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'#1866: Custom renderer for bookmarks cell in the main table.
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155 changes: 155 additions & 0 deletions
155
iped-app/src/main/java/iped/app/ui/bookmarks/BookmarkCellRenderer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| package iped.app.ui.bookmarks; | ||
|
|
||
| import java.awt.Color; | ||
| import java.awt.FontMetrics; | ||
| import java.awt.Graphics2D; | ||
| import java.awt.RenderingHints; | ||
| import java.awt.RenderingHints.Key; | ||
| import java.awt.geom.Rectangle2D; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| import iped.data.IMultiBookmarks; | ||
|
|
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| public class BookmarkCellRenderer { | ||
| private static final RenderingHints renderingHints; | ||
|
|
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| private String[] names; | ||
| private Color[] colors; | ||
| private final Map<Integer, ClippedString[]> clippedNamesMemo = new HashMap<Integer, ClippedString[]>(); | ||
| private int maxSpacing; | ||
| private String lastStr; | ||
|
|
||
| static { | ||
| Map<Key, Object> hints = new HashMap<Key, Object>(); | ||
| hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); | ||
| hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY); | ||
| hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON); | ||
| hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); | ||
| hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY); | ||
| renderingHints = new RenderingHints(hints); | ||
| } | ||
|
|
||
| public void setBookmarks(IMultiBookmarks bookmarks, String str) { | ||
| boolean strChanged = false; | ||
| if (!str.equals(lastStr)) { | ||
| strChanged = true; | ||
| if (str.indexOf(" | ") < 0) { | ||
| if (names == null || names.length != 1) { | ||
| names = new String[] { str }; | ||
| } else { | ||
| names[0] = str; | ||
| } | ||
| } else { | ||
| names = str.split(" \\| "); | ||
| } | ||
| lastStr = str; | ||
| } | ||
| if (colors == null || colors.length < names.length) { | ||
| colors = new Color[names.length]; | ||
| } | ||
| for (int i = 0; i < names.length; i++) { | ||
| Color c = bookmarks.getBookmarkColor(names[i]); | ||
| colors[i] = c == null ? BookmarkStandardColors.defaultColor : c; | ||
| } | ||
| if (strChanged) { | ||
| maxSpacing = Integer.MAX_VALUE; | ||
| clippedNamesMemo.clear(); | ||
| } | ||
| } | ||
|
|
||
| private synchronized ClippedString[] getClippedNames(FontMetrics fm, Graphics2D g, int w) { | ||
| if (w > maxSpacing) { | ||
| w = maxSpacing; | ||
| } | ||
| ClippedString[] cs = clippedNamesMemo.get(w); | ||
| if (cs == null) { | ||
| cs = new ClippedString[names.length]; | ||
| int x = 0; | ||
| for (int i = 0; i < names.length; i++) { | ||
| String s = names[i].trim(); | ||
| Rectangle2D rc = fm.getStringBounds(s, g); | ||
| int rw = (int) rc.getWidth() + 6; | ||
| cs[i] = new ClippedString(s, rw); | ||
| x += rw + 1; | ||
| } | ||
| x--; | ||
| if (x <= w) { | ||
| maxSpacing = w = x; | ||
| } else { | ||
| String el = "..."; | ||
| int used = x; | ||
| int minW = 8; | ||
| while (used > w) { | ||
| int idx = -1; | ||
| int maxW = minW; | ||
| for (int i = 0; i < names.length; i++) { | ||
| ClippedString a = cs[i]; | ||
| if (a.w > maxW && !a.str.isEmpty()) { | ||
| maxW = a.w; | ||
| idx = i; | ||
| } | ||
| } | ||
| if (idx == -1) { | ||
| break; | ||
| } | ||
| ClippedString a = cs[idx]; | ||
| if (a.str.length() <= 1) { | ||
| a.str = ""; | ||
| } else if (a.str.endsWith(el)) { | ||
| if (a.str.length() <= el.length() + 1) { | ||
| a.str = a.str.substring(0, 1).trim(); | ||
| } else { | ||
| a.str = a.str.substring(0, a.str.length() - 1 - el.length()).trim() + el; | ||
| } | ||
| } else { | ||
| a.str = a.str.substring(0, a.str.length() - 1).trim() + el; | ||
| } | ||
| if (a.str.isEmpty()) { | ||
| a.w = minW; | ||
| } else { | ||
| Rectangle2D rc = fm.getStringBounds(a.str, g); | ||
| int rw = (int) rc.getWidth() + 6; | ||
| if (rw < minW) { | ||
| rw = minW; | ||
| a.str = ""; | ||
| } | ||
| a.w = rw; | ||
| } | ||
| used -= maxW - a.w; | ||
| } | ||
| } | ||
| clippedNamesMemo.put(w, cs); | ||
| } | ||
| return cs; | ||
| } | ||
|
|
||
| public void paint(Graphics2D g, int w, int h) { | ||
| RenderingHints saveHints = g.getRenderingHints(); | ||
| g.setRenderingHints(renderingHints); | ||
| FontMetrics fm = g.getFontMetrics(); | ||
| ClippedString[] cn = getClippedNames(fm, g, w); | ||
| int y = (int) ((h - fm.getHeight()) / 2.0 + fm.getAscent()); | ||
| int x = 0; | ||
| for (int i = 0; i < cn.length; i++) { | ||
| ClippedString cs = cn[i]; | ||
| Color c = colors[i]; | ||
| g.setColor(c); | ||
| g.fillRoundRect(x, 1, cs.w, h - 1, h / 2, h / 2); | ||
| g.setColor(BookmarkColorsUtil.getForeground(c)); | ||
| g.drawString(cs.str, x + 3, y); | ||
| x += cs.w + 1; | ||
| } | ||
| g.setRenderingHints(saveHints); | ||
| } | ||
|
|
||
| private class ClippedString { | ||
| String str; | ||
| int w; | ||
|
|
||
| ClippedString(String str, int w) { | ||
| this.str = str; | ||
| this.w = w; | ||
| } | ||
| } | ||
| } |
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