Support for generic diagram item properties editors + add relationship props editor UI

1 files changed, 149 insertions, 0 deletions

diff --git a/src/items/database/databasetableproperties.cpp b/src/items/database/databasetableproperties.cpp
new file mode 100644
index 0000000..4c7b138
--- /dev/null
+++ b/src/items/database/databasetableproperties.cpp
@@ -0,0 +1,149 @@
+// Copyright (C) 2008  Lukas Lalinsky
+//
+// 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.
+
+#include <QGridLayout>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include "commands.h"
+#include "columnlist.h"
+#include "columnlistview.h"
+#include "databasetable.h"
+#include "databasetableproperties.h"
+#include "diagramdocument.h"
+
+class DatabaseTableProperties::PrivateData
+{
+public:
+	PrivateData()
+		{}
+	
+	QLineEdit *nameEdit;
+	ColumnListView *columnListView;
+	QPushButton *addColumnButton;
+	QPushButton *removeColumnButton;
+	QPushButton *moveColumnUpButton;
+	QPushButton *moveColumnDownButton;
+};
+
+DatabaseTableProperties::DatabaseTableProperties(QWidget *parent)
+	: DiagramItemProperties(parent), d(new PrivateData)
+{
+	addPage(tr("&Table"), createTablePage());
+	addPage(tr("&Columns"), createColumnsPage());
+}
+
+DatabaseTable *
+DatabaseTableProperties::currentTable()
+{
+	return static_cast<DatabaseTable *>(currentItem());
+}
+
+QWidget *
+DatabaseTableProperties::createTablePage()
+{
+	QWidget *page = new QWidget(this);
+	QGridLayout *layout = new QGridLayout(page);
+
+	d->nameEdit = new QLineEdit(page);
+	connect(d->nameEdit, SIGNAL(textEdited(const QString &)), SLOT(setTableName(const QString &)));
+	layout->addWidget(new QLabel(tr("Name:"), page), 0, 0);
+	layout->addWidget(d->nameEdit, 0, 1);
+	layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding), 1, 0, 1, 2);
+
+	return page;
+}
+
+QWidget *
+DatabaseTableProperties::createColumnsPage()
+{
+	QWidget *page = new QWidget(this);
+	QGridLayout *layout = new QGridLayout(page);
+
+	d->columnListView = new ColumnListView(page);
+	layout->addWidget(d->columnListView, 0, 0, 5, 1);
+
+	connect(d->columnListView->selectionModel(),
+		SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
+		SLOT(updateColumnSelection()));
+
+	d->addColumnButton = new QPushButton(tr("&Add"), page);
+	d->removeColumnButton = new QPushButton(tr("&Remove"), page);
+	d->moveColumnUpButton = new QPushButton(tr("Move &Up"), page);
+	d->moveColumnDownButton = new QPushButton(tr("Move &Down"), page);
+	layout->addWidget(d->addColumnButton, 0, 1);
+	layout->addWidget(d->removeColumnButton, 1, 1);
+	layout->addWidget(d->moveColumnUpButton, 2, 1);
+	layout->addWidget(d->moveColumnDownButton, 3, 1);
+ 	layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding), 4, 1, 1, 1);
+
+	connect(d->addColumnButton, SIGNAL(clicked()), d->columnListView, SLOT(addColumn()));
+	connect(d->removeColumnButton, SIGNAL(clicked()), d->columnListView, SLOT(removeColumn()));
+	connect(d->moveColumnUpButton, SIGNAL(clicked()), d->columnListView, SLOT(moveColumnUp()));
+	connect(d->moveColumnDownButton, SIGNAL(clicked()), d->columnListView, SLOT(moveColumnDown()));
+
+	return page;
+}
+
+void
+DatabaseTableProperties::switchCurrentItem(DiagramItem *oldItem, DiagramItem *)
+{
+	if (oldItem)
+		disconnect(oldItem, 0, this, 0);
+	DatabaseTable *table = currentTable();
+	if (table) {
+		d->nameEdit->setText(table->name());
+		d->columnListView->setColumnList(table->columnList());
+		connect(table, SIGNAL(propertyChanged(const QString &, const QVariant &)), SLOT(updateProperty(const QString &, const QVariant &)));
+	}
+	else {
+		d->nameEdit->clear();
+		d->columnListView->setColumnList(NULL);
+	}
+	updateColumnSelection();
+}
+
+void
+DatabaseTableProperties::updateProperty(const QString &name, const QVariant &value)
+{
+	if (name == "name") {
+		d->nameEdit->setText(value.toString());
+	}
+}
+
+void
+DatabaseTableProperties::setTableName(const QString &name)
+{
+	DatabaseTable *table = currentTable();
+	table->document()->undoStack()->push(new SetObjectPropertyCommand(table, "name", name));
+}
+
+void
+DatabaseTableProperties::updateColumnSelection()
+{
+	QList<int> columns = d->columnListView->selectedColumns();
+	if (columns.isEmpty()) {
+		d->removeColumnButton->setEnabled(false);
+		d->moveColumnUpButton->setEnabled(false);
+		d->moveColumnDownButton->setEnabled(false);
+	}
+	else {
+		int index = columns[0];
+		d->removeColumnButton->setEnabled(true);
+		d->moveColumnUpButton->setEnabled(index > 0);
+		d->moveColumnDownButton->setEnabled(index + 1 < currentTable()->columnList()->columnCount());
+	}
+}