/** Special start method for IzPanelLayout. Called from <code>startLayout</code>. */
private void startIzPanelLayout() {
IzPanelLayout.setAnchor(getAnchor());
IzPanelLayout.setXStretchType(getXStretchType());
IzPanelLayout.setYStretchType(getYStretchType());
IzPanelLayout.setFullLineStretch(getFullLineStretch());
IzPanelLayout.setFullColumnStretch(getFullColumnStretch());
getXGap(LABEL_GAP); // This call triggers resolving external setting if not already done.
getYGap(LABEL_GAP); // This call triggers resolving external setting if not already done.
parent.setLayout(izPanelLayout);
// parent.add(IzPanelLayout.createGap(TOP_GAP, VERTICAL));
}
/**
* Returns the gap which should be used between the given gui objects for the y direction. The
* value will be configurable by guiprefs modifiers. Valid values are all entries in the static
* String array Y_GAP_NAME_LOOK_UP of this class. There are constant ints for the indexes of this
* array.
*
* @param gapId index in array GAP_NAME_LOOK_UP for the needed gap
* @return the gap depend on the xml-configurable guiprefs modifier
*/
public int getYGap(int gapId) {
gapId = IzPanelLayout.verifyGapId(gapId);
if (IzPanelLayout.getDefaultYGap(GAP_LOAD_MARKER) >= 0) {
return (IzPanelLayout.getDefaultYGap(gapId));
}
if (!(installData instanceof GUIInstallData)) {
return (IzPanelLayout.getDefaultYGap(gapId));
}
String var;
GUIInstallData id = (GUIInstallData) installData;
int commonDefault = -1;
if (id.guiPrefs.modifier.containsKey(ALL_Y_GAP)) {
try {
commonDefault = Integer.parseInt(id.guiPrefs.modifier.get(ALL_Y_GAP));
} catch (NumberFormatException nfe) {
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
for (int i = 0; i < Y_GAP_NAME_LOOK_UP.length; ++i) {
int currentDefault = 0;
if (commonDefault >= 0) {
currentDefault = commonDefault;
} else {
var = id.guiPrefs.modifier.get(Y_GAP_NAME_LOOK_UP[i]);
if (var != null) {
try {
currentDefault = Integer.parseInt(var);
} catch (NumberFormatException nfe) {
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
}
IzPanelLayout.setDefaultYGap(currentDefault, i);
}
IzPanelLayout.setDefaultYGap(0, GAP_LOAD_MARKER); // Mark external settings allready
// loaded.
return (IzPanelLayout.getDefaultYGap(gapId));
}
/**
* Creates a new HelloPanel object with the given layout manager. Valid layout manager are the
* IzPanelLayout and the GridBagLayout. New panels should be use the IzPanelLaout. If lm is null,
* no layout manager will be created or initialized.
*
* @param parent The parent IzPack installer frame.
* @param idata The installer internal data.
* @param layout layout manager to be used with this IzPanel
*/
public HelloPanel(InstallerFrame parent, InstallData idata, LayoutManager2 layout) {
// Layout handling. This panel was changed from a mixed layout handling
// with GridBagLayout and BoxLayout to IzPanelLayout. It can be used as an
// example how to use the IzPanelLayout. For this there are some comments
// which are excrescent for a "normal" panel.
// Set a IzPanelLayout as layout for this panel.
// This have to be the first line during layout if IzPanelLayout will be used.
super(parent, idata, layout);
// We create and put the labels
String str;
str =
parent.langpack.getString("HelloPanel.welcome1")
+ idata.info.getAppName()
+ " "
+ idata.info.getAppVersion()
+ parent.langpack.getString("HelloPanel.welcome2");
JLabel welcomeLabel = LabelFactory.create(str, parent.icons.getImageIcon("host"), LEADING);
// IzPanelLayout is a constraint orientated layout manager. But if no constraint is
// given, a default will be used. It starts in the first line.
// NEXT_LINE have to insert also in the first line!!
add(welcomeLabel, NEXT_LINE);
// Yes, there exist also a strut for the IzPanelLayout.
// But the strut will be only used for one cell. A vertical strut will be use
// NEXT_ROW, a horizontal NEXT_COLUMN. For more information see the java doc.
// add(IzPanelLayout.createVerticalStrut(20));
// But for a strut you have to define a fixed height. Alternative it is possible
// to create a paragraph gap which is configurable.
add(IzPanelLayout.createParagraphGap());
ArrayList authors = idata.info.getAuthors();
int size = authors.size();
if (size > 0) {
str = parent.langpack.getString("HelloPanel.authors");
JLabel appAuthorsLabel =
LabelFactory.create(str, parent.icons.getImageIcon("information"), LEADING);
// If nothing will be sad to the IzPanelLayout the position of an add will be
// determined in the default constraint. For labels it is CURRENT_ROW, NEXT_COLUMN.
// But at this point we would place the label in the next row. It is possible
// to create an IzPanelConstraint with this options, but it is also possible to
// use simple the NEXT_LINE object as constraint. Attention!! Do not use
// LayoutConstants.NEXT_ROW else LayoutConstants.NEXT_LINE because NEXT_ROW is an
// int and with it an other add method will be used without any warning (there the
// parameter will be used as position of the component in the panel, not the
// layout manager.
add(appAuthorsLabel, LayoutConstants.NEXT_LINE);
JLabel label;
for (int i = 0; i < size; i++) {
Info.Author a = (Info.Author) authors.get(i);
String email =
(a.getEmail() != null && a.getEmail().length() > 0) ? (" <" + a.getEmail() + ">") : "";
label =
LabelFactory.create(
" - " + a.getName() + email, parent.icons.getImageIcon("empty"), LEADING);
add(label, NEXT_LINE);
}
add(IzPanelLayout.createParagraphGap());
}
if (idata.info.getAppURL() != null) {
str = parent.langpack.getString("HelloPanel.url") + idata.info.getAppURL();
JLabel appURLLabel = LabelFactory.create(str, parent.icons.getImageIcon("bookmark"), LEADING);
add(appURLLabel, LayoutConstants.NEXT_LINE);
}
// At end of layouting we should call the completeLayout method also they do nothing.
getLayoutHelper().completeLayout();
}
