library/Zend/Paginator/ScrollingStyle/All.php

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+<?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_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Paginator_ScrollingStyle_Interface
+ */
+require_once 'Zend/Paginator/ScrollingStyle/Interface.php';
+
+/**
+ * A scrolling style that returns every page in the collection.
+ * Useful when it is necessary to make every page available at
+ * once--for example, when using a dropdown menu pagination control.
+ *
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Paginator_ScrollingStyle_All implements Zend_Paginator_ScrollingStyle_Interface
+{
+    /**
+     * Returns an array of all pages given a page number and range.
+     *
+     * @param  Zend_Paginator $paginator
+     * @param  integer $pageRange Unused
+     * @return array
+     */
+    public function getPages(Zend_Paginator $paginator, $pageRange = null)
+    {
+        return $paginator->getPagesInRange(1, $paginator->count());
+    }
+}

library/Zend/Paginator/ScrollingStyle/Elastic.php

@@ -0,0 +1,63 @@
+<?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_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Paginator_ScrollingStyle_Sliding
+ */
+require_once 'Zend/Paginator/ScrollingStyle/Sliding.php';
+
+/**
+ * A Google-like scrolling style.  Incrementally expands the range to about
+ * twice the given page range, then behaves like a slider.  See the example
+ * link.
+ *
+ * @link       http://www.google.com/search?q=Zend+Framework
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Paginator_ScrollingStyle_Elastic extends Zend_Paginator_ScrollingStyle_Sliding
+{
+    /**
+     * Returns an array of "local" pages given a page number and range.
+     *
+     * @param  Zend_Paginator $paginator
+     * @param  integer $pageRange Unused
+     * @return array
+     */
+    public function getPages(Zend_Paginator $paginator, $pageRange = null)
+    {
+        $pageRange  = $paginator->getPageRange();
+        $pageNumber = $paginator->getCurrentPageNumber();
+
+        $originalPageRange = $pageRange;
+        $pageRange         = $pageRange * 2 - 1;
+
+        if ($originalPageRange + $pageNumber - 1 < $pageRange) {
+            $pageRange = $originalPageRange + $pageNumber - 1;
+        } else if ($originalPageRange + $pageNumber - 1 > count($paginator)) {
+            $pageRange = $originalPageRange + count($paginator) - $pageNumber;
+        }
+
+        return parent::getPages($paginator, $pageRange);
+    }
+}

library/Zend/Paginator/ScrollingStyle/Interface.php

@@ -0,0 +1,38 @@
+<?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_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Paginator_ScrollingStyle_Interface
+{
+    /**
+     * Returns an array of "local" pages given a page number and range.
+     *
+     * @param  Zend_Paginator $paginator
+     * @param  integer $pageRange (Optional) Page range
+     * @return array
+     */
+    public function getPages(Zend_Paginator $paginator, $pageRange = null);
+}

library/Zend/Paginator/ScrollingStyle/Jumping.php

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+<?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_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Paginator_ScrollingStyle_Interface
+ */
+require_once 'Zend/Paginator/ScrollingStyle/Interface.php';
+
+/**
+ * A scrolling style in which the cursor advances to the upper bound
+ * of the page range, the page range "jumps" to the next section, and
+ * the cursor moves back to the beginning of the range.
+ *
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Paginator_ScrollingStyle_Jumping implements Zend_Paginator_ScrollingStyle_Interface
+{
+    /**
+     * Returns an array of "local" pages given a page number and range.
+     *
+     * @param  Zend_Paginator $paginator
+     * @param  integer $pageRange Unused
+     * @return array
+     */
+    public function getPages(Zend_Paginator $paginator, $pageRange = null)
+    {
+        $pageRange  = $paginator->getPageRange();
+        $pageNumber = $paginator->getCurrentPageNumber();
+
+        $delta = $pageNumber % $pageRange;
+
+        if ($delta == 0) {
+            $delta = $pageRange;
+        }
+
+        $offset     = $pageNumber - $delta;
+        $lowerBound = $offset + 1;
+        $upperBound = $offset + $pageRange;
+
+        return $paginator->getPagesInRange($lowerBound, $upperBound);
+    }
+}

library/Zend/Paginator/ScrollingStyle/Sliding.php

@@ -0,0 +1,78 @@
+<?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_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Paginator_ScrollingStyle_Interface
+ */
+require_once 'Zend/Paginator/ScrollingStyle/Interface.php';
+
+/**
+ * A Yahoo! Search-like scrolling style.  The cursor will advance to
+ * the middle of the range, then remain there until the user reaches
+ * the end of the page set, at which point it will continue on to
+ * the end of the range and the last page in the set.
+ *
+ * @link       http://search.yahoo.com/search?p=Zend+Framework
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Paginator_ScrollingStyle_Sliding implements Zend_Paginator_ScrollingStyle_Interface
+{
+    /**
+     * Returns an array of "local" pages given a page number and range.
+     *
+     * @param  Zend_Paginator $paginator
+     * @param  integer $pageRange (Optional) Page range
+     * @return array
+     */
+    public function getPages(Zend_Paginator $paginator, $pageRange = null)
+    {
+        if ($pageRange === null) {
+            $pageRange = $paginator->getPageRange();
+        }
+
+        $pageNumber = $paginator->getCurrentPageNumber();
+        $pageCount  = count($paginator);
+
+        if ($pageRange > $pageCount) {
+            $pageRange = $pageCount;
+        }
+
+        $delta = ceil($pageRange / 2);
+
+        if ($pageNumber - $delta > $pageCount - $pageRange) {
+            $lowerBound = $pageCount - $pageRange + 1;
+            $upperBound = $pageCount;
+        } else {
+            if ($pageNumber - $delta < 0) {
+                $delta = $pageNumber;
+            }
+
+            $offset     = $pageNumber - $delta;
+            $lowerBound = $offset + 1;
+            $upperBound = $offset + $pageRange;
+        }
+
+        return $paginator->getPagesInRange($lowerBound, $upperBound);
+    }
+}