Working on outline metadata

source/pro/litvinovg/libreoffice/metadata/Document.java

@@ -16,12 +16,21 @@ import com.sun.star.beans.UnknownPropertyException;
 import com.sun.star.beans.XPropertyContainer;
 import com.sun.star.beans.XPropertySet;
 import com.sun.star.beans.XPropertySetInfo;
+import com.sun.star.container.NoSuchElementException;
+import com.sun.star.container.XEnumeration;
+import com.sun.star.container.XEnumerationAccess;
 import com.sun.star.document.XDocumentProperties;
 import com.sun.star.document.XDocumentPropertiesSupplier;
 import com.sun.star.frame.XDesktop;
 import com.sun.star.lang.IllegalArgumentException;
+import com.sun.star.lang.WrappedTargetException;
 import com.sun.star.lang.XComponent;
 import com.sun.star.lang.XMultiComponentFactory;
+import com.sun.star.lang.XServiceInfo;
+import com.sun.star.text.XText;
+import com.sun.star.text.XTextContent;
+import com.sun.star.text.XTextDocument;
+import com.sun.star.text.XTextRange;
 import com.sun.star.uno.UnoRuntime;
 import com.sun.star.uno.XComponentContext;
 
@@ -40,6 +49,7 @@ public class Document {
 	private XComponent currentDocument;
 	private XDocumentProperties documentProperties;
 	private XDocumentPropertiesSupplier documentPropertiesSupplier;
+	private XText text = null;
 
 	public Document(XComponentContext componentContext) {
 		context = componentContext;
@@ -48,6 +58,8 @@ public class Document {
 			Object oDesktop = multiComponentFactory.createInstanceWithContext("com.sun.star.frame.Desktop", context);
 			xDesktop = UnoRuntime.queryInterface(XDesktop.class, oDesktop);
 			getCurrentDocument();
+			getDocumentText();
+			updateChapterMetadata();
 		} catch (Exception e) {
 			System.out.println("xDesktop inaccessible. Can not proceed.");
 			e.printStackTrace();
@@ -56,6 +68,51 @@ public class Document {
 		//logProperties();
 	}
 
+	private void getDocumentText() {
+		XTextDocument textDocument =  UnoRuntime.queryInterface(XTextDocument.class,currentDocument);
+		text = textDocument.getText();
+	}
+
+	private void updateChapterMetadata() {
+		findAllChapters();
+	}
+
+	private void findAllChapters() {
+		XEnumerationAccess enumAccess = UnoRuntime.queryInterface(XEnumerationAccess.class, text);
+		XEnumeration textEnum = enumAccess.createEnumeration();
+		while (textEnum.hasMoreElements()) {
+			try {
+				XTextContent textContent =  UnoRuntime.queryInterface(XTextContent.class, textEnum.nextElement());
+				if(isSupported(textContent, "com.sun.star.text.TextTable")) {
+					//TODO: Go over table to check for outline elements
+				} else
+				if (isSupported(textContent, "com.sun.star.style.ParagraphProperties")) {
+					Short outlineLevel = null;
+					XPropertySet properties =  UnoRuntime.queryInterface(XPropertySet.class, textContent);
+					try {
+						outlineLevel = (Short) properties.getPropertyValue("OutlineLevel");
+					} catch (UnknownPropertyException e) {
+						System.out.println("Shouldn't be here!");
+						e.printStackTrace();
+					}
+					if (outlineLevel != null && outlineLevel > 0) {
+						XTextRange textRange = textContent.getAnchor();
+						String name = textRange.getString();
+						System.out.println("Outline element found! " + name);
+						new OutlineElement(textRange);
+						//TODO: outline element found. Save outline element name and anchor
+					}
+				} 
+			} catch (NoSuchElementException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			} catch (WrappedTargetException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+	}
+
 	private void getCurrentDocument() throws MetadataInaccessableException {
 		currentDocument = xDesktop.getCurrentComponent();
 		if (currentDocument == null) {
@@ -231,6 +288,14 @@ public class Document {
 		}
 		return value;
 	}
+	
+	private boolean isSupported(Object object, String service) {
+		XServiceInfo info = UnoRuntime.queryInterface(XServiceInfo.class, object);
+		if (info == null) {
+			return false;
+		}
+		return info.supportsService(service);
 
+	}
 
 }

source/pro/litvinovg/libreoffice/metadata/MetadataElement.java

@@ -0,0 +1,43 @@
+package pro.litvinovg.libreoffice.metadata;
+
+import static pro.litvinovg.libreoffice.metadata.MetadataElement.METADATA_PREFIX;
+
+public class MetadataElement {
+	
+	public static final String METADATA_START = "## Metadata Editor extension. Outline metadata folllows: ";
+	public static String METADATA_PREFIX = "##";
+	public static String METADATA_END = "## Metadata Editor extension. Outline metadata ends.";
+	
+	
+	
+	private String name;
+	private String value;
+	
+	public MetadataElement(String name, String value) {
+		this.name = name;
+		this.value = value;
+	}
+	public MetadataElement(String encodedPair) {
+		//TODO: Parse encoded pair
+		this.name = "";
+		this.value = "";
+	}
+	public String getName() {
+		return name;
+	}
+	
+	public String getValue() {
+		return value;
+	}
+	public static boolean isValidMetadataString(String cursorContent) {
+		if (!cursorContent.startsWith(METADATA_PREFIX) || 
+				cursorContent.equals(METADATA_START) ||
+				cursorContent.equals(METADATA_END)){
+			return false;
+		}
+		String data = cursorContent.substring(cursorContent.lastIndexOf(METADATA_PREFIX));
+		
+		return true;
+	}
+	
+}

source/pro/litvinovg/libreoffice/metadata/OutlineElement.java

@@ -0,0 +1,79 @@
+package pro.litvinovg.libreoffice.metadata;
+
+import java.util.ArrayList;
+
+import com.sun.star.text.XParagraphCursor;
+import com.sun.star.text.XText;
+import com.sun.star.text.XTextCursor;
+import com.sun.star.text.XTextRange;
+import com.sun.star.uno.UnoRuntime;
+import static pro.litvinovg.libreoffice.metadata.MetadataElement.*;
+
+public class OutlineElement {
+
+	private String name;
+	private ArrayList<MetadataElement> metadataElements = null;
+	
+	public String getName() {
+		return name;
+	}
+
+	private XTextRange textRange;
+	private boolean hasMetadataStorage = false;
+	private XTextRange metadataTextRange = null;
+	
+	public OutlineElement(XTextRange textRange) {
+		this.textRange = textRange;
+		this.name = textRange.getString();
+		getMetadataStorage();
+	}
+
+	private void getMetadataStorage() {
+		XText curText = textRange.getText();
+		XTextCursor cursor = curText.createTextCursorByRange(textRange);
+		XParagraphCursor paraCursor = UnoRuntime.queryInterface(XParagraphCursor.class, cursor);
+		readMetadataBody(paraCursor);
+		if (metadataElements == null) {
+			metadataElements = new ArrayList<MetadataElement>();
+		}
+	}
+
+	private void readMetadataBody(XParagraphCursor paraCursor) {
+		String cursorContent = getNextParaContent(paraCursor);
+		
+		if (! cursorContent.equals(METADATA_START)){
+			System.out.println("Para doesn't have metadata start header" + cursorContent);
+			return;
+		}	
+		ArrayList<MetadataElement> metadataTempElements = new ArrayList<MetadataElement>();
+		cursorContent = getNextParaContent(paraCursor);
+		while (cursorContent.startsWith(METADATA_PREFIX)) {
+			if (cursorContent.equals(METADATA_END)) {
+				metadataElements = metadataTempElements;
+				return;
+			}
+			if (MetadataElement.isValidMetadataString(cursorContent)) {
+				metadataTempElements.add(new MetadataElement(cursorContent));
+			} else {
+				//If reading fails exit immediately
+				return;
+			}
+			cursorContent = getNextParaContent(paraCursor);
+		}
+		
+	}
+
+	private String getNextParaContent(XParagraphCursor paraCursor) {
+		boolean moved = paraCursor.gotoNextParagraph(false);
+		if (moved == false) {
+			return "";
+		}
+		moved = paraCursor.gotoEndOfParagraph(true);
+		if (moved == false) {
+			return "";
+		}
+		String cursorContent = paraCursor.getString();
+		return cursorContent;
+	}
+	
+}

source/pro/litvinovg/libreoffice/metadata/views/EditorGUI.java

@@ -44,6 +44,7 @@ import java.awt.event.FocusAdapter;
 import java.awt.event.FocusEvent;
 import javax.swing.JToggleButton;
 import javax.swing.LayoutStyle.ComponentPlacement;
+import javax.swing.JLabel;
 
 public class EditorGUI extends JFrame {
 	//Components
@@ -190,6 +191,7 @@ public class EditorGUI extends JFrame {
 		tableDocProps.setModel(docPropertiesModel);
 		
 		tableDocCustomProps = new JTable();
+		tableDocCustomProps.setColumnSelectionAllowed(true);
 		tableDocCustomProps.putClientProperty("terminateEditOnFocusLost", true);
 
 		tableDocCustomProps.setSurrendersFocusOnKeystroke(true);
@@ -199,32 +201,49 @@ public class EditorGUI extends JFrame {
 		
 		btnNewButton = new JButton("Save");
 		
+		JLabel labelDocProperties = new JLabel("Основные метаданные");
+		
+		JLabel labelDocCustomProperties = new JLabel("Дополнительные метаданные");
+		
 		GroupLayout gl_panel = new GroupLayout(panel);
 		gl_panel.setHorizontalGroup(
-			gl_panel.createParallelGroup(Alignment.LEADING)
+			gl_panel.createParallelGroup(Alignment.TRAILING)
-				.addGroup(Alignment.TRAILING, gl_panel.createSequentialGroup()
+				.addGroup(Alignment.LEADING, gl_panel.createSequentialGroup()
-					.addContainerGap(838, Short.MAX_VALUE)
+					.addGap(378)
-					.addComponent(btnNewButton)
+					.addComponent(labelDocProperties, GroupLayout.DEFAULT_SIZE, 260, Short.MAX_VALUE)
-					.addGap(58))
+					.addGap(421))
-				.addGroup(gl_panel.createSequentialGroup()
+				.addGroup(Alignment.LEADING, gl_panel.createSequentialGroup()
+					.addContainerGap()
+					.addGroup(gl_panel.createParallelGroup(Alignment.LEADING)
+						.addGroup(gl_panel.createSequentialGroup()
+							.addComponent(tableDocProps, GroupLayout.DEFAULT_SIZE, 940, Short.MAX_VALUE)
+							.addContainerGap())
+						.addGroup(Alignment.TRAILING, gl_panel.createSequentialGroup()
+							.addComponent(btnNewButton)
+							.addGap(294))))
+				.addGroup(Alignment.LEADING, gl_panel.createSequentialGroup()
+					.addGap(350)
+					.addComponent(labelDocCustomProperties, GroupLayout.DEFAULT_SIZE, 233, Short.MAX_VALUE)
+					.addGap(381))
+				.addGroup(Alignment.LEADING, gl_panel.createSequentialGroup()
 					.addContainerGap()
 					.addComponent(tableDocCustomProps, GroupLayout.DEFAULT_SIZE, 940, Short.MAX_VALUE)
 					.addContainerGap())
-				.addGroup(gl_panel.createSequentialGroup()
-					.addContainerGap()
-					.addComponent(tableDocProps, GroupLayout.DEFAULT_SIZE, 940, Short.MAX_VALUE)
-					.addContainerGap())
 		);
 		gl_panel.setVerticalGroup(
 			gl_panel.createParallelGroup(Alignment.LEADING)
 				.addGroup(gl_panel.createSequentialGroup()
-					.addGap(86)
+					.addGap(53)
+					.addComponent(labelDocProperties)
+					.addGap(18)
 					.addComponent(tableDocProps, GroupLayout.PREFERRED_SIZE, 81, GroupLayout.PREFERRED_SIZE)
 					.addPreferredGap(ComponentPlacement.UNRELATED)
-					.addComponent(tableDocCustomProps, GroupLayout.DEFAULT_SIZE, 368, Short.MAX_VALUE)
+					.addComponent(labelDocCustomProperties, GroupLayout.PREFERRED_SIZE, 15, GroupLayout.PREFERRED_SIZE)
-					.addGap(81)
+					.addGap(18)
+					.addComponent(tableDocCustomProps, GroupLayout.PREFERRED_SIZE, 322, GroupLayout.PREFERRED_SIZE)
+					.addPreferredGap(ComponentPlacement.RELATED, 90, Short.MAX_VALUE)
 					.addComponent(btnNewButton)
-					.addGap(27))
+					.addGap(31))
 		);
 		
 		JPopupMenu popupMenu = new JPopupMenu();
@@ -241,9 +260,6 @@ public class EditorGUI extends JFrame {
 		
 		JMenu mnFile = new JMenu("Файл");
 		menuBar.add(mnFile);
-		
-		JMenu mnEdit = new JMenu("Edit");
-		menuBar.add(mnEdit);
 	}
 
 	private void createDocPropsModel() {