下面列出了java.awt.dnd.DropTargetListener#dragOver ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
DropTargetContextAccessor acc =
AWTAccessor.getDropTargetContextAccessor();
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
acc.reset(currentDTC);
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
acc.reset(currentDTC);
}
currentDTC = dtc;
acc.setDropTargetContextPeer(currentDTC, this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
DropTargetContextAccessor acc =
AWTAccessor.getDropTargetContextAccessor();
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
acc.reset(currentDTC);
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
acc.reset(currentDTC);
}
currentDTC = dtc;
acc.setDropTargetContextPeer(currentDTC, this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}
/**
*
*/
protected void processMotionMessage(SunDropTargetEvent event,
boolean operationChanged) {
Component c = (Component)event.getSource();
Point hots = event.getPoint();
int id = event.getID();
DropTarget dt = c.getDropTarget();
DropTargetContext dtc = null;
if (c.isShowing() && (dt != null) && dt.isActive()) {
if (currentDT != dt) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDT = dt;
currentDTC = null;
}
dtc = currentDT.getDropTargetContext();
if (dtc != currentDTC) {
if (currentDTC != null) {
currentDTC.removeNotify();
}
currentDTC = dtc;
currentDTC.addNotify(this);
}
currentA = currentDT.getDefaultActions();
try {
DropTargetDragEvent dtde = new DropTargetDragEvent(dtc,
hots,
currentDA,
currentSA);
DropTargetListener dtl = (DropTargetListener)dt;
if (operationChanged) {
dtl.dropActionChanged(dtde);
} else {
dtl.dragOver(dtde);
}
if (dragRejected) {
currentDA = DnDConstants.ACTION_NONE;
}
} catch (Exception e) {
e.printStackTrace();
currentDA = DnDConstants.ACTION_NONE;
}
} else {
currentDA = DnDConstants.ACTION_NONE;
}
}