Import Upstream version 0.7.0

1 files changed, 135 insertions, 0 deletions

diff --git a/elki/src/main/java/de/lmu/ifi/dbs/elki/gui/configurator/FileParameterConfigurator.java b/elki/src/main/java/de/lmu/ifi/dbs/elki/gui/configurator/FileParameterConfigurator.java
new file mode 100644
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--- /dev/null
+++ b/elki/src/main/java/de/lmu/ifi/dbs/elki/gui/configurator/FileParameterConfigurator.java
@@ -0,0 +1,135 @@
+package de.lmu.ifi.dbs.elki.gui.configurator;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2015
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import java.awt.BorderLayout;
+import java.awt.GridBagConstraints;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.JFileChooser;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import de.lmu.ifi.dbs.elki.gui.icons.StockIcon;
+import de.lmu.ifi.dbs.elki.logging.LoggingUtil;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.FileParameter;
+
+/**
+ * Provide a configuration panel to choose a file with a file selector button.
+ * 
+ * @author Erich Schubert
+ * 
+ * @apiviz.uses FileParameter
+ */
+public class FileParameterConfigurator extends AbstractSingleParameterConfigurator<FileParameter> implements ActionListener {
+  /**
+   * The panel to store the components
+   */
+  final JPanel panel;
+
+  /**
+   * Text field to store the name
+   */
+  final JTextField textfield;
+
+  /**
+   * The button to open the file selector
+   */
+  final JButton button;
+
+  /**
+   * Constructor.
+   * 
+   * @param fp File parameter
+   * @param parent Component to attach to.
+   */
+  public FileParameterConfigurator(FileParameter fp, JComponent parent) {
+    super(fp, parent);
+    // create components
+    textfield = new JTextField();
+    textfield.setToolTipText(param.getShortDescription());
+    textfield.addActionListener(this);
+    button = new JButton(StockIcon.getStockIcon(StockIcon.DOCUMENT_OPEN));
+    button.setToolTipText(param.getShortDescription());
+    button.addActionListener(this);
+    // fill with value
+    File f = null;
+    if (fp.isDefined()) {
+      f = fp.getValue();
+    }
+    if (f != null) {
+      String fn = f.getPath();
+      textfield.setText(fn);
+    } else {
+      textfield.setText("");
+    }
+
+    // make a panel
+    GridBagConstraints constraints = new GridBagConstraints();
+    constraints.fill = GridBagConstraints.HORIZONTAL;
+    constraints.weightx = 1.0;
+    panel = new JPanel(new BorderLayout());
+    panel.add(textfield, BorderLayout.CENTER);
+    panel.add(button, BorderLayout.EAST);
+
+    parent.add(panel, constraints);
+    finishGridRow();
+  }
+
+  /**
+   * Button callback to show the file selector
+   */
+  @Override
+  public void actionPerformed(ActionEvent e) {
+    // Use a new JFileChooser. Inconsistent behaviour otherwise!
+    final JFileChooser fc = new JFileChooser(new File("."));
+    if (param.isDefined()) {
+      fc.setSelectedFile(param.getValue());
+    }
+
+    if (e.getSource() == button) {
+      int returnVal = fc.showOpenDialog(button);
+
+      if (returnVal == JFileChooser.APPROVE_OPTION) {
+        textfield.setText(fc.getSelectedFile().getPath());
+        fireValueChanged();
+      } else {
+        // Do nothing on cancel.
+      }
+    } else if (e.getSource() == textfield) {
+      fireValueChanged();
+    } else {
+      LoggingUtil.warning("actionPerformed triggered by unknown source: " + e.getSource());
+    }
+  }
+
+  @Override
+  public String getUserInput() {
+    return textfield.getText();
+  }
+}