import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeSupport;
+
import javax.swing.*;
import jalview.datamodel.*;
*/
public class FeatureRenderer
{
+ AlignmentPanel ap;
AlignViewport av;
Color resBoxColour;
float transparency = 1.0f;
// A higher level for grouping features of a
// particular type
- Hashtable featureGroups = null;
+ Hashtable featureGroups = new Hashtable();
// This is actually an Integer held in the hashtable,
// Retrieved using the key feature type
Object currentColour;
String[] renderOrder;
+ PropertyChangeSupport changeSupport=new PropertyChangeSupport(this);
+
+ Vector allfeatures;
/**
* Creates a new FeatureRenderer object.
*
- * @param av DOCUMENT ME!
+ * @param av
+ * DOCUMENT ME!
*/
- public FeatureRenderer(AlignViewport av)
+ public FeatureRenderer(AlignmentPanel ap)
{
- this.av = av;
+ this.ap = ap;
+ this.av = ap.av;
}
+ public class FeatureRendererSettings implements Cloneable {
+ String[] renderOrder;
+ Hashtable featureGroups;
+ Hashtable featureColours;
+ float transparency;
+ Hashtable featureOrder;
+ public FeatureRendererSettings(String[] renderOrder,
+ Hashtable featureGroups, Hashtable featureColours,
+ float transparency, Hashtable featureOrder)
+ {
+ super();
+ this.renderOrder = renderOrder;
+ this.featureGroups = featureGroups;
+ this.featureColours = featureColours;
+ this.transparency = transparency;
+ this.featureOrder = featureOrder;
+ }
+ public FeatureRendererSettings(FeatureRenderer fr)
+ {
+ this.renderOrder = fr.renderOrder;
+ this.featureGroups = fr.featureGroups;
+ this.featureColours = fr.featureColours;
+ this.transparency = fr.transparency;
+ this.featureOrder = fr.featureOrder;
+ }
+ }
+ public FeatureRendererSettings getSettings()
+ {
+ return new FeatureRendererSettings(this);
+ }
+ public void transferSettings(FeatureRendererSettings fr)
+ {
+ this.renderOrder = fr.renderOrder;
+ this.featureGroups = fr.featureGroups;
+ this.featureColours = fr.featureColours;
+ this.transparency = fr.transparency;
+ this.featureOrder = fr.featureOrder;
+ }
public void transferSettings(FeatureRenderer fr)
{
- renderOrder = fr.renderOrder;
- featureGroups = fr.featureGroups;
- featureColours = fr.featureColours;
- transparency = fr.transparency;
+ this.renderOrder = fr.renderOrder;
+ this.featureGroups = fr.featureGroups;
+ this.featureColours = fr.featureColours;
+ this.transparency = fr.transparency;
+ this.featureOrder = fr.featureOrder;
}
BufferedImage offscreenImage;
}
/**
- * This is used by the Molecule Viewer and Overview to
- * get the accurate colourof the rendered sequence
+ * This is used by the Molecule Viewer and Overview to get the accurate
+ * colourof the rendered sequence
*/
public int findFeatureColour(int initialCol, SequenceI seq, int column)
{
{
lastSeq = seq;
sequenceFeatures = lastSeq.getDatasetSequence().getSequenceFeatures();
- if (sequenceFeatures == null)
+ if (sequenceFeatures!=null)
{
- return initialCol;
+ sfSize = sequenceFeatures.length;
}
+ }
- sfSize = sequenceFeatures.length;
+ if (sequenceFeatures!=lastSeq.getDatasetSequence().getSequenceFeatures()) {
+ sequenceFeatures = lastSeq.getDatasetSequence().getSequenceFeatures();
+ if (sequenceFeatures != null)
+ {
+ sfSize = sequenceFeatures.length;
+ }
+ }
+
+ if (sequenceFeatures == null || sfSize==0)
+ {
+ return initialCol;
}
+
if (jalview.util.Comparison.isGap(lastSeq.getCharAt(column)))
{
return Color.white.getRGB();
}
- //Only bother making an offscreen image if transparency is applied
+ // Only bother making an offscreen image if transparency is applied
if (transparency != 1.0f && offscreenImage == null)
{
offscreenImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
/**
* DOCUMENT ME!
*
- * @param g DOCUMENT ME!
- * @param seq DOCUMENT ME!
- * @param sg DOCUMENT ME!
- * @param start DOCUMENT ME!
- * @param end DOCUMENT ME!
- * @param x1 DOCUMENT ME!
- * @param y1 DOCUMENT ME!
- * @param width DOCUMENT ME!
- * @param height DOCUMENT ME!
+ * @param g
+ * DOCUMENT ME!
+ * @param seq
+ * DOCUMENT ME!
+ * @param sg
+ * DOCUMENT ME!
+ * @param start
+ * DOCUMENT ME!
+ * @param end
+ * DOCUMENT ME!
+ * @param x1
+ * DOCUMENT ME!
+ * @param y1
+ * DOCUMENT ME!
+ * @param width
+ * DOCUMENT ME!
+ * @param height
+ * DOCUMENT ME!
*/
// String type;
// SequenceFeature sf;
SequenceFeature[] sequenceFeatures;
int sfSize, sfindex, spos, epos;
- public void drawSequence(Graphics g, SequenceI seq,
+ synchronized public void drawSequence(Graphics g, SequenceI seq,
int start, int end, int y1)
{
+
if (seq.getDatasetSequence().getSequenceFeatures() == null
|| seq.getDatasetSequence().getSequenceFeatures().length == 0)
{
}
sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();
- sfSize = sequenceFeatures.length;
}
- if (lastSeq == null || seq != lastSeq)
+ if (lastSeq == null || seq != lastSeq
+ || seq.getDatasetSequence().getSequenceFeatures()!=sequenceFeatures)
{
lastSeq = seq;
sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();
- sfSize = sequenceFeatures.length;
}
if (transparency != 1 && g != null)
epos = lastSeq.findPosition(end);
}
+ sfSize = sequenceFeatures.length;
String type;
for (int renderIndex = 0; renderIndex < renderOrder.length; renderIndex++)
{
// current feature to render
for (sfindex = 0; sfindex < sfSize; sfindex++)
{
- if (sequenceFeatures.length <= sfindex)
- {
- continue;
- }
if (!sequenceFeatures[sfindex].type.equals(type))
{
continue;
if (featureGroups != null
&& sequenceFeatures[sfindex].featureGroup != null
&&
- featureGroups.containsKey(sequenceFeatures[sfindex].featureGroup)
+ sequenceFeatures[sfindex].featureGroup.length()!=0
+ && featureGroups.containsKey(sequenceFeatures[sfindex].featureGroup)
&&
! ( (Boolean) featureGroups.get(sequenceFeatures[sfindex].
featureGroup)).
}
boolean newFeatureAdded = false;
-
+ /**
+ * Called when alignment in associated view has new/modified features
+ * to discover and display.
+ *
+ */
public void featuresAdded()
{
lastSeq=null;
}
boolean findingFeatures = false;
- synchronized void findAllFeatures()
+ /**
+ * search the alignment for all new features, give them a colour and display
+ * them. Then fires a PropertyChangeEvent on the changeSupport object.
+ *
+ */
+ void findAllFeatures()
{
+ synchronized (firing)
+ {
+ if (firing.equals(Boolean.FALSE)) {
+ firing=Boolean.TRUE;
+ findAllFeatures(true); // add all new features as visible
+ changeSupport.firePropertyChange("changeSupport",null,null);
+ firing=Boolean.FALSE;
+ }
+ }
+ }
+ /**
+ * Searches alignment for all features and updates colours
+ *
+ * @param newMadeVisible
+ * if true newly added feature types will be rendered immediatly
+ */
+ synchronized void findAllFeatures(boolean newMadeVisible) {
newFeatureAdded = false;
if (findingFeatures)
}
findingFeatures = true;
- jalview.schemes.UserColourScheme ucs = new
- jalview.schemes.UserColourScheme();
if (av.featuresDisplayed == null)
{
av.featuresDisplayed = new Hashtable();
}
- av.featuresDisplayed.clear();
-
- Vector allfeatures = new Vector();
+ allfeatures = new Vector();
+ Vector oldfeatures = new Vector();
+ if (renderOrder!=null)
+ {
+ for (int i=0; i<renderOrder.length; i++) {
+ if (renderOrder[i]!=null)
+ {
+ oldfeatures.addElement(renderOrder[i]);
+ }
+ }
+ }
for (int i = 0; i < av.alignment.getHeight(); i++)
{
SequenceFeature[] features
{
if (!av.featuresDisplayed.containsKey(features[index].getType()))
{
- if (! (features[index].begin == 0 && features[index].end == 0))
+
+ if(featureGroups.containsKey(features[index].getType()))
{
- // If beginning and end are 0, the feature is for the whole sequence
- // and we don't want to render the feature in the normal way
+ boolean visible = ( (Boolean) featureGroups.get(
+ features[index].featureGroup)).booleanValue();
- if (getColour(features[index].getType()) == null)
+ if(!visible)
{
- featureColours.put(features[index].getType(),
- ucs.createColourFromName(features[index].
- getType()));
+ index++;
+ continue;
}
+ }
- av.featuresDisplayed.put(features[index].getType(),
+
+ if (! (features[index].begin == 0 && features[index].end == 0))
+ {
+ // If beginning and end are 0, the feature is for the whole sequence
+ // and we don't want to render the feature in the normal way
+
+ if (newMadeVisible && !oldfeatures.contains(features[index].getType())) {
+ // this is a new feature type on the alignment. Mark it for
+ // display.
+ av.featuresDisplayed.put(features[index].getType(),
new Integer(getColour(features[index].
getType()).getRGB()));
- allfeatures.addElement(features[index].getType());
- }
+ setOrder(features[index].getType(),0);
+ }
+ }
+ }
+ if (!allfeatures.contains(features[index].getType()))
+ {
+ allfeatures.addElement(features[index].getType());
}
index++;
}
}
-
+ updateRenderOrder(allfeatures);
+ findingFeatures = false;
+ }
+ protected Boolean firing=Boolean.FALSE;
+ /**
+ * replaces the current renderOrder with the unordered features in allfeatures.
+ * The ordering of any types in both renderOrder and allfeatures is preserved,
+ * and all new feature types are rendered on top of the existing types, in
+ * the order given by getOrder or the order given in allFeatures.
+ * Note. this operates directly on the featureOrder hash for efficiency. TODO:
+ * eliminate the float storage for computing/recalling the persistent ordering
+ *
+ * @param allFeatures
+ */
+ private void updateRenderOrder(Vector allFeatures) {
+ Vector allfeatures = new Vector(allFeatures);
+ String[] oldRender = renderOrder;
renderOrder = new String[allfeatures.size()];
+ boolean initOrders=(featureOrder==null);
+ int opos=0;
+ if (oldRender!=null && oldRender.length>0)
+ {
+ for (int j=0; j<oldRender.length; j++)
+ {
+ if (oldRender[j]!=null)
+ {
+ if (initOrders)
+ {
+ setOrder(oldRender[j], (1-(1+(float)j)/(float) oldRender.length));
+ }
+ if (allfeatures.contains(oldRender[j])) {
+ renderOrder[opos++] = oldRender[j]; // existing features always
+ // appear below new features
+ allfeatures.removeElement(oldRender[j]);
+ }
+ }
+ }
+ }
+ if (allfeatures.size()==0) {
+ // no new features - leave order unchanged.
+ return;
+ }
+ int i=allfeatures.size()-1;
+ int iSize=i;
+ boolean sort=false;
+ String[] newf = new String[allfeatures.size()];
+ float[] sortOrder = new float[allfeatures.size()];
Enumeration en = allfeatures.elements();
- int i = allfeatures.size() - 1;
+ // sort remaining elements
while (en.hasMoreElements())
{
- renderOrder[i] = en.nextElement().toString();
+ newf[i] = en.nextElement().toString();
+ if (initOrders || !featureOrder.containsKey(newf[i]))
+ {
+ int denom = initOrders ? allfeatures.size() : featureOrder.size();
+ // new unordered feature - compute persistent ordering at head of
+ // existing features.
+ setOrder(newf[i], i/(float) denom);
+ }
+ // set order from newly found feature from persisted ordering.
+ sortOrder[i] = 2-((Float) featureOrder.get(newf[i])).floatValue();
+ if (i<iSize)
+ {
+ // only sort if we need to
+ sort = sort || sortOrder[i]>sortOrder[i+1];
+ }
i--;
}
-
- findingFeatures = false;
+ if (iSize>1 && sort)
+ jalview.util.QuickSort.sort(sortOrder, newf);
+ sortOrder=null;
+ System.arraycopy(newf, 0, renderOrder, opos, newf.length);
}
-
public Color getColour(String featureType)
{
- Color colour = (Color) featureColours.get(featureType);
- return colour;
+ if (!featureColours.containsKey(featureType))
+ {
+ jalview.schemes.UserColourScheme ucs = new
+ jalview.schemes.UserColourScheme();
+ Color col = ucs.createColourFromName(featureType);
+ featureColours.put(featureType, col);
+ return col;
+ }
+ else
+ return (Color) featureColours.get(featureType);
}
static String lastFeatureAdded;
static String lastFeatureGroupAdded;
static String lastDescriptionAdded;
- public boolean createNewFeatures(SequenceI[] sequences,
- SequenceFeature[] features)
- {
- return amendFeatures(sequences, features, true, null);
- }
-
int featureIndex = 0;
boolean amendFeatures(final SequenceI[] sequences,
final SequenceFeature[] features,
boolean newFeatures,
final AlignmentPanel ap)
{
+
+ featureIndex = 0;
+
JPanel bigPanel = new JPanel(new BorderLayout());
- final JComboBox name = new JComboBox();
- final JComboBox source = new JComboBox();
+ final JComboBox overlaps;
+ final JTextField name = new JTextField(25);
+ final JTextField source = new JTextField(25);
final JTextArea description = new JTextArea(3, 25);
final JSpinner start = new JSpinner();
final JSpinner end = new JSpinner();
start.setPreferredSize(new Dimension(80, 20));
end.setPreferredSize(new Dimension(80, 20));
+
final JPanel colour = new JPanel();
colour.setBorder(BorderFactory.createEtchedBorder());
colour.setMaximumSize(new Dimension(40, 10));
{
public void mousePressed(MouseEvent evt)
{
- colour.setBackground(
- JColorChooser.showDialog(Desktop.desktop,
- "Select Feature Colour",
- colour.getBackground()));
+ Color col = JColorChooser.showDialog(Desktop.desktop,
+ "Select Feature Colour",
+ colour.getBackground());
+ if (col != null)
+ colour.setBackground(col);
+
}
});
- JPanel panel = new JPanel(new GridLayout(3, 2));
- panel.add(new JLabel("Sequence Feature Name: ", JLabel.RIGHT));
- panel.add(name);
- panel.add(new JLabel("Feature Group: ", JLabel.RIGHT));
- panel.add(source);
- panel.add(new JLabel("Feature Colour: ", JLabel.RIGHT));
JPanel tmp = new JPanel();
+ JPanel panel = new JPanel(new GridLayout(3, 1));
+
+ ///////////////////////////////////////
+ ///MULTIPLE FEATURES AT SELECTED RESIDUE
+ if(!newFeatures && features.length>1)
+ {
+ panel = new JPanel(new GridLayout(4, 1));
+ tmp = new JPanel();
+ tmp.add(new JLabel("Select Feature: "));
+ overlaps = new JComboBox();
+ for(int i=0; i<features.length; i++)
+ {
+ overlaps.addItem(features[i].getType()
+ +"/"+features[i].getBegin()+"-"+features[i].getEnd()
+ +" ("+features[i].getFeatureGroup()+")");
+ }
+
+ tmp.add(overlaps);
+
+ overlaps.addItemListener(new ItemListener()
+ {
+ public void itemStateChanged(ItemEvent e)
+ {
+ int index = overlaps.getSelectedIndex();
+ if (index != -1)
+ {
+ featureIndex = index;
+ name.setText(features[index].getType());
+ description.setText(features[index].getDescription());
+ source.setText(features[index].getFeatureGroup());
+ start.setValue(new Integer(features[index].getBegin()));
+ end.setValue(new Integer(features[index].getEnd()));
+
+ SearchResults highlight = new SearchResults();
+ highlight.addResult(sequences[0],
+ features[index].getBegin(),
+ features[index].getEnd());
+
+ ap.seqPanel.seqCanvas.highlightSearchResults(highlight);
+
+ }
+ Color col = getColour(name.getText());
+ if (col == null)
+ {
+ col = new
+ jalview.schemes.UserColourScheme()
+ .createColourFromName(name.getText());
+ }
+
+ colour.setBackground(col);
+ }
+ });
+
+
+ panel.add(tmp);
+ }
+ //////////
+ //////////////////////////////////////
+
+ tmp = new JPanel();
+ panel.add(tmp);
+ tmp.add(new JLabel("Name: ", JLabel.RIGHT));
+ tmp.add(name);
+
+ tmp = new JPanel();
+ panel.add(tmp);
+ tmp.add(new JLabel("Group: ", JLabel.RIGHT));
+ tmp.add(source);
+
+ tmp = new JPanel();
+ panel.add(tmp);
+ tmp.add(new JLabel("Colour: ", JLabel.RIGHT));
tmp.add(colour);
colour.setPreferredSize(new Dimension(150, 15));
- panel.add(tmp);
- name.setEditable(true);
- source.setEditable(true);
bigPanel.add(panel, BorderLayout.NORTH);
+
panel = new JPanel();
panel.add(new JLabel("Description: ", JLabel.RIGHT));
description.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));
}
else
{
- lastFeatureAdded = "Jalview";
+ lastFeatureGroupAdded = "Jalview";
}
}
- Enumeration en;
- if (featureGroups != null)
+ if(newFeatures)
{
- en = featureGroups.keys();
- while (en.hasMoreElements())
- {
- source.addItem(en.nextElement().toString());
- }
+ name.setText(lastFeatureAdded);
+ source.setText(lastFeatureGroupAdded);
}
-
- if (newFeatures)
+ else
{
- if (av.featuresDisplayed != null)
- {
- en = av.featuresDisplayed.keys();
- while (en.hasMoreElements())
- {
- name.addItem(en.nextElement().toString());
- }
- }
-
- name.setSelectedItem(lastFeatureAdded);
- source.setSelectedItem(lastFeatureGroupAdded);
- description.setText(
- lastDescriptionAdded == null ?
- features[0].description : lastDescriptionAdded);
-
- if (getColour(lastFeatureAdded) != null)
- {
- colour.setBackground(getColour(lastFeatureAdded));
- }
- else
- {
- colour.setBackground(new Color(60, 160, 115));
- }
-
+ name.setText(features[0].getType());
+ source.setText(features[0].getFeatureGroup());
}
- else if (!newFeatures)
- {
- featureIndex = 0;
- for (int f = 0; f < features.length; f++)
- {
- name.addItem(features[f].getType().toString());
- }
-
- description.setText(features[0].getDescription());
- source.setSelectedItem(features[0].getFeatureGroup());
- start.setValue(new Integer(features[0].getBegin()));
- end.setValue(new Integer(features[0].getEnd()));
- colour.setBackground(
- getColour(name.getSelectedItem().toString()));
- name.addItemListener(new ItemListener()
- {
- public void itemStateChanged(ItemEvent e)
- {
- int index = name.getSelectedIndex();
- if (index != -1)
- {
- featureIndex = index;
- description.setText(features[index].getDescription());
- source.setSelectedItem(features[index].getFeatureGroup());
- start.setValue(new Integer(features[index].getBegin()));
- end.setValue(new Integer(features[index].getEnd()));
- colour.setBackground(
- getColour(name.getSelectedItem().toString()));
-
- SearchResults highlight = new SearchResults();
- highlight.addResult(sequences[0],
- features[index].getBegin(),
- features[index].getEnd());
-
- ap.seqPanel.seqCanvas.highlightSearchResults(highlight);
-
- }
- Color col = getColour(name.getSelectedItem().toString());
- if (col == null)
- {
- col = new
- jalview.schemes.UserColourScheme()
- .createColourFromName(name.getSelectedItem().toString());
- }
- colour.setBackground(col);
- }
- });
+ start.setValue(new Integer(features[0].getBegin()));
+ end.setValue(new Integer(features[0].getEnd()));
+ description.setText(features[0].getDescription());
+ colour.setBackground(getColour(name.getText()));
- }
Object[] options;
if (!newFeatures)
jalview.io.FeaturesFile ffile = new jalview.io.FeaturesFile();
- if (reply == JOptionPane.OK_OPTION
- && name.getSelectedItem() != null
- && source.getSelectedItem() != null)
+ if (reply == JOptionPane.OK_OPTION && name.getText().length()>0)
{
- //This ensures that the last sequence
- //is refreshed and new features are rendered
+ // This ensures that the last sequence
+ // is refreshed and new features are rendered
lastSeq = null;
- lastFeatureAdded = name.getSelectedItem().toString();
- lastFeatureGroupAdded = source.getSelectedItem().toString();
+ lastFeatureAdded = name.getText().trim();
+ lastFeatureGroupAdded = source.getText().trim();
lastDescriptionAdded = description.getText().replaceAll("\n", " ");
+
+ if(lastFeatureGroupAdded.length()<1)
+ lastFeatureGroupAdded = null;
}
if (!newFeatures)
sf.type = lastFeatureAdded;
sf.featureGroup = lastFeatureGroupAdded;
sf.description = lastDescriptionAdded;
+
setColour(sf.type, colour.getBackground());
+ av.featuresDisplayed.put(sf.type,
+ new Integer(colour.getBackground().getRGB()));
+
try
{
sf.begin = ( (Integer) start.getValue()).intValue();
ffile.parseDescriptionHTML(sf, false);
}
}
- else
+ else //NEW FEATURES ADDED
{
if (reply == JOptionPane.OK_OPTION
- && name.getSelectedItem() != null
- && source.getSelectedItem() != null)
+ && lastFeatureAdded.length()>0)
{
for (int i = 0; i < sequences.length; i++)
{
features[i].type = lastFeatureAdded;
- features[i].featureGroup = lastFeatureGroupAdded;
+ if (lastFeatureGroupAdded!=null)
+ features[i].featureGroup = lastFeatureGroupAdded;
features[i].description = lastDescriptionAdded;
sequences[i].addSequenceFeature(features[i]);
ffile.parseDescriptionHTML(features[i], false);
av.featuresDisplayed = new Hashtable();
}
- if (featureGroups == null)
+ if (lastFeatureGroupAdded != null)
{
- featureGroups = new Hashtable();
+ if (featureGroups == null)
+ featureGroups = new Hashtable();
+ featureGroups.put(lastFeatureGroupAdded, new Boolean(true));
}
- featureGroups.put(lastFeatureGroupAdded, new Boolean(true));
-
Color col = colour.getBackground();
setColour(lastFeatureAdded, colour.getBackground());
+ av.featuresDisplayed.put(lastFeatureAdded,
+ new Integer(col.getRGB()));
+
+ findAllFeatures(false);
- av.featuresDisplayed.put(lastFeatureGroupAdded,
- new Integer(col.getRGB()));
+ ap.paintAlignment(true);
- findAllFeatures();
return true;
}
}
}
- if (name.getSelectedIndex() == -1)
- {
- findAllFeatures();
- }
+ ap.paintAlignment(true);
return true;
}
{
return transparency;
}
-
+ /**
+ * Replace current ordering with new ordering
+ * @param data { String(Type), Colour(Type), Boolean(Displayed) }
+ */
public void setFeaturePriority(Object[][] data)
{
- // The feature table will display high priority
- // features at the top, but theses are the ones
- // we need to render last, so invert the data
- if (av.featuresDisplayed != null)
- {
- av.featuresDisplayed.clear();
+ setFeaturePriority(data, true);
+ }
+ /**
+ *
+ * @param data { String(Type), Colour(Type), Boolean(Displayed) }
+ * @param visibleNew when true current featureDisplay list will be cleared
+ */
+ public void setFeaturePriority(Object[][] data, boolean visibleNew)
+ {
+ if (visibleNew)
+ {
+ if (av.featuresDisplayed != null)
+ {
+ av.featuresDisplayed.clear();
+ }
+ else
+ {
+ av.featuresDisplayed = new Hashtable();
+ }
}
- else
+ if (data==null)
{
- av.featuresDisplayed = new Hashtable();
+ return;
}
+ // The feature table will display high priority
+ // features at the top, but theses are the ones
+ // we need to render last, so invert the data
renderOrder = new String[data.length];
if (data.length > 0)
}
}
+ Hashtable featureOrder=null;
+ /**
+ * analogous to colour - store a normalized ordering for all feature types in
+ * this rendering context.
+ *
+ * @param type
+ * Feature type string
+ * @param position
+ * normalized priority - 0 means always appears on top, 1 means
+ * always last.
+ */
+ public float setOrder(String type, float position)
+ {
+ if (featureOrder==null)
+ {
+ featureOrder = new Hashtable();
+ }
+ featureOrder.put(type, new Float(position));
+ return position;
+ }
+ /**
+ * get the global priority (0 (top) to 1 (bottom))
+ *
+ * @param type
+ * @return [0,1] or -1 for a type without a priority
+ */
+ public float getOrder(String type) {
+ if (featureOrder!=null)
+ {
+ if (featureOrder.containsKey(type))
+ {
+ return ((Float)featureOrder.get(type)).floatValue();
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * @param listener
+ * @see java.beans.PropertyChangeSupport#addPropertyChangeListener(java.beans.PropertyChangeListener)
+ */
+ public void addPropertyChangeListener(PropertyChangeListener listener)
+ {
+ changeSupport.addPropertyChangeListener(listener);
+ }
+ /**
+ * @param listener
+ * @see java.beans.PropertyChangeSupport#removePropertyChangeListener(java.beans.PropertyChangeListener)
+ */
+ public void removePropertyChangeListener(PropertyChangeListener listener)
+ {
+ changeSupport.removePropertyChangeListener(listener);
+ }
}
git://source.jalview.org / jalview.git / blobdiff