gvSIG projects pool

package org.gvsig.topology.swing.impl;

import java.awt.Dimension;

import javax.swing.JTree;

import javax.swing.event.TreeSelectionEvent;

import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.TreePath;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.ToolsSwingManager;

import org.gvsig.tools.swing.api.windowmanager.Dialog;

import org.gvsig.tools.swing.api.windowmanager.WindowManager_v2;

import org.gvsig.topology.lib.api.TopologyDataSet;

import org.gvsig.topology.swing.api.TopologySwingLocator;

import org.gvsig.topology.swing.api.TopologySwingServices;

/**

 *

 * @author jjdelcerro

 */

public class SelectDataSetDialog extends SelectDataSetDialogView {

    private final TopologySwingServices services;

    private Dialog dialog = null;

    SelectDataSetDialog() {

        this.services = TopologySwingLocator.getTopologySwingManager().getDefaultServices();

        this.initComponents();

    }

    private void initComponents() {

        this.treeDataSets.setModel(this.services.getDataSetTreeModel());

        this.expandAll(this.treeDataSets);

        this.treeDataSets.addTreeSelectionListener(new TreeSelectionListener() {

            @Override

            public void valueChanged(TreeSelectionEvent e) {

                performDataSetSelected();

            }

        });

        this.setPreferredSize(new Dimension(350, 400));

        this.translate();

    }

    private void expandAll(JTree tree) {

        int r = 0;

        while (r < tree.getRowCount()) {

            tree.expandRow(r);

            r++;

        }

    }

    private void translate() {

        ToolsSwingManager tsm = ToolsSwingLocator.getToolsSwingManager();

        tsm.translate(this.lblName);

    }

    public void setDialog(Dialog dialog) {

        this.dialog = dialog;

    }

    private void setOkButtonEnabled(boolean enabled) {

        if (this.dialog == null) {

            return;

        }

        this.dialog.setButtonEnabled(WindowManager_v2.BUTTONS_OK, enabled);

    }

    private TopologyDataSet getSelectedDataSet() {

        TreePath path = treeDataSets.getSelectionPath();

        Object element = path.getLastPathComponent();

        if (element instanceof TopologyDataSet) {

            TopologyDataSet dataSet = (TopologyDataSet) element;

            return dataSet;

        }

        return null;

    }

    public TopologyDataSet getDataSet() {

        TopologyDataSet dataSet = this.getSelectedDataSet();

        if (dataSet == null) {

            return null;

        }

        String name = this.txtName.getText();

        if (!StringUtils.isEmpty(name)) {

            dataSet.setName(name);

        }

        return dataSet;

    }

    public void performDataSetSelected() {

        TopologyDataSet dataSet = this.getSelectedDataSet();

        if (dataSet == null) {

            this.txtName.setText("");

            this.setOkButtonEnabled(false);

        } else {

            this.txtName.setText(dataSet.getName());

            this.setOkButtonEnabled(true);

        }

    }

}