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Add hover effect to ImageView

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drdev
2014-02-01 04:47:14 +00:00
parent c1750989b7
commit 4c129ffee4
1 changed files with 84 additions and 27 deletions
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111
forge-gui/src/main/java/forge/gui/toolbox/itemmanager/views/ImageView.java
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@@ -10,6 +10,7 @@ import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Collections;
@@ -97,6 +98,23 @@ public class ImageView<T extends InventoryItem> extends ItemView<T> {
onSelectionChange();
item.scrollIntoView();
}
@Override
public void onMouseExit(MouseEvent e) {
if (display.updateHoveredItem(null, null)) {
display.repaint();
}
}
});
display.addMouseMotionListener(new MouseMotionAdapter() {
@Override
public void mouseMoved(MouseEvent e) {
FScrollPane scroller = ImageView.this.getScroller();
Point hoverScrollPos = new Point(scroller.getHorizontalScrollBar().getValue(), scroller.getVerticalScrollBar().getValue());
if (display.updateHoveredItem(e.getPoint(), hoverScrollPos)) {
display.repaint();
}
}
});
}
@@ -283,6 +301,9 @@ public class ImageView<T extends InventoryItem> extends ItemView<T> {
@SuppressWarnings("serial")
private class CardViewDisplay extends JPanel {
private Point hoverPoint;
private Point hoverScrollPos;
private ItemInfo hoveredItem;
private List<ItemInfo> items = new ArrayList<ItemInfo>();
private List<Section> sections = new ArrayList<Section>();
@@ -411,18 +432,34 @@ public class ImageView<T extends InventoryItem> extends ItemView<T> {
}
private boolean updateHoveredItem(Point hoverPoint0, Point hoverScrollPos0) {
this.hoverPoint = hoverPoint0;
this.hoverScrollPos = hoverScrollPos0;
ItemInfo item = null;
FScrollPane scroller = ImageView.this.getScroller();
if (hoverPoint0 != null) {
Point displayPoint = new Point(hoverPoint0);
//account for change in scroll positions since mouse last moved
displayPoint.x += scroller.getHorizontalScrollBar().getValue() - hoverScrollPos0.x;
displayPoint.y += scroller.getVerticalScrollBar().getValue() - hoverScrollPos0.y;
item = this.getItemAtPoint(displayPoint);
}
if (this.hoveredItem == item) { return false; }
this.hoveredItem = item;
return true;
}
@Override
public final void paintComponent(final Graphics g) {
if (this.items.isEmpty()) { return; }
updateHoveredItem(this.hoverPoint, this.hoverScrollPos); //ensure hovered item up to date
final Graphics2D g2d = (Graphics2D) g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
final int itemWidth = this.items.get(0).getBounds().width;
final int selBorderSize = Math.max(1, Math.round(itemWidth * GAP_SCALE_FACTOR / 2) - 1);
final int borderSize = Math.round(itemWidth * CardPanel.BLACK_BORDER_SIZE);
final int cornerSize = Math.max(4, Math.round(itemWidth * CardPanel.ROUNDED_CORNER_SIZE));
int sectionIdx = 0, pileIdx = 0;
final int scrollTop = ImageView.this.getScroller().getVerticalScrollBar().getValue();
final int scrollBottom = scrollTop + getVisibleSize().height;
@@ -450,32 +487,52 @@ public class ImageView<T extends InventoryItem> extends ItemView<T> {
break;
}
for (ItemInfo itemInfo : pile.items) {
Rectangle bounds = itemInfo.getBounds();
if (itemInfo.selected) {
g2d.setColor(Color.green);
g2d.fillRoundRect(bounds.x - selBorderSize, bounds.y - selBorderSize,
bounds.width + 2 * selBorderSize, bounds.height + 2 * selBorderSize,
cornerSize + selBorderSize, cornerSize + selBorderSize);
}
g2d.setColor(Color.black);
g2d.fillRoundRect(bounds.x, bounds.y, bounds.width, bounds.height, cornerSize, cornerSize);
BufferedImage img = ImageCache.getImage(itemInfo.item, bounds.width - 2 * borderSize, bounds.height - 2 * borderSize);
if (img != null) {
g2d.drawImage(img, null, bounds.x + borderSize, bounds.y + borderSize);
}
else {
g2d.setColor(Color.white);
Shape clip = g2d.getClip();
g2d.setClip(bounds.x, bounds.y, bounds.width, bounds.height);
g2d.drawString(itemInfo.item.getName(), bounds.x + 10, bounds.y + 20);
g2d.setClip(clip);
if (itemInfo != this.hoveredItem) { //save hovered item for last
drawItemImage(g2d, itemInfo);
}
}
}
}
if (this.hoveredItem != null) { //draw hovered item on top
drawItemImage(g2d, this.hoveredItem);
}
}
private void drawItemImage(Graphics2D g, ItemInfo itemInfo) {
Rectangle bounds = itemInfo.getBounds();
final int itemWidth = bounds.width;
final int selBorderSize = Math.max(1, Math.round(itemWidth * GAP_SCALE_FACTOR / 2) - 1);
final int borderSize = Math.round(itemWidth * CardPanel.BLACK_BORDER_SIZE);
final int cornerSize = Math.max(4, Math.round(itemWidth * CardPanel.ROUNDED_CORNER_SIZE));
if (itemInfo.selected) {
g.setColor(Color.green);
g.fillRoundRect(bounds.x - selBorderSize, bounds.y - selBorderSize,
bounds.width + 2 * selBorderSize, bounds.height + 2 * selBorderSize,
cornerSize + selBorderSize, cornerSize + selBorderSize);
}
else if (itemInfo == this.hoveredItem) {
int hoverBorderSize = Math.max(1, selBorderSize / 2);
g.setColor(Color.green);
g.fillRoundRect(bounds.x - hoverBorderSize, bounds.y - hoverBorderSize,
bounds.width + 2 * hoverBorderSize, bounds.height + 2 * hoverBorderSize,
cornerSize + hoverBorderSize, cornerSize + hoverBorderSize);
}
g.setColor(Color.black);
g.fillRoundRect(bounds.x, bounds.y, bounds.width, bounds.height, cornerSize, cornerSize);
BufferedImage img = ImageCache.getImage(itemInfo.item, bounds.width - 2 * borderSize, bounds.height - 2 * borderSize);
if (img != null) {
g.drawImage(img, null, bounds.x + borderSize, bounds.y + borderSize);
}
else {
g.setColor(Color.white);
Shape clip = g.getClip();
g.setClip(bounds.x, bounds.y, bounds.width, bounds.height);
g.drawString(itemInfo.item.getName(), bounds.x + 10, bounds.y + 20);
g.setClip(clip);
}
}
}
}