From 77f206be783ebf8983adcaad1e4d6333b2d6792d Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Fri, 17 Jul 2015 13:13:12 +0200
Subject: [client] improved ImageMetaDataPage setPageComplete logic

---
 .../dozmod/gui/wizard/page/ImageMetaDataPage.java  | 67 ++++++++++++----------
 1 file changed, 38 insertions(+), 29 deletions(-)

(limited to 'dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/page')

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/page/ImageMetaDataPage.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/page/ImageMetaDataPage.java
index 395beed1..d4e47078 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/page/ImageMetaDataPage.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/wizard/page/ImageMetaDataPage.java
@@ -61,20 +61,7 @@ public class ImageMetaDataPage extends ImageMetaDataPageLayout {
 		osCombo.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
-				final int selectionIndex = osCombo.getSelectionIndex();
-				if (selectionIndex != -1) {
-					uploadWizardState.selectedOs = (OperatingSystem) osCombo.getData(osCombo.getItem(selectionIndex));
-					LOGGER.debug(uploadWizardState.selectedOs.toString());
-
-					// complete if the description was filled
-					if (!descriptionText.getText().isEmpty()) {
-						setMessage("Alles fertig, clicken Sie 'Finish'.");
-						setPageComplete(true);
-					} else {
-						setMessage("Fügen Sie eine Beschreibung hinzu.");
-						setPageComplete(false);
-					}
-				}
+				setPageCompleteOrMessage();
 			}
 		});
 
@@ -85,21 +72,7 @@ public class ImageMetaDataPage extends ImageMetaDataPageLayout {
 
 			@Override
 			public void keyReleased(KeyEvent e) {
-				if (!descriptionText.getText().isEmpty()) {
-					uploadWizardState.description = descriptionText.getText();
-					// complete if the OS was selected
-					if (osCombo.getSelectionIndex() != 1) {
-						setMessage("Alles fertig, clicken Sie 'Finish'.");
-						setPageComplete(true);
-					} else {
-						setMessage("Wählen Sie das Betriebssystem aus.");
-						setPageComplete(false);
-					}
-				} else {
-					// no description text
-					setMessage("Fügen Sie eine Beschreibung hinzu.");
-					setPageComplete(false);
-				}
+				setPageCompleteOrMessage();
 			}
 		});
 		// -- checkboxes for permissions --
@@ -170,4 +143,40 @@ public class ImageMetaDataPage extends ImageMetaDataPageLayout {
 		// Select no OS by default
 		osCombo.clearSelection();
 	}
+	
+	/**
+	 * Called by event listeners. This will set guidance message or error message
+	 * and call setPageComplete(bool) accordingly.
+	 */
+	private void setPageCompleteOrMessage() {
+
+		final int selectionIndex = osCombo.getSelectionIndex();
+		final String descriptionInput = descriptionText.getText();
+
+		// first check if both the combo and the description field are empty
+		if (selectionIndex == -1) {
+			if (descriptionInput.isEmpty()) {
+				// both empty, set the regular message
+				setMessage("Bitte wählen Sie das Betriebssystem aus und fügen Sie eine Beschreibung hinzu.");
+			} else {
+				// OS empty, description input present
+				setMessage("Wählen Sie das Betriebssystem aus.");
+			}
+		} else {
+			// OS selected, save it to state
+			uploadWizardState.selectedOs = (OperatingSystem) osCombo.getData(osCombo.getItem(selectionIndex));
+			LOGGER.debug(uploadWizardState.selectedOs.toString());
+			if (descriptionInput.isEmpty()) {
+				// OS set, no description
+				setMessage("Fügen Sie eine Beschreibung hinzu.");
+			} else {
+				// all set
+				setMessage("Alles fertig, clicken Sie 'Finish'.");
+			}
+		}
+		// always save the description input, even if empty.
+		uploadWizardState.description = descriptionInput;
+		// final step: check if we can continue or not
+		setPageComplete(selectionIndex != -1 && !descriptionInput.isEmpty());
+	}
 }
-- 
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