[client] allow user to choose how long an image is to be extended for

1 files changed, 97 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ExpiryDateChooser.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ExpiryDateChooser.java
new file mode 100644
index 00000000..a4810d24
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ExpiryDateChooser.java
@@ -0,0 +1,97 @@
+package org.openslx.dozmod.gui.helper;
+
+import java.awt.Component;
+import java.util.Calendar;
+import java.util.Date;
+
+import javax.swing.Box;
+import javax.swing.DefaultBoundedRangeModel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+import org.apache.log4j.Logger;
+import org.openslx.dozmod.gui.control.QLabel;
+import org.openslx.dozmod.thrift.Session;
+import org.openslx.dozmod.util.FormatHelper;
+
+public class ExpiryDateChooser {
+
+	private static final Logger LOGGER = Logger.getLogger(ExpiryDateChooser.class);
+
+	public final static int DEFAULT_EXTENSION_DURATION = 14;
+
+	private final static JPanel pane = new JPanel();
+	private final static GridManager grdPane = new GridManager(pane, 3, true);
+	private final static JSlider sldDaysToExtend = new JSlider(JSlider.HORIZONTAL);
+	private final static QLabel lblNewDate = new QLabel();
+	private final static QLabel lblNewDateLabel = new QLabel();
+	private final static String txtNewDateLevel = "Neues Ablaufdatum: ";
+	static {
+		grdPane.add(new QLabel("Geben Sie ein um wieviele Tage diese Version(en) verlängert werden soll:"), 3)
+				.fill(true, true)
+				.expand(true, true);
+		grdPane.nextRow();
+
+		sldDaysToExtend.setModel(new DefaultBoundedRangeModel(DEFAULT_EXTENSION_DURATION, 0, 1,
+				Session.getSatelliteConfig().maxImageValidityDays));
+		grdPane.add(sldDaysToExtend, 3).fill(true, false).expand(true, false);
+		grdPane.nextRow();
+
+		grdPane.add(lblNewDateLabel);
+		grdPane.add(Box.createGlue()).fill(true, false).expand(true, false);
+		grdPane.add(lblNewDate).fill(true, true).expand(true, true);
+		grdPane.finish(true);
+	}
+
+	/**
+	 * Helper to ask the user for the number of days to extend a date with. If
+	 * startingDate is given, it will preview the starting date + selected
+	 * number of days. If startingDate is null, no preview will be done.
+	 * Returns the numbers of days selected.
+	 * 
+	 * @param parent component to center the dialog on.
+	 * @param starting date to add the user selected duration on to. Only needed
+	 *            for live preview of the future date.
+	 * @return the number of days the user selected.
+	 */
+	public static int askFutureExpiryDate(final Component parent, final Date startingDate) {
+		final Calendar startingDayMidnight = Calendar.getInstance();
+		if (startingDate != null) {
+			startingDayMidnight.setTime(startingDate);
+			startingDayMidnight.set(Calendar.HOUR_OF_DAY, 23);
+			startingDayMidnight.set(Calendar.MINUTE, 59);
+			startingDayMidnight.set(Calendar.SECOND, 59);
+			lblNewDate.setText(FormatHelper.longDate(
+					DateTimeHelper.addDaysTo(startingDayMidnight.getTime(), DEFAULT_EXTENSION_DURATION)));
+			lblNewDateLabel.setText(txtNewDateLevel);
+		}
+		sldDaysToExtend.setValue(DEFAULT_EXTENSION_DURATION);
+		sldDaysToExtend.addChangeListener(new ChangeListener() {
+			@Override
+			public void stateChanged(ChangeEvent e) {
+				if (startingDate != null) {
+					Date newExpiryDate = DateTimeHelper.addDaysTo(startingDayMidnight.getTime(),
+							sldDaysToExtend.getValue());
+					lblNewDate.setText(FormatHelper.longDate(newExpiryDate));
+				}
+			}
+		});
+
+		int ret = JOptionPane.showConfirmDialog(parent, pane, "Ablaufdatum verlängern",
+				JOptionPane.OK_CANCEL_OPTION);
+		if (ret != 0) {
+			LOGGER.info("Canceled by user.");
+			return -1;
+		}
+		if (sldDaysToExtend.getValue() <= 0
+				|| sldDaysToExtend.getValue() > Session.getSatelliteConfig().maxImageValidityDays) {
+			LOGGER.error("Invalid date returned after asking user extension duration: "
+					+ sldDaysToExtend.getValue());
+			return -1;
+		}
+		return sldDaysToExtend.getValue();
+	}
+}
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