/** * Loads child views by tracking child elements of the element * this view was created for. * @param index index at which the views should be added/replaced. * @param removeLength number of removed children views. It is useful * when rebuilding children for a portion of the view. * @param elementIndex index of the first child element for which * the view should be created * @param elementCount number of elements for which the views should be created. */ protected void elementReloadChildren(int index, int removeLength, int elementCount) { Element e = getElement(); View[] added = null; ViewFactory f = getViewFactory(); // Null view factory can mean that one of the grand parents is already disconnected // from the view hierarchy. No added children for null factory. if (f != null) { added = new View[elementCount]; for (int i = 0; i < elementCount; i++) { added[i] = f.create(e.getElement(index + i)); } } replace(index, removeLength, added); }
private void handleDocumentEvent(DocumentEvent e, Shape a, ViewFactory f) { int n = calculateLineCount(); if (this.nlines != n) { this.nlines = n; WrappedSyntaxView.this.preferenceChanged(this, false, true); // have to repaint any views after the receiver. RSyntaxTextArea textArea = (RSyntaxTextArea)getContainer(); textArea.repaint(); // Must also revalidate container so gutter components, such // as line numbers, get updated for this line's new height Gutter gutter = RSyntaxUtilities.getGutter(textArea); if (gutter!=null) { gutter.revalidate(); gutter.repaint(); } } else if (a != null) { Component c = getContainer(); Rectangle alloc = (Rectangle) a; c.repaint(alloc.x, alloc.y, alloc.width, alloc.height); } }
protected JComponent createAgreementPanel() { String html = HTMLUtils.createStyledHTMLFromFragment( SoftwareAgreement.getInstance().getContent() ); HTMLEditorPane htmlEditorPane = new HTMLUtils.InteractiveHTMLPane( html ); final HTMLEditorKit.HTMLFactory htmlFactory = new HTMLFactoryWithImages(); htmlEditorPane.setEditorKit( new HTMLEditorKit() { public ViewFactory getViewFactory() { return htmlFactory; } } ); htmlEditorPane.setText( html ); htmlEditorPane.setBackground( Color.WHITE ); JScrollPane scrollPane = new JScrollPane( htmlEditorPane ); scrollPane.setPreferredSize( new Dimension( scrollPane.getPreferredSize().width + 30, 300 ) ); // this ensures that the first line of text is at the top of the scrollpane htmlEditorPane.setCaretPosition( 0 ); return scrollPane; }
/** * Indicates that the model of a text component has changed. This * triggers a rebuild of the view hierarchy. */ protected void modelChanged() { if (textComponent == null || rootView == null) return; ViewFactory factory = rootView.getViewFactory(); if (factory == null) return; Document doc = textComponent.getDocument(); if (doc == null) return; Element elem = doc.getDefaultRootElement(); if (elem == null) return; View view = factory.create(elem); setView(view); }
public void changedUpdate(DocumentEvent e, Shape a, ViewFactory f) { super.changedUpdate(e, a, f); float align = getVerticalAlignment(); int h = height; int w = width; initialize(getElement()); boolean hChanged = (height != h); boolean wChanged = (width != w); if(hChanged || wChanged || getVerticalAlignment() != align) { getParent().preferenceChanged(this, hChanged, wChanged); } }
public static View createView(JXLabel c) { BasicEditorKit kit = getFactory(); float rightIndent = 0; if (c.getIcon() != null && c.getHorizontalTextPosition() != SwingConstants.CENTER) { rightIndent = c.getIcon().getIconWidth() + c.getIconTextGap(); } Document doc = kit.createDefaultDocument(c.getFont(), c.getForeground(), c.getTextAlignment(), rightIndent); Reader r = new StringReader(c.getText() == null ? "" : c.getText()); try { kit.read(r, doc, 0); } catch (Throwable e) { } ViewFactory f = kit.getViewFactory(); View hview = f.create(doc.getDefaultRootElement()); View v = new Renderer(c, f, hview, true); return v; }
Renderer(JXLabel c, ViewFactory f, View v, boolean wordWrap) { super(null, wordWrap); factory = f; view = v; view.setParent(this); host = c; //log.fine("vir: " + host.getVisibleRect()); int w; if (host.getVisibleRect().width == 0) { invalidated = true; return; } else { w = host.getVisibleRect().width; } //log.fine("w:" + w); // initially layout to the preferred size //setSize(c.getMaxLineSpan() > -1 ? c.getMaxLineSpan() : view.getPreferredSpan(X_AXIS), view.getPreferredSpan(Y_AXIS)); setSize(c.getMaxLineSpan() > -1 ? c.getMaxLineSpan() : w, host.getVisibleRect().height); }
/** * Create an html renderer for the given component and * string of html. */ public static View createHTMLView(JComponent c, String html) { BasicEditorKit kit = getFactory(); Document doc = kit.createDefaultDocument(c.getFont(), c.getForeground()); Object base = c.getClientProperty(documentBaseKey); if (base instanceof URL) { ((HTMLDocument)doc).setBase((URL)base); } Reader r = new StringReader(html); try { kit.read(r, doc, 0); } catch (Throwable e) { } ViewFactory f = kit.getViewFactory(); View hview = f.create(doc.getDefaultRootElement()); View v = new Renderer(c, f, hview); return v; }
/** * Get View from HTML String * @param html html string * @return renderer view */ public static HTMLRenderer get (String html) { HTMLEditorKit kit = new HTMLEditorKit(); HTMLDocument doc = (HTMLDocument)kit.createDefaultDocument(); try { doc.remove(0, doc.getLength()); Reader r = new StringReader(html); kit.read(r, doc, 0); } catch (Exception e) { log.error("", e); } // Create Renderer Element element = doc.getDefaultRootElement(); ViewFactory factory = kit.getViewFactory(); View view = factory.create(element); // Y_AXIS is main HTMLRenderer renderer = new HTMLRenderer (factory, view); renderer.preferenceChanged (null, true, true); return renderer; }
/** * Sets the view parent. * * @param parent * the parent view */ @Override public void setParent(View parent) { if (parent == null && view != null) view.setParent(null); this.parent = parent; // if set new parent and has some element, try to load children // this element is a BranchElement ("collection"), // so we should have some LeafElements ("children") if ((parent != null) && (getElement() != null)) { ViewFactory f = getViewFactory(); loadChildren(f); } }
@Override protected void forwardUpdate(DocumentEvent.ElementChange ec, DocumentEvent e, Shape a, ViewFactory f) { boolean wasValid = isLayoutValid(majorAxis); super.forwardUpdate(ec, e, a, f); // determine if a repaint is needed if (wasValid && (!isLayoutValid(majorAxis))) { // Repaint is needed because one of the tiled children // have changed their span along the major axis. If there // is a hosting component and an allocated shape we repaint. Component c = getContainer(); if ((a != null) && (c != null)) { Rectangle alloc = getInsideAllocation(a); c.repaint(alloc.x, alloc.y, alloc.width, alloc.height); } } }
/** * Renders current content to given graphic context, which is updated and * returned. Context must have set the clip, otherwise NullPointerException * is throwen. * * @param g * the context to be rendered to. * @return the Graphics2D context * @see Graphics2D */ public Graphics2D renderContent(Graphics2D g) { if (g.getClip() == null) throw new NullPointerException( "Clip is not set on graphics context"); ViewFactory factory = getEditorKit().getViewFactory(); if (factory instanceof SwingBoxViewFactory) { View view = ((SwingBoxViewFactory) factory).getViewport(); if (view != null) view.paint(g, g.getClip()); } return g; }
protected void setUp() throws Exception { super.setUp(); setIgnoreNotImplemented(true); kit = new HTMLEditorKit(); doc = (HTMLDocument)kit.createDefaultDocument(); StringReader reader = new StringReader("<html><head></head><body>" + "<p><small>one long</small>Word" + "<p>very LongWord" + "</body></html>"); kit.read(reader, doc, 0); metrics = getFontMetrics(null, CHAR_WIDTH); factory = new ViewFactory() { public View create(final Element element) { InlineView result = new InlineView(element) { protected FontMetrics getFontMetrics() { return metrics; } }; result.setGlyphPainter(BlockViewTest.InlineViewFactory.painter); return result; } }; }
public void testCalculateMinorAxisRequirements04() throws Exception { factory = new ViewFactory() { public View create(Element element) { PlainView result = new PlainView(element) { public float getPreferredSpan(int axis) { if (axis == X_AXIS) { return CHAR_WIDTH * (getEndOffset() - getStartOffset()); } return super.getPreferredSpan(axis); } }; return result; } }; view = new ParagraphViewImpl(doc.getParagraphElement(10), factory); SizeRequirements sr = view.calculateMinorAxisRequirements(View.X_AXIS, null); assertEquals(8 * CHAR_WIDTH, sr.minimum); assertEquals(13 * CHAR_WIDTH, sr.preferred); assertEquals(Integer.MAX_VALUE, sr.maximum); }
/** * Renders current content to given graphic context, which is updated and * returned. Context must have set the clip, otherwise NullPointerException * is thrown. * * @param g * the context to be rendered to. * @return the Graphics2D context * @see Graphics2D */ public Graphics2D renderContent(Graphics2D g) { if (g.getClip() == null) throw new NullPointerException( "Clip is not set on graphics context"); ViewFactory factory = getEditorKit().getViewFactory(); if (factory instanceof SwingBoxViewFactory) { View view = ((SwingBoxViewFactory) factory).getViewport(); if (view != null) view.paint(g, g.getClip()); } return g; }
/** My attributes may have changed. */ public void changedUpdate(DocumentEvent e, Shape a, ViewFactory f) { super.changedUpdate(e, a, f); float align = getVerticalAlignment(); int height = fHeight; int width = fWidth; initialize(getElement()); boolean hChanged = fHeight != height; boolean wChanged = fWidth != width; if(hChanged || wChanged || getVerticalAlignment() != align) { getParent().preferenceChanged(this, hChanged, wChanged); } }
/** * The table itself acts as a factory for the various views that actually * represent pieces of the table. All other factory activity is delegated to * the factory returned by the parent of the table. */ public View create(Element elem) { Object o = elem.getAttributes().getAttribute( StyleConstants.NameAttribute); if (o instanceof HTML.Tag) { HTML.Tag kind = (HTML.Tag) o; if (kind == HTML.Tag.TR) { return createTableRow(elem); } else if ((kind == HTML.Tag.TD) || (kind == HTML.Tag.TH)) { return new CellView(elem); } else if (kind == HTML.Tag.CAPTION) { return new javax.swing.text.html.ParagraphView(elem); } } // default is to delegate to the normal factory View p = getParent(); if (p != null) { ViewFactory f = p.getViewFactory(); if (f != null) { return f.create(elem); } } return null; }
protected @Override View createCustomView(ViewFactory f, int startOffset, int maxEndOffset, int elementIndex) { if (elementIndex == -1) { throw new IllegalStateException("Need underlying line element structure"); // NOI18N } View view = null; Element elem = getElement(); Element lineElem = elem.getElement(elementIndex); view = f.create(lineElem); return view; }
protected @Override void reloadChildren(int index, int removeLength, int startOffset, int endOffset) { // TODO uncomment assert (index == 0 && removeLength == 0 // && startOffset == getStartOffset() && endOffset == getEndOffset()); // Rebuild all the present child views completely index = 0; removeLength = getViewCount(); Element lineElem = getElement(); // starting line element View[] added = null; ViewFactory f = getViewFactory(); if (f != null) { int lineElemEndOffset = lineElem.getEndOffset(); // Ending offset of the previously created view - here start with // begining of the first line int lastViewEndOffset = lineElem.getStartOffset(); List childViews = new ArrayList(); // Append ending fragment if necessary // asserted non-empty list => foldEndOffset populated if (lastViewEndOffset < lineElemEndOffset) { // need ending fragment View lineView = f.create(lineElem); View endingFrag = lineView.createFragment(lastViewEndOffset, lineElemEndOffset); childViews.add(endingFrag); // lastViewEndOffset = lineElemEndOffset; <- can be ignored here } added = new View[childViews.size()]; childViews.toArray(added); } replace(index, removeLength, added); }
public @Override void insertUpdate(DocumentEvent evt, Shape a, ViewFactory f) { // #38993 - until parent is set - do not do anything if (children == null && getParent() == null) { return; } if (useCustomReloadChildren()) { customInsertUpdate(evt, a, f); } else { // custom insert update super.insertUpdate(evt, a, f); // default element-based update } }
protected void customInsertUpdate(DocumentEvent evt, Shape a, ViewFactory f) { int[] offsetRange = getInsertUpdateRebuildOffsetRange(evt); if (offsetRange != null) { offsetRebuild(offsetRange[0], offsetRange[1]); } else { forwardUpdate(null, evt, a, f); } }
public @Override void removeUpdate(DocumentEvent evt, Shape a, ViewFactory f) { // #38993 - until parent is set - do not do anything if (children == null && getParent() == null) { return; } if (useCustomReloadChildren()) { customRemoveUpdate(evt, a, f); } else { super.removeUpdate(evt, a, f); // default element-based update } }
protected void customRemoveUpdate(DocumentEvent evt, Shape a, ViewFactory f) { int[] offsetRange = getRemoveUpdateRebuildOffsetRange(evt); if (offsetRange != null) { offsetRebuild(offsetRange[0], offsetRange[1]); } else { forwardUpdate(null, evt, a, f); } }
public @Override void changedUpdate(DocumentEvent e, Shape a, ViewFactory f) { // #38993 - until parent is set - do not do anything if (children == null && getParent() == null) { return; } super.changedUpdate(e, a, f); }
/** * Create custom child view starting at <code>startOffset</code>. * * @param f view factory to be used. * @param startOffset offset at which the created view must start. * @param maxEndOffset maximum ending offset to which the created view * may span. * @param elementIndex index of the child element that best represents * the startOffset. The element is child of the element that this view * is responsible for. If this view is not based by element then this * parameter will be -1. */ protected View createCustomView(ViewFactory f, int startOffset, int maxEndOffset, int elementIndex) { /* // Default implementation delegating to view factory // is here just to show the possible functionality // and clarify the variables View v; if (parentElement != null) { Element elem = parentElement.getElement(elementIndex); if (elem.getStartOffset() != startOffset) { throw new IllegalStateException("Not element boundary"); } if (elem.getEndOffset() > maxEndOffset) { throw new IllegalStateException("Beyond maximum ending offset"); } v = f.create(elem); } else { // no element - need more information return null; } */ return null; }
public void insertUpdate(DocumentEvent evt, Shape a, ViewFactory f) { layoutLockDepth++; try { pendingUpdate = false; // Reset before so that child view do not estimate super.insertUpdate(evt, a, f); } finally { updateLayout(); checkPendingDamageRange(); layoutLockDepth--; } }
public void removeUpdate(DocumentEvent evt, Shape a, ViewFactory f) { layoutLockDepth++; try { pendingUpdate = false; // Reset before so that child view do not estimate super.removeUpdate(evt, a, f); } finally { updateLayout(); checkPendingDamageRange(); layoutLockDepth--; } }
public void changedUpdate(DocumentEvent e, Shape a, ViewFactory f) { layoutLockDepth++; try { // Do not check pendingUpdate since changedUpdate() is likely invoked by BaseDocument.repaintBlock() super.changedUpdate(e, a, f); } finally { updateLayout(); layoutLockDepth--; } }
public void insertUpdate(DocumentEvent e, Shape a, ViewFactory f) { lock(); try { if (view != null) { view.insertUpdate(e, a, f); } } finally { unlock(); } }
