 
+									id="colhour_css_<?php echo $type ?>" style="width: 98%;" rows="<?php echo $rows ?>" 
+									cols="50" onfocus="this.rows=5;" onblur="if (this.value == '') this.rows=2;"><?php echo $value ?></textarea>
+						</p>
+					<?php endforeach ?>		
+				</fieldset>			
+
+				<div class="submit">
+	  				<p><input type="submit" name="info_update" value="<?php _e('Update Colhour Options') ?> &raquo;" /></p>
+				</div>
+
+			</form>
+		</div>
+		<?php
+	}
+
+	// Hooks in the plugin to the site's head and admin menu
+	function addHooks() {
+		if (!strpos($_SERVER['PHP_SELF'], 'wp-admin') !== FALSE) {
+			add_action('wp_head', array(&$this, 'getCSS'));
+		} else {
+			add_action('admin_menu', array(&$this, 'addOptionsPage'));
+		}
+	}
+
+	// Constructor
+	function ColhourPlugin() {
+		$this->setDefaultOptions();
+		$this->addHooks();
+	}
+}
+
+
+/* --------------------------------------------------------------------------------
+ * Initialization
+ * -------------------------------------------------------------------------------- */
+
+$colhourPlugin = new ColhourPlugin();
+
+?>