From: Niki Roo Date: Wed, 29 Apr 2020 21:51:18 +0000 (+0200) Subject: ListModel: support for tooltips X-Git-Url: https://git.nikiroo.be/?a=commitdiff_plain;h=8a4297ea02dfb0645312b00042b541caa3f8851b;p=fanfix-swing.git ListModel: support for tooltips --- diff --git a/ui/DelayWorker.java b/ui/DelayWorker.java index 3618b89e..2a16c983 100644 --- a/ui/DelayWorker.java +++ b/ui/DelayWorker.java @@ -201,7 +201,7 @@ public class DelayWorker { * @param worker * the process to delay */ - public void delay(final String id, final SwingWorker worker) { + public void delay(String id, SwingWorker worker) { synchronized (lazyEnCoursLock) { lazyEnCours.put(id, worker); } diff --git a/ui/ListModel.java b/ui/ListModel.java index e349deef..cf16d5f0 100644 --- a/ui/ListModel.java +++ b/ui/ListModel.java @@ -2,6 +2,7 @@ package be.nikiroo.utils.ui; import java.awt.Component; import java.awt.Point; +import java.awt.Window; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.ArrayList; @@ -11,6 +12,7 @@ import java.util.List; import javax.swing.JList; import javax.swing.JPopupMenu; import javax.swing.ListCellRenderer; +import javax.swing.SwingWorker; import be.nikiroo.utils.compat.DefaultListModel6; import be.nikiroo.utils.compat.JList6; @@ -78,10 +80,41 @@ public class ListModel extends DefaultListModel6 { public void setHovered(boolean hovered); } + /** + * An interface required to support tooltips on this {@link ListModel}. + * + * @author niki + * + * @param + * the type of elements and items (the same type) + */ + public interface TooltipCreator { + /** + * Generate a tooltip {@link Window} for this element. + *

+ * Note that the tooltip can be of two modes: undecorated or standalone. + * An undecorated tooltip will be taken care of by this + * {@link ListModel}, but a standalone one is supposed to be its own + * Dialog or Frame (it won't be automatically closed). + * + * @param t + * the element to generate a tooltip for + * @param undecorated + * TRUE for undecorated tooltip, FALSE for standalone + * tooltips + * + * @return the generated tooltip or NULL for none + */ + public Window generateTooltip(T t, boolean undecorated); + } + private int hoveredIndex; private List items = new ArrayList(); private boolean keepSelection = true; + private TooltipCreator tooltipCreator; + private Window tooltip; + @SuppressWarnings("rawtypes") // JList not compatible Java 1.6 private JList list; @@ -105,10 +138,41 @@ public class ListModel extends DefaultListModel6 { * the popup to use and keep track of (can be NULL) */ @SuppressWarnings("rawtypes") // JList not compatible Java 1.6 - public ListModel(final JList6 list, final JPopupMenu popup) { + public ListModel(JList6 list, JPopupMenu popup) { this((JList) list, popup); } + /** + * Create a new {@link ListModel}. + * + * @param list + * the {@link JList6} we will handle the data of (cannot be NULL) + * @param tooltipCreator + * use this if you want the list to display tooltips on hover + * (can be NULL) + */ + @SuppressWarnings("rawtypes") // JList not compatible Java 1.6 + public ListModel(JList6 list, TooltipCreator tooltipCreator) { + this((JList) list, null, tooltipCreator); + } + + /** + * Create a new {@link ListModel}. + * + * @param list + * the {@link JList6} we will handle the data of (cannot be NULL) + * @param popup + * the popup to use and keep track of (can be NULL) + * @param tooltipCreator + * use this if you want the list to display tooltips on hover + * (can be NULL) + */ + @SuppressWarnings("rawtypes") // JList not compatible Java 1.6 + public ListModel(JList6 list, JPopupMenu popup, + TooltipCreator tooltipCreator) { + this((JList) list, popup, tooltipCreator); + } + /** * Create a new {@link ListModel}. *

@@ -123,7 +187,7 @@ public class ListModel extends DefaultListModel6 { */ @SuppressWarnings("rawtypes") // JList not compatible Java 1.6 public ListModel(JList list) { - this(list, null); + this(list, null, null); } /** @@ -140,24 +204,101 @@ public class ListModel extends DefaultListModel6 { * @param popup * the popup to use and keep track of (can be NULL) */ + @SuppressWarnings("rawtypes") // JList not in Java 1.6 + public ListModel(JList list, JPopupMenu popup) { + this(list, popup, null); + } + + /** + * Create a new {@link ListModel}. + *

+ * Note that you must take care of passing a {@link JList} that only handles + * elements of the type of this {@link ListModel} -- you can also use + * {@link ListModel#ListModel(JList6, JPopupMenu)} instead. + * + * @param list + * the {@link JList} we will handle the data of (cannot be NULL, + * must only contain elements of the type of this + * {@link ListModel}) + * @param tooltipCreator + * use this if you want the list to display tooltips on hover + * (can be NULL) + */ + @SuppressWarnings("rawtypes") // JList not in Java 1.6 + public ListModel(JList list, TooltipCreator tooltipCreator) { + this(list, null, tooltipCreator); + } + + /** + * Create a new {@link ListModel}. + *

+ * Note that you must take care of passing a {@link JList} that only handles + * elements of the type of this {@link ListModel} -- you can also use + * {@link ListModel#ListModel(JList6, JPopupMenu)} instead. + * + * @param list + * the {@link JList} we will handle the data of (cannot be NULL, + * must only contain elements of the type of this + * {@link ListModel}) + * @param popup + * the popup to use and keep track of (can be NULL) + * @param tooltipCreator + * use this if you want the list to display tooltips on hover + * (can be NULL) + */ @SuppressWarnings({ "unchecked", "rawtypes" }) // JList not in Java 1.6 - public ListModel(final JList list, final JPopupMenu popup) { + public ListModel(final JList list, final JPopupMenu popup, + TooltipCreator tooltipCreator) { this.list = list; + this.tooltipCreator = tooltipCreator; + list.setModel(this); + final DelayWorker tooltipWatcher = new DelayWorker(500); + if (tooltipCreator != null) { + tooltipWatcher.start(); + } + list.addMouseMotionListener(new MouseAdapter() { @Override - public void mouseMoved(MouseEvent me) { + public void mouseMoved(final MouseEvent me) { if (popup != null && popup.isShowing()) return; Point p = new Point(me.getX(), me.getY()); - int index = list.locationToIndex(p); + final int index = list.locationToIndex(p); if (index != hoveredIndex) { int oldIndex = hoveredIndex; hoveredIndex = index; fireElementChanged(oldIndex); fireElementChanged(index); + + if (ListModel.this.tooltipCreator != null) { + tooltipWatcher.delay("tooltip", + new SwingWorker() { + @Override + protected Void doInBackground() + throws Exception { + return null; + } + + @Override + protected void done() { + Window oldTooltip = tooltip; + tooltip = null; + if (oldTooltip != null) { + oldTooltip.setVisible(false); + } + + if (index < 0 + || index != hoveredIndex) { + return; + } + + tooltip = newTooltip(index, me); + } + }); + } } } }); @@ -199,6 +340,7 @@ public class ListModel extends DefaultListModel6 { popup.show(list, e.getX(), e.getY()); } } + }); } @@ -410,6 +552,31 @@ public class ListModel extends DefaultListModel6 { return (T) super.get(index); } + private Window newTooltip(final int index, final MouseEvent me) { + final T value = ListModel.this.get(index); + + final Window newTooltip = tooltipCreator.generateTooltip(value, true); + + if (newTooltip != null) { + newTooltip.addMouseListener(new MouseAdapter() { + @Override + public void mouseClicked(MouseEvent e) { + + Window promotedTooltip = tooltipCreator + .generateTooltip(value, false); + promotedTooltip.setLocation(newTooltip.getLocation()); + newTooltip.setVisible(false); + promotedTooltip.setVisible(true); + } + }); + newTooltip.setLocation(me.getXOnScreen(), me.getYOnScreen()); + + newTooltip.setVisible(true); + } + + return newTooltip; + } + /** * Generate a {@link ListCellRenderer} that supports {@link Hoverable} * elements.