web/Zend/Pdf/Outline.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Pdf/Outline.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,373 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Pdf
+ * @subpackage Actions
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Outline.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * Abstract PDF outline representation class
+ *
+ * @todo Implement an ability to associate an outline item with a structure element (PDF 1.3 feature)
+ *
+ * @package    Zend_Pdf
+ * @subpackage Outlines
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Pdf_Outline implements RecursiveIterator, Countable
+{
+    /**
+     * True if outline is open.
+     *
+     * @var boolean
+     */
+    protected $_open = false;
+
+    /**
+     * Array of child outlines (array of Zend_Pdf_Outline objects)
+     *
+     * @var array
+     */
+    public $childOutlines = array();
+
+
+    /**
+     * Get outline title.
+     *
+     * @return string
+     */
+    abstract public function getTitle();
+
+    /**
+     * Set outline title
+     *
+     * @param string $title
+     * @return Zend_Pdf_Outline
+     */
+    abstract public function setTitle($title);
+
+    /**
+     * Returns true if outline item is open by default
+     *
+     * @return boolean
+     */
+    public function isOpen()
+    {
+        return $this->_open;
+    }
+
+    /**
+     * Sets 'isOpen' outline flag
+     *
+     * @param boolean $isOpen
+     * @return Zend_Pdf_Outline
+     */
+    public function setIsOpen($isOpen)
+    {
+        $this->_open = $isOpen;
+        return $this;
+    }
+
+    /**
+     * Returns true if outline item is displayed in italic
+     *
+     * @return boolean
+     */
+    abstract public function isItalic();
+
+    /**
+     * Sets 'isItalic' outline flag
+     *
+     * @param boolean $isItalic
+     * @return Zend_Pdf_Outline
+     */
+    abstract public function setIsItalic($isItalic);
+
+    /**
+     * Returns true if outline item is displayed in bold
+     *
+     * @return boolean
+     */
+    abstract public function isBold();
+
+    /**
+     * Sets 'isBold' outline flag
+     *
+     * @param boolean $isBold
+     * @return Zend_Pdf_Outline
+     */
+    abstract public function setIsBold($isBold);
+
+
+    /**
+     * Get outline text color.
+     *
+     * @return Zend_Pdf_Color_Rgb
+     */
+    abstract public function getColor();
+
+    /**
+     * Set outline text color.
+     * (null means default color which is black)
+     *
+     * @param Zend_Pdf_Color_Rgb $color
+     * @return Zend_Pdf_Outline
+     */
+    abstract public function setColor(Zend_Pdf_Color_Rgb $color);
+
+    /**
+     * Get outline target.
+     *
+     * @return Zend_Pdf_Target
+     */
+    abstract public function getTarget();
+
+    /**
+     * Set outline target.
+     * Null means no target
+     *
+     * @param Zend_Pdf_Target|string $target
+     * @return Zend_Pdf_Outline
+     */
+    abstract public function setTarget($target = null);
+
+    /**
+     * Get outline options
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return array('title'  => $this->_title,
+                     'open'   => $this->_open,
+                     'color'  => $this->_color,
+                     'italic' => $this->_italic,
+                     'bold'   => $this->_bold,
+                     'target' => $this->_target);
+    }
+
+    /**
+     * Set outline options
+     *
+     * @param array $options
+     * @return Zend_Pdf_Action
+     * @throws Zend_Pdf_Exception
+     */
+    public function setOptions(array $options)
+    {
+        foreach ($options as $key => $value) {
+            switch ($key) {
+                case 'title':
+                    $this->setTitle($value);
+                    break;
+
+                case 'open':
+                    $this->setIsOpen($value);
+                    break;
+
+                case 'color':
+                    $this->setColor($value);
+                    break;
+                case 'italic':
+                    $this->setIsItalic($value);
+                    break;
+
+                case 'bold':
+                    $this->setIsBold($value);
+                    break;
+
+                case 'target':
+                    $this->setTarget($value);
+                    break;
+
+                default:
+                    require_once 'Zend/Pdf/Exception.php';
+                    throw new Zend_Pdf_Exception("Unknown option name - '$key'.");
+                    break;
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Create new Outline object
+     *
+     * It provides two forms of input parameters:
+     *
+     * 1. Zend_Pdf_Outline::create(string $title[, Zend_Pdf_Target $target])
+     * 2. Zend_Pdf_Outline::create(array $options)
+     *
+     * Second form allows to provide outline options as an array.
+     * The followed options are supported:
+     *   'title'  - string, outline title, required
+     *   'open'   - boolean, true if outline entry is open (default value is false)
+     *   'color'  - Zend_Pdf_Color_Rgb object, true if outline entry is open (default value is null - black)
+     *   'italic' - boolean, true if outline entry is displayed in italic (default value is false)
+     *   'bold'   - boolean, true if outline entry is displayed in bold (default value is false)
+     *   'target' - Zend_Pdf_Target object or string, outline item destination
+     *
+     * @return Zend_Pdf_Outline
+     * @throws Zend_Pdf_Exception
+     */
+    public static function create($param1, $param2 = null)
+    {
+        require_once 'Zend/Pdf/Outline/Created.php';
+        if (is_string($param1)) {
+            if ($param2 !== null  &&  !($param2 instanceof Zend_Pdf_Target  ||  is_string($param2))) {
+                require_once 'Zend/Pdf/Exception.php';
+                throw new Zend_Pdf_Exception('Outline create method takes $title (string) and $target (Zend_Pdf_Target or string) or an array as an input');
+            }
+
+            return new Zend_Pdf_Outline_Created(array('title'  => $param1,
+                                                      'target' => $param2));
+        } else {
+            if (!is_array($param1)  ||  $param2 !== null) {
+                require_once 'Zend/Pdf/Exception.php';
+                throw new Zend_Pdf_Exception('Outline create method takes $title (string) and $destination (Zend_Pdf_Destination) or an array as an input');
+            }
+
+            return new Zend_Pdf_Outline_Created($param1);
+        }
+    }
+
+    /**
+     * Returns number of the total number of open items at all levels of the outline.
+     *
+     * @internal
+     * @return integer
+     */
+    public function openOutlinesCount()
+    {
+        $count = 1; // Include this outline
+
+        if ($this->isOpen()) {
+            foreach ($this->childOutlines as $child) {
+                $count += $child->openOutlinesCount();
+            }
+        }
+
+        return $count;
+    }
+
+    /**
+     * Dump Outline and its child outlines into PDF structures
+     *
+     * Returns dictionary indirect object or reference
+     *
+     * @param Zend_Pdf_ElementFactory    $factory object factory for newly created indirect objects
+     * @param boolean $updateNavigation  Update navigation flag
+     * @param Zend_Pdf_Element $parent   Parent outline dictionary reference
+     * @param Zend_Pdf_Element $prev     Previous outline dictionary reference
+     * @param SplObjectStorage $processedOutlines  List of already processed outlines
+     * @return Zend_Pdf_Element
+     */
+    abstract public function dumpOutline(Zend_Pdf_ElementFactory_Interface $factory,
+                                                                           $updateNavigation,
+                                                          Zend_Pdf_Element $parent,
+                                                          Zend_Pdf_Element $prev = null,
+                                                          SplObjectStorage $processedOutlines = null);
+
+
+    ////////////////////////////////////////////////////////////////////////
+    //  RecursiveIterator interface methods
+    //////////////
+
+    /**
+     * Returns the child outline.
+     *
+     * @return Zend_Pdf_Outline
+     */
+    public function current()
+    {
+        return current($this->childOutlines);
+    }
+
+    /**
+     * Returns current iterator key
+     *
+     * @return integer
+     */
+    public function key()
+    {
+        return key($this->childOutlines);
+    }
+
+    /**
+     * Go to next child
+     */
+    public function next()
+    {
+        return next($this->childOutlines);
+    }
+
+    /**
+     * Rewind children
+     */
+    public function rewind()
+    {
+        return reset($this->childOutlines);
+    }
+
+    /**
+     * Check if current position is valid
+     *
+     * @return boolean
+     */
+    public function valid()
+    {
+        return current($this->childOutlines) !== false;
+    }
+
+    /**
+     * Returns the child outline.
+     *
+     * @return Zend_Pdf_Outline|null
+     */
+    public function getChildren()
+    {
+        return current($this->childOutlines);
+    }
+
+    /**
+     * Implements RecursiveIterator interface.
+     *
+     * @return bool  whether container has any pages
+     */
+    public function hasChildren()
+    {
+        return count($this->childOutlines) > 0;
+    }
+
+
+    ////////////////////////////////////////////////////////////////////////
+    //  Countable interface methods
+    //////////////
+
+    /**
+     * count()
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->childOutlines);
+    }
+}