added a ruler for measuring

added support for meta-data editing
improved element selection
changed zooming
fixed some issues with layer events
fixed issue with 3D outline
fixed loading issue for old maps
some interface changes

params/MetaEditModel.cpp

@@ -0,0 +1,87 @@
+#include "MetaEditModel.h"
+
+
+MetaEditModel::MetaEditModel(QObject* parent) : QAbstractTableModel(parent) {
+
+	setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));
+	setHeaderData(1, Qt::Horizontal, QObject::tr("Name"));
+}
+
+void MetaEditModel::setSource(Floorplan::Meta* meta) {
+	beginResetModel();
+	this->meta = meta;
+	endResetModel();
+}
+
+int MetaEditModel::rowCount(const QModelIndex &parent) const {
+	return (meta) ? (meta->size()) : (0);
+}
+
+int MetaEditModel::columnCount(const QModelIndex &parent) const {
+	return 2;
+}
+
+QVariant MetaEditModel::data(const QModelIndex &index, int role) const {
+
+	if (role == Qt::DisplayRole) {
+		switch(index.column()) {
+			case 0: return meta->getKey(index.row()).c_str();
+			case 1: return meta->getVal(index.row()).c_str();
+		}
+	}
+
+	return QVariant();
+
+}
+
+bool MetaEditModel::setData(const QModelIndex & index, const QVariant &value, int role) {
+
+	if (role == Qt::EditRole) {
+		switch(index.column()) {
+			case 0: meta->setKey(index.row(), value.toString().toStdString()); return true;
+			case 1: meta->setVal(index.row(), value.toString().toStdString()); return true;
+		}
+	}
+
+	return false;
+
+}
+
+void MetaEditModel::deleteEntry(const int idx) {
+	beginResetModel();
+	meta->deleteEntry(idx);
+	endResetModel();
+}
+
+void MetaEditModel::addEntry() {
+	beginResetModel();
+	meta->add("key", "val");
+	endResetModel();
+}
+
+Qt::ItemFlags MetaEditModel::flags(const QModelIndex &index) const {
+
+	if (!index.isValid()) {return Qt::ItemIsEnabled;}
+
+	return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable;
+
+}
+
+
+
+
+QVariant MetaEditModel::headerData(int section, Qt::Orientation orientation, int role) const {
+
+	if (role == Qt::DisplayRole) {
+		if(orientation == Qt::Horizontal) {
+			if (section == 0) {return "key";}
+			if (section == 1) {return "value";}
+		} else {
+			return QString::number(section);
+		}
+	}
+
+	return QVariant();
+
+}
+