/** Centers the graph in the display. */ public void center() { // toggle the scrollbars back and forth to center the image JScrollBar sb = scrollPane.getHorizontalScrollBar(); sb.setValue(sb.getMaximum()); sb.setValue(sb.getMinimum()); sb.setValue((sb.getMaximum() + sb.getMinimum()) / 2); sb = scrollPane.getVerticalScrollBar(); sb.setValue(sb.getMaximum()); sb.setValue(sb.getMinimum()); sb.setValue((sb.getMaximum() + sb.getMinimum()) / 2); }
@Override public void focusGained(FocusEvent fe) { if (-1 == table.getSelectedRow() && table.getRowCount() > 0) { table.setRowSelectionInterval(0, 0); JScrollBar scrollbar = scrollpane.getVerticalScrollBar(); scrollbar.setValue(scrollbar.getMinimum()); } if (-1 == table.getSelectedColumn()) { table.setColumnSelectionInterval(0, 0); } }
// {{{ restoreSelection() method public void restoreSelection(Set<String> savedChecked, Set<String> savedSelection) { for (int i = 0, c = getRowCount(); i < c; i++) { Object obj = filteredEntries.get(i); String name = obj.toString(); if (obj instanceof Entry) { name = ((Entry) obj).plugin.jar; } if (pluginSet.contains(name)) setValueAt(true, i, 0); else setValueAt(savedChecked.contains(name), i, 0); } if (table == null) return; table.setColumnSelectionInterval(0, 0); if (!savedSelection.isEmpty()) { int i = 0; int rowCount = getRowCount(); for (; i < rowCount; i++) { String name = filteredEntries.get(i).toString(); if (savedSelection.contains(name)) { table.setRowSelectionInterval(i, i); break; } } ListSelectionModel lsm = table.getSelectionModel(); for (; i < rowCount; i++) { String name = filteredEntries.get(i).toString(); if (savedSelection.contains(name)) { lsm.addSelectionInterval(i, i); } } } else { if (table.getRowCount() != 0) table.setRowSelectionInterval(0, 0); JScrollBar scrollbar = scrollpane.getVerticalScrollBar(); scrollbar.setValue(scrollbar.getMinimum()); } } // }}}
protected void layoutHScrollbar(JScrollBar sb) { if (AbstractLookAndFeel.getTheme().isLinuxStyleScrollBarOn()) { Dimension sbSize = sb.getSize(); Insets sbInsets = sb.getInsets(); int sizeW = sbSize.width - sbInsets.left - sbInsets.right; /* * Height and top edge of the buttons and thumb. */ int itemY = sbInsets.top; int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom); // Math.min(itemW, sizeH / 2); int itemW = Math.min(itemH, sizeW / 2); // sbSize.width - (sbInsets.left + sbInsets.right); /* Nominal locations of the buttons, assuming their preferred * size will fit. */ int decrButtonX = sbSize.width - sbInsets.right - itemW - itemW + 1; int incrButtonX = sbSize.width - sbInsets.right - itemW; /* Compute the width and origin of the thumb. The case * where the thumb is at the right edge is handled specially * to avoid numerical problems in computing thumbX. Enforce * the thumbs min/max dimensions. If the thumb doesn't * fit in the track (trackW) we'll hide it later. */ float trackW = sbSize.width - sbInsets.left - sbInsets.right - itemH - itemH + 1; float min = sb.getMinimum(); float max = sb.getMaximum(); float extent = sb.getVisibleAmount(); float range = max - min; float value = sb.getValue(); int maxThumbW = getMaximumThumbSize().width; int minThumbW = getMinimumThumbSize().width; int thumbW = (range <= 0) ? maxThumbW : (int) (trackW * (extent / range)); thumbW = Math.max(thumbW, minThumbW); thumbW = Math.min(thumbW, maxThumbW); int thumbX = decrButtonX - thumbW; if (value < (max - extent)) { float thumbRange = trackW - thumbW; thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent)))); } /* If the thumb isn't going to fit, zero it's bounds. Otherwise * make sure it fits between the buttons. Note that setting the * thumbs bounds will cause a repaint. */ if (thumbW > trackW) { setThumbBounds(0, 0, 0, 0); } else { setThumbBounds(thumbX, itemY, thumbW, itemH); } decrButton.setBounds(decrButtonX, itemY, itemW, itemH); incrButton.setBounds(incrButtonX, itemY, itemW, itemH); /* Update the trackRect field. */ trackRect.setBounds(0, itemY, (int) trackW, itemH); } else { super.layoutHScrollbar(sb); } }
protected void alternateLayoutVScrollbar(JScrollBar sb) { Dimension sbSize = sb.getSize(); Insets sbInsets = sb.getInsets(); /* * Width and left edge of the buttons and thumb. */ int itemW = sbSize.width - (sbInsets.left + sbInsets.right); int itemX = sbInsets.left; /* Nominal locations of the buttons, assuming their preferred * size will fit. */ int incrButtonH = incrButton.getPreferredSize().height; int incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH); int decrButtonH = decrButton.getPreferredSize().height; int decrButtonY = incrButtonY - decrButtonH; /* The thumb must fit within the height left over after we * subtract the preferredSize of the buttons and the insets. */ int sbInsetsH = sbInsets.top + sbInsets.bottom; int sbButtonsH = decrButtonH + incrButtonH; float trackH = sbSize.height - (sbInsetsH + sbButtonsH); /* Compute the height and origin of the thumb. The case * where the thumb is at the bottom edge is handled specially * to avoid numerical problems in computing thumbY. Enforce * the thumbs min/max dimensions. If the thumb doesn't * fit in the track (trackH) we'll hide it later. */ float min = sb.getMinimum(); float extent = sb.getVisibleAmount(); float range = sb.getMaximum() - min; float value = sb.getValue(); int thumbH = (range <= 0) ? getMaximumThumbSize().height : (int) (trackH * (extent / range)); thumbH = Math.max(thumbH, getMinimumThumbSize().height); thumbH = Math.min(thumbH, getMaximumThumbSize().height); int thumbY = decrButtonY - thumbH; // incrButtonY - thumbH; if (sb.getValue() < (sb.getMaximum() - sb.getVisibleAmount())) { float thumbRange = trackH - thumbH; thumbY = (int) (0.5f + (thumbRange * ((value - min) / (range - extent)))); // thumbY += decrButtonY + decrButtonH; } /* If the buttons don't fit, allocate half of the available * space to each and move the lower one (incrButton) down. */ int sbAvailButtonH = (sbSize.height - sbInsetsH); if (sbAvailButtonH < sbButtonsH) { incrButtonH = decrButtonH = sbAvailButtonH / 2; incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH); } decrButton.setBounds(itemX, decrButtonY, itemW, decrButtonH); incrButton.setBounds(itemX, incrButtonY, itemW, incrButtonH); /* Update the trackRect field. */ int itrackY = sbInsets.top; int itrackH = decrButtonY - itrackY; trackRect.setBounds(itemX, itrackY, itemW, itrackH); /* If the thumb isn't going to fit, zero it's bounds. Otherwise * make sure it fits between the buttons. Note that setting the * thumbs bounds will cause a repaint. */ if (thumbH >= (int) trackH) { setThumbBounds(0, 0, 0, 0); } else { if ((thumbY + thumbH) > decrButtonY) { thumbY = decrButtonY - thumbH; } /* if (thumbY < (decrButtonY + decrButtonH)) { thumbY = decrButtonY + decrButtonH + 1; }*/ setThumbBounds(itemX, thumbY, itemW, thumbH); } }
protected void alternateLayoutHScrollbar(JScrollBar sb) { Dimension sbSize = sb.getSize(); Insets sbInsets = sb.getInsets(); /* Height and top edge of the buttons and thumb. */ int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom); int itemY = sbInsets.top; /* Nominal locations of the buttons, assuming their preferred * size will fit. */ int incrButtonW = incrButton.getPreferredSize().width; int incrButtonX = sbSize.width - (sbInsets.right + incrButtonW); int decrButtonW = decrButton.getPreferredSize().width; int decrButtonX = incrButtonX - decrButtonW; /* The thumb must fit within the width left over after we * subtract the preferredSize of the buttons and the insets. */ int sbInsetsW = sbInsets.left + sbInsets.right; int sbButtonsW = decrButtonW + incrButtonW; float trackW = sbSize.width - (sbInsetsW + sbButtonsW); /* Compute the width and origin of the thumb. Enforce * the thumbs min/max dimensions. The case where the thumb * is at the right edge is handled specially to avoid numerical * problems in computing thumbX. If the thumb doesn't * fit in the track (trackH) we'll hide it later. */ float min = sb.getMinimum(); float extent = sb.getVisibleAmount(); float range = sb.getMaximum() - min; float value = sb.getValue(); int thumbW = (range <= 0) ? getMaximumThumbSize().width : (int) (trackW * (extent / range)); thumbW = Math.max(thumbW, getMinimumThumbSize().width); thumbW = Math.min(thumbW, getMaximumThumbSize().width); int thumbX = decrButtonX - thumbW; if (sb.getValue() < (sb.getMaximum() - sb.getVisibleAmount())) { float thumbRange = trackW - thumbW; thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent)))); // thumbX += decrButtonX + decrButtonW; } /* If the buttons don't fit, allocate half of the available * space to each and move the right one (incrButton) over. */ int sbAvailButtonW = (sbSize.width - sbInsetsW); if (sbAvailButtonW < sbButtonsW) { incrButtonW = decrButtonW = sbAvailButtonW / 2; incrButtonX = sbSize.width - (sbInsets.right + incrButtonW); } decrButton.setBounds(decrButtonX, itemY, decrButtonW, itemH); incrButton.setBounds(incrButtonX, itemY, incrButtonW, itemH); /* Update the trackRect field. */ int itrackX = sbInsets.left; // decrButtonX + decrButtonW; int itrackW = decrButtonX - itrackX; trackRect.setBounds(itrackX, itemY, itrackW, itemH); /* Make sure the thumb fits between the buttons. Note * that setting the thumbs bounds causes a repaint. */ if (thumbW >= (int) trackW) { setThumbBounds(0, 0, 0, 0); } else { if (thumbX + thumbW > incrButtonX) { thumbX = incrButtonX - thumbW; } /*if (thumbX < decrButtonX + decrButtonW) { thumbX = decrButtonX + decrButtonW + 1; }*/ setThumbBounds(thumbX, itemY, thumbW, itemH); } }
private void scrollToTheLastList(JScrollPane scroll, ScrollTo to) { JScrollBar bar = scroll.getHorizontalScrollBar(); bar.setValue(to.equals(ScrollTo.last) ? bar.getMaximum() : bar.getMinimum()); }