本文整理匯總了Java中java.awt.Adjustable.getVisibleAmount方法的典型用法代碼示例。如果您正苦於以下問題：Java Adjustable.getVisibleAmount方法的具體用法？Java Adjustable.getVisibleAmount怎麽用？Java Adjustable.getVisibleAmount使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.Adjustable的用法示例。
在下文中一共展示了Adjustable.getVisibleAmount方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: scrollAdjustable
import java.awt.Adjustable; //導入方法依賴的package包/類
public static void scrollAdjustable(Adjustable adj, int amount) {
if (log.isLoggable(PlatformLogger.Level.FINE)) {
if (adj == null) {
log.fine("Assertion (adj != null) failed");
}
if (amount == 0) {
log.fine("Assertion (amount != 0) failed");
}
}
int current = adj.getValue();
int upperLimit = adj.getMaximum() - adj.getVisibleAmount();
if (log.isLoggable(PlatformLogger.Level.FINER)) {
log.finer("doScrolling by " + amount);
}
if (amount > 0 && current < upperLimit) { // still some room to scroll
// down
if (current + amount < upperLimit) {
adj.setValue(current + amount);
return;
}
else {
adj.setValue(upperLimit);
return;
}
}
else if (amount < 0 && current > adj.getMinimum()) { // still some room
// to scroll up
if (current + amount > adj.getMinimum()) {
adj.setValue(current + amount);
return;
}
else {
adj.setValue(adj.getMinimum());
return;
}
}
}
示例2: adjustmentValueChanged
import java.awt.Adjustable; //導入方法依賴的package包/類
public void adjustmentValueChanged(AdjustmentEvent e) {
Adjustable bar = e.getAdjustable();
int currentMaximum = bar.getMaximum();
if (bar.getMaximum() == _lastMaximum) {
return; // nothing to do, the adjustable has not expanded
}
int bottom = bar.getValue() + bar.getVisibleAmount();
if (bottom + bar.getUnitIncrement() >= _lastMaximum) {
bar.setValue(bar.getMaximum()); // use the most recent maximum
}
_lastMaximum = currentMaximum;
}
示例3: scrollAdjustable
import java.awt.Adjustable; //導入方法依賴的package包/類
public static void scrollAdjustable(Adjustable adj, int amount) {
if (log.isLoggable(PlatformLogger.FINE)) {
if (adj == null) {
log.fine("Assertion (adj != null) failed");
}
if (amount == 0) {
log.fine("Assertion (amount != 0) failed");
}
}
int current = adj.getValue();
int upperLimit = adj.getMaximum() - adj.getVisibleAmount();
if (log.isLoggable(PlatformLogger.FINER)) {
log.finer("doScrolling by " + amount);
}
if (amount > 0 && current < upperLimit) { // still some room to scroll
// down
if (current + amount < upperLimit) {
adj.setValue(current + amount);
return;
}
else {
adj.setValue(upperLimit);
return;
}
}
else if (amount < 0 && current > adj.getMinimum()) { // still some room
// to scroll up
if (current + amount > adj.getMinimum()) {
adj.setValue(current + amount);
return;
}
else {
adj.setValue(adj.getMinimum());
return;
}
}
}
示例4: isAtMaximum
import java.awt.Adjustable; //導入方法依賴的package包/類
/**
* Check if a scroll bar is at its maximum value.
*
* @param bar scroll bar
* @return <code>true</code> if the scrollbar is at its maximum value
* location, <code>false</code>otherwise
*/
private boolean isAtMaximum(Adjustable bar) {
return (bar.getValue() + bar.getVisibleAmount() >= bar.getMaximum());
}