/**
* TList shows a list of strings, and lets the user select one.
*/
-public class TList extends TWidget {
+public class TList extends TScrollableWidget {
/**
* The list of strings to display.
public final void setList(final List<String> list) {
strings.clear();
strings.addAll(list);
- reflow();
- }
-
- /**
- * Vertical scrollbar.
- */
- private TVScroller vScroller;
-
- /**
- * Get the vertical scrollbar. This is used by subclasses.
- *
- * @return the vertical scrollbar
- */
- public final TVScroller getVScroller() {
- return vScroller;
- }
-
- /**
- * Horizontal scrollbar.
- */
- private THScroller hScroller;
-
- /**
- * Get the horizontal scrollbar. This is used by subclasses.
- *
- * @return the horizontal scrollbar
- */
- public final THScroller getHScroller() {
- return hScroller;
+ reflowData();
}
/**
/**
* Resize for a new width/height.
*/
- public void reflow() {
+ @Override
+ public void reflowData() {
// Reset the lines
selectedString = -1;
}
}
- // Start at the top
- if (vScroller == null) {
- vScroller = new TVScroller(this, getWidth() - 1, 0,
- getHeight() - 1);
- } else {
- vScroller.setX(getWidth() - 1);
- vScroller.setHeight(getHeight() - 1);
+ setBottomValue(strings.size() - getHeight() + 1);
+ if (getBottomValue() < 0) {
+ setBottomValue(0);
}
- vScroller.setBottomValue(strings.size() - getHeight() + 1);
- vScroller.setTopValue(0);
- vScroller.setValue(0);
- if (vScroller.getBottomValue() < 0) {
- vScroller.setBottomValue(0);
- }
- vScroller.setBigChange(getHeight() - 1);
- // Start at the left
- if (hScroller == null) {
- hScroller = new THScroller(this, 0, getHeight() - 1,
- getWidth() - 1);
- } else {
- hScroller.setY(getHeight() - 1);
- hScroller.setWidth(getWidth() - 1);
- }
- hScroller.setRightValue(maxLineWidth - getWidth() + 1);
- hScroller.setLeftValue(0);
- hScroller.setValue(0);
- if (hScroller.getRightValue() < 0) {
- hScroller.setRightValue(0);
+ setRightValue(maxLineWidth - getWidth() + 1);
+ if (getRightValue() < 0) {
+ setRightValue(0);
}
- hScroller.setBigChange(getWidth() - 1);
}
/**
if (strings != null) {
this.strings.addAll(strings);
}
- reflow();
+
+ hScroller = new THScroller(this, 0, getHeight() - 1, getWidth() - 1);
+ vScroller = new TVScroller(this, getWidth() - 1, 0, getHeight() - 1);
+ reflowData();
}
/**
if (strings != null) {
this.strings.addAll(strings);
}
- reflow();
+
+ hScroller = new THScroller(this, 0, getHeight() - 1, getWidth() - 1);
+ vScroller = new TVScroller(this, getWidth() - 1, 0, getHeight() - 1);
+ reflowData();
}
/**
@Override
public void draw() {
CellAttributes color = null;
- int begin = vScroller.getValue();
+ int begin = getVerticalValue();
int topY = 0;
for (int i = begin; i < strings.size(); i++) {
String line = strings.get(i);
- if (hScroller.getValue() < line.length()) {
- line = line.substring(hScroller.getValue());
+ if (getHorizontalValue() < line.length()) {
+ line = line.substring(getHorizontalValue());
} else {
line = "";
}
@Override
public void onMouseDown(final TMouseEvent mouse) {
if (mouse.isMouseWheelUp()) {
- vScroller.decrement();
+ verticalDecrement();
return;
}
if (mouse.isMouseWheelDown()) {
- vScroller.increment();
+ verticalIncrement();
return;
}
if ((mouse.getX() < getWidth() - 1)
&& (mouse.getY() < getHeight() - 1)) {
- if (vScroller.getValue() + mouse.getY() < strings.size()) {
- selectedString = vScroller.getValue() + mouse.getY();
+ if (getVerticalValue() + mouse.getY() < strings.size()) {
+ selectedString = getVerticalValue() + mouse.getY();
+ dispatchEnter();
}
- dispatchEnter();
return;
}
@Override
public void onKeypress(final TKeypressEvent keypress) {
if (keypress.equals(kbLeft)) {
- hScroller.decrement();
+ horizontalDecrement();
} else if (keypress.equals(kbRight)) {
- hScroller.increment();
+ horizontalIncrement();
} else if (keypress.equals(kbUp)) {
if (strings.size() > 0) {
if (selectedString >= 0) {
if (selectedString > 0) {
- if (selectedString - vScroller.getValue() == 0) {
- vScroller.decrement();
+ if (selectedString - getVerticalValue() == 0) {
+ verticalDecrement();
}
selectedString--;
}
if (selectedString >= 0) {
if (selectedString < strings.size() - 1) {
selectedString++;
- if (selectedString - vScroller.getValue() == getHeight() - 1) {
- vScroller.increment();
+ if (selectedString - getVerticalValue() == getHeight() - 1) {
+ verticalIncrement();
}
}
} else {
dispatchMove();
}
} else if (keypress.equals(kbPgUp)) {
- vScroller.bigDecrement();
+ bigVerticalDecrement();
if (selectedString >= 0) {
selectedString -= getHeight() - 1;
if (selectedString < 0) {
dispatchMove();
}
} else if (keypress.equals(kbPgDn)) {
- vScroller.bigIncrement();
+ bigVerticalIncrement();
if (selectedString >= 0) {
selectedString += getHeight() - 1;
if (selectedString > strings.size() - 1) {
dispatchMove();
}
} else if (keypress.equals(kbHome)) {
- vScroller.toTop();
+ toTop();
if (strings.size() > 0) {
selectedString = 0;
}
dispatchMove();
}
} else if (keypress.equals(kbEnd)) {
- vScroller.toBottom();
+ toBottom();
if (strings.size() > 0) {
selectedString = strings.size() - 1;
}