public void adjustmentValueChanged(AdjustmentEvent e) { if (e.getValueIsAdjusting() || getRowCount() == 0) { return; } if (jsb.getMaximum() != 0 && e.getValue() > 0) { if ((jsb.getMaximum() - jsb.getVisibleAmount()) <= e.getValue()) { control.fetchNextRecords(); } } }
/* * Method of the AdjustmenListener interface. */ @Override public void adjustmentValueChanged(final AdjustmentEvent e) { if (bar != null && e.getSource() == bar) { final AdjustmentEvent myE = new AdjustmentEvent( this, e.getID(), e.getAdjustmentType(), e.getValue(), e.getValueIsAdjusting()); final AdjustmentListener listener = adjustmentListener; if (listener != null) { listener.adjustmentValueChanged(myE); } } }
// This method is called whenever the value of a scrollbar is changed, // either by the user or programmatically. public void adjustmentValueChanged(AdjustmentEvent evt) { Adjustable source = evt.getAdjustable(); // getValueIsAdjusting() returns true if the user is currently // dragging the scrollbar's knob and has not picked a final value if (evt.getValueIsAdjusting()) { // The user is dragging the knob return; } // Determine which scrollbar fired the event int orient = source.getOrientation(); if (orient == Adjustable.HORIZONTAL) { // Event from horizontal scrollbar } else { // Event from vertical scrollbar } // Determine the type of event int type = evt.getAdjustmentType(); switch (type) { case AdjustmentEvent.UNIT_INCREMENT: // Scrollbar was increased by one unit break; case AdjustmentEvent.UNIT_DECREMENT: // Scrollbar was decreased by one unit break; case AdjustmentEvent.BLOCK_INCREMENT: // Scrollbar was increased by one block break; case AdjustmentEvent.BLOCK_DECREMENT: // Scrollbar was decreased by one block break; case AdjustmentEvent.TRACK: // The knob on the scrollbar was dragged break; } // Get current value int value = evt.getValue(); headerPanelLeft.setAdjustment(value); headerPanelRight.setAdjustment(value); }
/** * Converts a new event to an old one (used for compatibility). If the new event cannot be * converted (because no old equivalent exists) then this returns null. * * <p>Note: this method is here instead of in each individual new event class in java.awt.event * because we don't want to make it public and it needs to be called from java.awt. */ Event convertToOld() { Object src = getSource(); int newid = id; switch (id) { case KeyEvent.KEY_PRESSED: case KeyEvent.KEY_RELEASED: KeyEvent ke = (KeyEvent) this; if (ke.isActionKey()) { newid = (id == KeyEvent.KEY_PRESSED ? Event.KEY_ACTION : Event.KEY_ACTION_RELEASE); } int keyCode = ke.getKeyCode(); if (keyCode == KeyEvent.VK_SHIFT || keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_ALT) { return null; // suppress modifier keys in old event model. } // no mask for button1 existed in old Event - strip it out return new Event( src, ke.getWhen(), newid, 0, 0, Event.getOldEventKey(ke), (ke.getModifiers() & ~InputEvent.BUTTON1_MASK)); case MouseEvent.MOUSE_PRESSED: case MouseEvent.MOUSE_RELEASED: case MouseEvent.MOUSE_MOVED: case MouseEvent.MOUSE_DRAGGED: case MouseEvent.MOUSE_ENTERED: case MouseEvent.MOUSE_EXITED: MouseEvent me = (MouseEvent) this; // no mask for button1 existed in old Event - strip it out Event olde = new Event( src, me.getWhen(), newid, me.getX(), me.getY(), 0, (me.getModifiers() & ~InputEvent.BUTTON1_MASK)); olde.clickCount = me.getClickCount(); return olde; case FocusEvent.FOCUS_GAINED: return new Event(src, Event.GOT_FOCUS, null); case FocusEvent.FOCUS_LOST: return new Event(src, Event.LOST_FOCUS, null); case WindowEvent.WINDOW_CLOSING: case WindowEvent.WINDOW_ICONIFIED: case WindowEvent.WINDOW_DEICONIFIED: return new Event(src, newid, null); case ComponentEvent.COMPONENT_MOVED: if (src instanceof Frame || src instanceof Dialog) { Point p = ((Component) src).getLocation(); return new Event(src, 0, Event.WINDOW_MOVED, p.x, p.y, 0, 0); } break; case ActionEvent.ACTION_PERFORMED: ActionEvent ae = (ActionEvent) this; String cmd; if (src instanceof Button) { cmd = ((Button) src).getLabel(); } else if (src instanceof MenuItem) { cmd = ((MenuItem) src).getLabel(); } else { cmd = ae.getActionCommand(); } return new Event(src, 0, newid, 0, 0, 0, ae.getModifiers(), cmd); case ItemEvent.ITEM_STATE_CHANGED: ItemEvent ie = (ItemEvent) this; Object arg; if (src instanceof List) { newid = (ie.getStateChange() == ItemEvent.SELECTED ? Event.LIST_SELECT : Event.LIST_DESELECT); arg = ie.getItem(); } else { newid = Event.ACTION_EVENT; if (src instanceof Choice) { arg = ie.getItem(); } else { // Checkbox arg = new Boolean(ie.getStateChange() == ItemEvent.SELECTED); } } return new Event(src, newid, arg); case AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED: AdjustmentEvent aje = (AdjustmentEvent) this; switch (aje.getAdjustmentType()) { case AdjustmentEvent.UNIT_INCREMENT: newid = Event.SCROLL_LINE_DOWN; break; case AdjustmentEvent.UNIT_DECREMENT: newid = Event.SCROLL_LINE_UP; break; case AdjustmentEvent.BLOCK_INCREMENT: newid = Event.SCROLL_PAGE_DOWN; break; case AdjustmentEvent.BLOCK_DECREMENT: newid = Event.SCROLL_PAGE_UP; break; case AdjustmentEvent.TRACK: if (aje.getValueIsAdjusting()) { newid = Event.SCROLL_ABSOLUTE; } else { newid = Event.SCROLL_END; } break; default: return null; } return new Event(src, newid, new Integer(aje.getValue())); default: } return null; }
public void adjustmentValueChanged(AdjustmentEvent e) { if (e.getValueIsAdjusting()) { devArray[id].lastSetVal = e.getValue(); } }