From eed57674f99621e5354a13543067e9556eb9c6d0 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Sat, 24 Jan 2009 05:14:44 +0000
Subject: Add move support.  Use the move icon in the quick pane.  You can't
 move an item into its own hierarchy, or into an album where you don't have
 edit permission.

---
 core/controllers/move.php       | 64 +++++++++++++++++++++++++++++++++++++++++
 core/libraries/ORM_MPTT.php     | 14 +++++++++
 core/models/item.php            |  1 +
 core/views/move_browse.html.php | 38 ++++++++++++++++++++++++
 core/views/move_tree.html.php   | 19 ++++++++++++
 core/views/quick_pane.html.php  |  2 +-
 6 files changed, 137 insertions(+), 1 deletion(-)
 create mode 100644 core/controllers/move.php
 create mode 100644 core/views/move_browse.html.php
 create mode 100644 core/views/move_tree.html.php

(limited to 'core')

diff --git a/core/controllers/move.php b/core/controllers/move.php
new file mode 100644
index 00000000..2171d492
--- /dev/null
+++ b/core/controllers/move.php
@@ -0,0 +1,64 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * 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., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class Move_Controller extends Controller {
+  public function browse($source_id) {
+    $source = ORM::factory("item", $source_id);
+    access::required("edit", $source);
+
+    $view = new View("move_browse.html");
+    $view->source = $source;
+    $view->tree = $this->_get_tree_html($source, ORM::factory("item", 1));
+    print $view;
+  }
+
+  public function save($source_id) {
+    access::verify_csrf();
+    $source = ORM::factory("item", $source_id);
+    access::required("edit", $source);
+    $target = ORM::factory("item", $this->input->post("target_id"));
+    access::required("edit", $target);
+    $source->move_to($target);
+    print json_encode(
+      array("result" => "success",
+            "location" => url::site("albums/{$target->id}")));
+  }
+
+  public function show_sub_tree($source_id, $target_id) {
+    $source = ORM::factory("item", $source_id);
+    $target = ORM::factory("item", $target_id);
+    access::required("edit", $source);
+    access::required("view", $target);
+
+    print $this->_get_tree_html($source, $target);
+  }
+
+  private function _get_tree_html($source, $target) {
+    $view = new View("move_tree.html");
+    $view->source = $source;
+    $view->parent = $target;
+    $view->children = ORM::factory("item")
+      ->viewable()
+      ->where("type", "album")
+      ->where("parent_id", $target->id)
+      ->find_all();
+    return $view;
+  }
+
+}
diff --git a/core/libraries/ORM_MPTT.php b/core/libraries/ORM_MPTT.php
index e8411db0..e67478a7 100644
--- a/core/libraries/ORM_MPTT.php
+++ b/core/libraries/ORM_MPTT.php
@@ -102,6 +102,15 @@ class ORM_MPTT_Core extends ORM {
     parent::delete();
   }
 
+  /**
+   * Return true if the target is descendant of this item.
+   * @param ORM $target
+   * @return boolean
+   */
+  function is_descendant($target) {
+    return ($this->left <= $target->left && $this->right >= $target->right);
+  }
+
   /**
    * Return the parent of this node
    *
@@ -203,6 +212,11 @@ class ORM_MPTT_Core extends ORM {
       throw new Exception("@todo INVALID_SOURCE root album");
     }
 
+    if ($this->left <= $target->left &&
+        $this->right >= $target->right) {
+      throw new Exception("@todo INVALID_TARGET can't move item inside itself");
+    }
+
     $number_to_move = (int)(($this->right - $this->left) / 2 + 1);
     $size_of_hole = $number_to_move * 2;
     $original_left = $this->left;
diff --git a/core/models/item.php b/core/models/item.php
index 5654b36f..ed82da52 100644
--- a/core/models/item.php
+++ b/core/models/item.php
@@ -110,6 +110,7 @@ class Item_Model extends ORM_MPTT {
     $original_thumb_path = $this->thumb_path();
 
     parent::move_to($target, true);
+    $this->relative_path = null;
 
     rename($original_path, $this->file_path());
     if ($this->is_album()) {
diff --git a/core/views/move_browse.html.php b/core/views/move_browse.html.php
new file mode 100644
index 00000000..5a0a1f56
--- /dev/null
+++ b/core/views/move_browse.html.php
@@ -0,0 +1,38 @@
+<?php defined("SYSPATH") or die("No direct script access.") ?>
+<script type="text/javascript">
+ var load_tree = function(target_id, locked) {
+   var load_url = "<?= url::site("move/show_sub_tree/{$source->id}/__TARGETID__") ?>";
+   var node = $("#node_" + target_id);
+   $("#gMove .node a").removeClass("selected");
+   node.find("a:first").addClass("selected");
+   if (locked) {
+     $("#gMoveButton").attr("disabled", "disabled");
+     $("#gMove form input[name=target_id]").attr("value", "");
+   } else {
+     $("#gMoveButton").removeAttr("disabled");
+     $("#gMove form input[name=target_id]").attr("value", target_id);
+   }
+   var sub_tree = $("#tree_" + target_id);
+   if (sub_tree.length) {
+     sub_tree.toggle();
+   } else {
+     $.get(load_url.replace("__TARGETID__", target_id), {},
+           function(data) {
+             node.html(data);
+             node.find("a:first").addClass("selected");
+           });
+   }
+ }
+</script>
+<div id="gMove">
+  <ul id="tree_0">
+    <li id="node_1" class="node">
+      <?= $tree ?>
+    </li>
+  </ul>
+  <form method="post" action="<?= url::site("move/save/$source->id") ?>">
+    <?= access::csrf_form_field() ?>
+    <input type="hidden" name="target_id" value="" />
+    <input type="submit" id="gMoveButton" value="<?= t("Move") ?>" disabled="disabled"/>
+  </form>
+</div>
diff --git a/core/views/move_tree.html.php b/core/views/move_tree.html.php
new file mode 100644
index 00000000..a3a4bc8f
--- /dev/null
+++ b/core/views/move_tree.html.php
@@ -0,0 +1,19 @@
+<?php defined("SYSPATH") or die("No direct script access.") ?>
+<?= $parent->thumb_tag(array(), 25); ?>
+<? if (!access::can("edit", $parent) || $source->is_descendant($parent)): ?>
+<a href="javascript:load_tree('<?= $parent->id ?>',1)"> <?= $parent->title ?> <?= t("(locked)") ?> </a>
+<? else: ?>
+<a href="javascript:load_tree('<?= $parent->id ?>',0)"> <?= $parent->title ?></a>
+<? endif ?>
+<ul id="tree_<?= $parent->id ?>">
+  <? foreach ($children as $child): ?>
+  <li id="node_<?= $child->id ?>" class="node">
+    <?= $child->thumb_tag(array(), 25); ?>
+    <? if (!access::can("edit", $child) || $source->is_descendant($child)): ?>
+    <a href="javascript:load_tree('<?= $child->id ?>',1)"> <?= $child->title ?> <?= t("(locked)") ?></a>
+    <? else: ?>
+    <a href="javascript:load_tree('<?= $child->id ?>',0)"> <?= $child->title ?> </a>
+    <? endif ?>
+  </li>
+  <? endforeach ?>
+</ul>
diff --git a/core/views/quick_pane.html.php b/core/views/quick_pane.html.php
index d3977a39..8d39d214 100644
--- a/core/views/quick_pane.html.php
+++ b/core/views/quick_pane.html.php
@@ -21,7 +21,7 @@
 </a>
 <? endif ?>
 
-<a class="move" href="<?= url::site("quick/form_edit/$item->id") ?>"
+<a class="move gDialogLink" href="<?= url::site("move/browse/$item->id") ?>"
   title="<?= t("Move this item to another album") ?>">
   <span>
     <?= t("Move this item to another album") ?>
-- 
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