Added new class ItemSelector

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@20113 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/gosa-core/include/class_ItemSelector.inc b/gosa-core/include/class_ItemSelector.inc
new file mode 100644 (file)
index 0000000..88bdc56
--- /dev/null
+++ b/gosa-core/include/class_ItemSelector.inc
@@ -0,0 +1,307 @@
+<?php
+/*
+ * This code is part of GOsa (http://www.gosa-project.org)
+ * Copyright (C) 2003-2010 GONICUS GmbH
+ *
+ * ID: $$Id: class_listing.inc 15296 2010-01-26 08:27:39Z cajus $$
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+class ItemSelector {
+
+    public $base;
+    public $pid;
+    public $action;
+    public $height= 500;
+    public $submitButton= true;
+    public $tree;
+    public $pathMapping;
+    public $lastState;
+    public $releaseInfo;
+    public $releaseBase;
+
+    function __construct($bases, $base, $releaseBase)
+    {
+        // Initialize pid
+        $this->pid= preg_replace("/[^0-9]/", "", microtime(TRUE));
+
+        // Get list of used IDs
+        if(!session::is_set('releaseSelector_USED_IDS')){
+            session::set('releaseSelector_USED_IDS',array());
+        }
+        $usedIds = session::get('releaseSelector_USED_IDS');
+
+        // Generate instance wide unique ID
+        $pid = "";
+        while($pid == "" || in_array($pid, $usedIds)){
+
+            // Wait 1 msec to ensure that we definately get a new id
+            if($pid != "") usleep(1);
+            $tmp= gettimeofday();
+            $pid =  'l'.md5(microtime().$tmp['sec']);
+        }
+
+        // Only keep the last 10 list IDsi
+        $usedIds = array_slice($usedIds, count($usedIds) -10, 10);
+        $usedIds[] = $pid;
+        session::set('releaseSelector_USED_IDS',$usedIds);
+        $this->pid = $pid;
+
+        // Transfer data
+        $this->releaseBase = $releaseBase; 
+        $this->setBases($bases);
+        $this->setBase($base);
+    }
+
+
+    function setSubmitButton($flag)
+    {
+        $this->submitButton= $flag;
+    }
+
+
+    function setHeight($value)
+    {
+        $this->height= $value;
+    }
+
+
+    function setBase($base)
+    {
+        $this->base= $base;
+        if (isset($this->pathMapping[$base])) {
+            $this->update(true);
+        }
+    }
+
+    function setRootBase($base)
+    {
+        $this->releaseBase = $base;
+    }
+
+
+    function checkBase($base)
+    {
+        return isset($this->pathMapping[$base]);
+    }
+
+
+    function checkLastBaseUpdate()
+    {
+        return $this->lastState;
+    }
+
+
+    function setBases($bases)
+    {
+        global $config;
+        $this->releaseInfo = array();
+        $this->pathMapping= array();
+        $selected= $this->base == $this->releaseBase?"Selected":"";
+        $first= true;
+        $last_indent= 2;
+
+        foreach ($bases as $base => $dummy) {
+
+            // Build path style display
+            $elements= explode(',', substr($base, 0, strlen($base) - strlen($this->releaseBase)));
+            $elements= array_reverse($elements, true);
+            $this->pathMapping[$base]= $base == $this->releaseBase? '/' : ldap::fix(preg_replace('/(^|,)[a-z0-9]+=/i', '/', implode(',', $elements)));
+
+            $this->releaseInfo[$base]['name'] = ldap::fix(preg_replace('/(^|,)[a-z0-9]+=/i', '', $elements[0]));
+            $this->releaseInfo[$base]['description'] = $dummy;
+        }
+
+        // Save bases to session for autocompletion
+        session::global_set('pathMapping', $this->pathMapping);
+        session::global_set('department_info', $this->releaseInfo);
+    }
+
+
+    function update($force= false)
+    {
+        global $config;
+
+        // Analyze for base changes if needed
+        $this->action= null;
+        $last_base= $this->base;
+        if(isset($_REQUEST["BPID_{$this->pid}"]) && $_REQUEST["BPID_{$this->pid}"] == $this->pid) {
+            if (isset($_POST['bs_rebase_'.$this->pid]) && !empty($_POST['bs_rebase_'.$this->pid])) {
+                $new_base= base64_decode(get_post('bs_rebase_'.$this->pid));
+                if (isset($this->pathMapping[$new_base])) {
+                    $this->base= $new_base;
+                    $this->action= 'rebase';
+                } else {
+                    $this->lastState= false;
+                    return false;
+                }
+            }else{
+                // Input field set?
+                if (isset($_POST['bs_input_'.$this->pid])) {
+
+                    // Take over input field base
+                    if ($this->submitButton && isset($_POST['submit_base_'.$this->pid]) || !$this->submitButton) {
+
+                        // Check if base is available
+                        $this->lastState= false;
+                        foreach ($this->pathMapping as $key => $path) {
+                            if (mb_strtolower($path) == mb_strtolower(get_post('bs_input_'.$this->pid))) {
+                                $this->base= $key;
+                                $this->lastState= true;
+                                break;
+                            }
+                        }
+                    }
+                }
+            } 
+
+        }
+
+        /* Skip if there's no change */
+        if (($this->tree && $this->base == $last_base) && !$force) {
+            return true;
+        }
+
+        $link= "onclick=\"\$('bs_rebase_".$this->pid."').value='".base64_encode($this->releaseBase)."';  
+            $('submit_tree_base_".$this->pid."').click();\"";
+
+        $this->tree= "<input style='width:160px' type='text' size='35' 
+            name='bs_input_{$this->pid}' id='bs_input_{$this->pid}'
+
+            onkeydown=\"    \$('bs_{$this->pid}').hide(); \"
+            onfocus=\"      \$('bs_{$this->pid}').hide(); \"
+            onmouseover=\"  mouseIsStillOver = true; 
+            function showIt() 
+            {
+                if(mouseIsStillOver){
+                    \$('bs_".$this->pid."').show();  
+                }
+            };
+        Element.clonePosition(\$('bs_".$this->pid."'),
+                'bs_input_".$this->pid."', 
+                {setHeight: false, setWidth: false, offsetTop:(Element.getHeight('bs_input_".$this->pid."'))});
+        rtimer=showIt.delay(0.25); \" 
+
+            onmouseout=\"   mouseIsStillOver=false; 
+            rtimer=Element.hide.delay(0.25,'bs_".$this->pid."')\"
+
+            value=\"".preg_replace('/"/','&quot;',$this->pathMapping[$this->base])."\">";
+
+        // Autocompleter
+        $this->tree.= "<div id='autocomplete_".$this->pid."' class='autocomplete'></div>".
+            "<script type='text/javascript'>".
+            "var mouseIsStillOver = false;".
+            "new Ajax.Autocompleter('bs_input_".$this->pid."', 'autocomplete_".$this->pid."', 'autocomplete.php?type=base', { minChars: 3, frequency: 0.5 });";
+        if ($this->submitButton) {
+            $this->tree.= "$('bs_input_".$this->pid."').observe('keypress', function(event) { if(event.keyCode == Event.KEY_RETURN) { $('submit_base_".$this->pid."').click(); } });";
+        }
+        $this->tree.= "</script>";
+
+        $selected= $this->base == $this->releaseBase?"Selected":"";
+        $this->tree.= "<div class='treeList' style='display:none;max-height:".$this->height."px' id='bs_".$this->pid."' onmouseover=\"window.clearTimeout(rtimer);\" onmouseout=\"rtimer= Element.hide.delay(0.25, 'bs_".$this->pid."')\"><a class='treeList$selected' $link>/&nbsp;["._("Root")."]</a><ul class='treeList'>\n";
+        $first= true;
+        $last_indent= 2;
+
+        foreach ($this->pathMapping as $base => $dummy) {
+
+            // Skip root for tree
+            if ($base == $this->releaseBase) {
+                continue;
+            }
+
+            // Build path style display
+            $elements= explode(',', substr($base, 0, strlen($base) - strlen($this->releaseBase)));
+
+            $indent= count($elements);
+            if (!$first && ($indent == $last_indent)) {
+                $this->tree.= "</li>\n";
+            }
+            if ($indent > $last_indent) {
+                $this->tree.= "<ul>\n";
+            }
+            if ($indent < $last_indent) {
+                for ($i= 0; $i < ($last_indent-$indent); $i++) {
+                    $this->tree.= "</li></ul>\n";
+                }
+                $this->tree.= "</li>\n";
+            }
+            $selected= $this->base == $base?" class='treeListSelected'":"";
+            $link= "onclick=\"\$('bs_rebase_".$this->pid."').value='".base64_encode($base)."';$('submit_tree_base_".$this->pid."').click();\"";
+
+            $this->tree.= "<li>".
+                "<a$selected $link>".
+                $this->gennonbreaks($this->releaseInfo[$base]['name']).
+                ($this->releaseInfo[$base]['description']==''?'':'&nbsp;<span class="informal">['.$this->gennonbreaks($this->releaseInfo[$base]['description']).']</span>').
+                "</a>";
+
+            $last_indent= $indent;
+            $first= false;
+        }
+
+        // Close tree
+        for ($i= 1; $i<$last_indent; $i++) {
+            $this->tree.= "</li></ul>\n";
+        }
+        $this->tree.= "</div>\n";
+
+        // Draw submitter if required
+        if ($this->submitButton) {
+            $this->tree.= image('images/lists/submit.png', "submit_base_".$this->pid, _("Submit"));
+        }
+        $this->tree.= "<input type='submit' style='display:none' name='submit_tree_base_".$this->pid."' id='submit_tree_base_".$this->pid."'>";
+        $this->tree.= "<input type='hidden' name='bs_rebase_".$this->pid."' id='bs_rebase_".$this->pid."'>";
+        $this->tree.= "<input type='hidden' name='BPID_{$this->pid}' id='BPID_{$this->pid}' value='".$this->pid."'>";
+
+        $this->lastState= true;
+        return true;
+    }
+
+
+    function gennonbreaks($string)
+    {
+        return str_replace('-', '&#8209;', str_replace(' ', '&nbsp;', $string));
+    }
+
+
+    function render()
+    {
+        return $this->tree;
+    }
+
+
+    function getBase()
+    {
+        return $this->base;
+    }
+
+
+    function getAction()
+    {
+        // Do not do anything if this is not our BPID, or there's even no BPID available...
+        if(!isset($_REQUEST["BPID_{$this->pid}"]) || $_REQUEST["BPID_{$this->pid}"] != $this->pid) {
+            return;
+        }
+
+        if ($this->action) {
+            return array("targets" => array($this->base), "action" => $this->action);
+        }
+
+        return null;
+    }
+
+}
+
+?>