X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fpdf%2FPDFTocElement.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fpdf%2FPDFTocElement.java;h=cd92ffb06a9a92e7b9e6f58e22f1e8c9ffd6ce9e;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFTocElement.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFTocElement.java
new file mode 100644
index 000000000..cd92ffb06
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFTocElement.java
@@ -0,0 +1,88 @@
+package org.simantics.document.linking.report.pdf;
+
+import java.awt.Font;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.simantics.document.linking.report.DocumentElement;
+import org.simantics.document.linking.report.TableOfContents;
+import org.simantics.document.linking.report.Document.TextSize;
+import org.simantics.document.linking.report.TableColumn.Alignment;
+import org.simantics.utils.datastructures.Pair;
+
+
+public class PDFTocElement implements TableOfContents {
+	
+	PDFDocument writer;
+	PDFPageStream stream;
+	
+	Font itemFont;
+	Font titleFont;
+	
+	int linesPerPage;
+	int linesOnFirstPage;
+	
+	PDFTable tocTable;
+	
+	public PDFTocElement(PDFDocument writer) throws Exception{
+		this.writer = writer;
+		stream = new PDFPageStream();
+		itemFont = writer.getFont(TextSize.SMALL);
+		titleFont = writer.getFont(TextSize.LARGE);
+		stream.setDefaultFont(itemFont);
+		
+		stream.nextPage();
+		tocTable= new PDFTable(writer, stream);
+		linesPerPage = tocTable.getAvailableLines();
+		//linesPerPage = stream.getAvailableLines();
+		PDFPage page = stream.getCurrentPage();
+		page.setFont(titleFont);
+		page.writeLine("Table of Contents");
+		page.setFont(itemFont);
+		page.writeLine("");
+		linesOnFirstPage = tocTable.getAvailableLines();
+		//linesOnFirstPage = page.availableLines;
+	}
+	private List<Pair<String, PDFElement>> toc = new ArrayList<Pair<String,PDFElement>>();
+	@Override
+	public void addTocElement(String label, DocumentElement element) {
+		toc.add(new Pair<String, PDFElement>(label, (PDFElement)element));
+	}
+	
+	public void create(PDFPageStream destStream, PDFPage after) throws Exception {
+		int tocPages = getEstimatedPages();
+
+		List<PDFPage> pages = destStream.getPages();
+		int tocIndex = pages.indexOf(after)+1;
+		
+		tocTable.addColumn("Document", 0.9);
+		tocTable.addColumn("Page", 0.1).setAlignment(Alignment.RIGHT);
+		tocTable.setHeaderVisible(false);
+		tocTable.setLinesVisible(false);
+		for (Pair<String, PDFElement> item : toc) {
+			int pageIndex = pages.indexOf(item.second.getPage());
+			if (pageIndex >= 0) {
+				pageIndex += tocPages + 1;
+			}
+			tocTable.writeRow(item.first, Integer.toString(pageIndex));
+//			stream.getCurrentPage().writeLine( + "  " + pageIndex);
+		}
+		
+		pages.addAll(tocIndex, stream.getPages());
+		stream = null;
+	}
+	
+	
+	
+	public int getEstimatedPages() {
+		int pages = 1;
+		int items = toc.size();
+		items -= linesOnFirstPage;
+		while (items > 0) {
+			items-= linesPerPage;
+			pages++;
+		}
+		return pages;
+	}
+
+}