protected void onScaleChanged() {
if (mapBackground != null && currentPoint != null) {
final double latitude = DataProvider.LATITUDE.getValue(currentPoint) + panLatitude;
final double longitude = DataProvider.LONGITUDE.getValue(currentPoint) + panLong;
super.onScaleChanged(
mapBackground.getScaleX(), mapBackground.getScaleY(latitude), longitude, latitude);
} else {
super.onScaleChanged();
}
final double widthInMeter =
Utils.distance(
getYAxis().minValue, getXAxis().maxValue, getYAxis().maxValue, getXAxis().maxValue);
if (widthInMeter < 1) {
scaleSizeInPixel = 0;
return;
}
final double availableLengthInMeter = widthInMeter * 0.9;
scaleConfiguration =
Preferences.getInstance().getUnitsConverter().getScaleDistance(availableLengthInMeter);
scaleSizeInPixel = (int) ((scaleConfiguration.lengthInSourceUnits / widthInMeter) * width);
}
/*
* This resets the map whenever reset is selected.
*/
public void reset() {
mapPanel.clearList();
pane.getHorizontalScrollBar().setValue(0);
pane.getVerticalScrollBar().setValue(0);
list1.setSelectedIndex(0);
list2.setSelectedIndex(0);
mapPanel.repaint();
}
public void setMapBackground(final MapBackground background) {
if (mapBackground != null) {
mapBackground.stop();
}
if (background != null) {
background.setMainCanvas(mainCanvas);
background.start();
}
mapBackground = background;
onScaleChanged();
}
/*
* Creates the map panel to display the campus map.
*/
public void setMapPanel() {
mapPanel = new MapBackground();
mapPanel.setPreferredSize(new Dimension(WIDTH - 15, HEIGHT - 100));
// Create a scroll pane then add in mapPanel
pane = new JScrollPane(mapPanel);
pane.setPreferredSize(new Dimension(WIDTH - 15, HEIGHT - 100));
}
protected void doPaintBackground(final Graphics g) {
if (mapBackground != null) {
mapBackground.paint(
g,
DataProvider.LONGITUDE.getValue(currentPoint) + panLong,
DataProvider.LATITUDE.getValue(currentPoint) + panLatitude,
(width - getMarginLeft() - getMarginRight()) / 2 + getMarginLeft(),
(height - getMarginTop() - getMarginBottom()) / 2 + getMarginTop());
}
}
/*
* Sets up a combo box with a list of all the UW buildings
* The buildings are sorted alphabetically by abbreviated name
*/
public void setList(JComboBox<String> list) {
Map<String, String> map = mapPanel.buildingNames();
// list = new JComboBox<String>();
list.setPreferredSize(new Dimension(360, 30));
Set<String> abbreviated = new TreeSet<String>(map.keySet());
for (String str : abbreviated) {
String name = str + ": " + map.get(str);
list.addItem(name);
}
}
/*
* When the 'find path' button is selected, this handles actually finding and
* displaying the path for the two given buildings.
*/
public void findPath() {
// Get the starting location and destination from the combo boxes
String start = String.valueOf(list1.getSelectedItem());
String end = String.valueOf(list2.getSelectedItem());
// Before new path is displayed, the old path must be removed
mapPanel.clearList();
// This handles calling the appropriate methods which will get the right
// data and draw the paths on the map
mapPanel.setLocations(start, end);
mapPanel.getList();
setHorizBar(mapPanel.horizontalPos());
setVertBar(mapPanel.verticalPos());
// Must repaint for the paths to show up immediately!!
mapPanel.repaint();
}