From c543117ff43c63a053ea786ed606398ac4687494 Mon Sep 17 00:00:00 2001
From: Andreas Stöckel <astoecke@techfak.uni-bielefeld.de>
Date: Tue, 4 Mar 2014 12:59:32 +0000
Subject: added source code

git-svn-id: file:///var/local/svn/basicwriter@12 daaaf23c-2e50-4459-9457-1e69db5a47bf
---
 src/gui/framework/TileTreeNode.cpp | 115 +++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/gui/framework/TileTreeNode.cpp

(limited to 'src/gui/framework/TileTreeNode.cpp')

diff --git a/src/gui/framework/TileTreeNode.cpp b/src/gui/framework/TileTreeNode.cpp
new file mode 100644
index 0000000..58abf65
--- /dev/null
+++ b/src/gui/framework/TileTreeNode.cpp
@@ -0,0 +1,115 @@
+/*
+    BasicWriter
+    Copyright (C) 2014  Benjamin Paaßen, Andreas Stöckel
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "TileTreeNode.hpp"
+
+namespace TiledUI {
+
+TileTreeNode::TileTreeNode() :
+	parent(nullptr);
+{
+	// Do nothing here
+}
+
+TileTreeNode::TileTreeNode(TileTreeNode *parent) :
+	TileTreeNode()
+{
+	setParent(parent);
+}
+
+TileTreeNode::~TileTreeNode()
+{
+	// Free the memory for all children
+	for (auto &c : children) {
+		delete c;
+	}
+}
+
+void TileTreeNode::setParent(TileTreeNode *newParent)
+{
+	// Automatically remove this child from the old parent
+	if (parent) {
+		parent->removeChild(this);
+	}
+
+	// Add this element to the new parent
+	if (newParent) {
+		newParent->addChild(this);
+	}
+
+	// The current parent is the new parent
+	parent = newParent;
+}
+
+bool TileTreeNode::removeChild(GridTreeNode *node, bool recursive)
+{
+	// Iterate of the current container and remove the given node
+	const int idx = indexOf(node);
+	if (indexOf(node) >= 0) {
+		children.erase(children.begin() + idx);
+		return true;
+	}
+
+	// Descend into the tree if the recursive flag is set to true and the node
+	// was not yet found
+	if (recursive) {
+		for (auto &c : children) {
+			if (c.removeChild(node, true)) {
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+void TileTreeNode::addChild(TileTreeNode *child, int idx)
+{
+	// Make sure the given child is only inserted once into the tree
+	removeChild(child, true);
+
+	// Insert the child at the given position, or at the end if idx < 0
+	if (idx < 0) {
+		children.push_back(child);
+	} else {
+		children.insert(children.begin() + idx, child);
+	}
+}
+
+int TileTreeNode::indexOf(TileTreeNode *child)
+{
+	int i = 0;
+	for (auto it = children.begin(); it != children.end(); it++, i++) {
+		if (*it == node) {
+			return i;
+		}
+	}
+	return -1;
+}
+
+void TileTreeNode::parentWidget()
+{
+	if (parent)
+	{
+		return parent->parentWidget();
+	}
+	return nullptr;
+}
+
+}
+
-- 
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