public Object getData(final WModelIndex index, int role) {
if (role != ItemDataRole.DisplayRole) {
return super.getData(index, role);
}
double delta_y = (this.yEnd_ - this.yStart_) / (this.getColumnCount() - 2);
if (index.getRow() == 0) {
if (index.getColumn() == 0) {
return 0.0;
}
return this.yStart_ + (index.getColumn() - 1) * delta_y;
}
double delta_x = (this.xEnd_ - this.xStart_) / (this.getRowCount() - 2);
if (index.getColumn() == 0) {
if (index.getRow() == 0) {
return 0.0;
}
return this.xStart_ + (index.getRow() - 1) * delta_x;
}
double x;
double y;
y = this.yStart_ + (index.getColumn() - 1) * delta_y;
x = this.xStart_ + (index.getRow() - 1) * delta_x;
return 4
* Math.sin(Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)))
/ Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
}
public WModelIndex getIndex(int row, int column, final WModelIndex parent) {
int parentId;
if (!(parent != null)) {
parentId = 0;
} else {
int grandParentId = parent.getInternalId();
parentId = this.getTreeId(grandParentId, parent.getRow());
}
return this.createIndex(row, column, parentId);
}
public int getRowCount(final WModelIndex parent) {
int treeId;
if ((parent != null)) {
if (parent.getColumn() != 0) {
return 0;
}
Git.Object o = this.getObject(parent);
if (o.type == Git.ObjectType.Tree) {
treeId = this.getTreeId(parent.getInternalId(), parent.getRow());
} else {
return 0;
}
} else {
treeId = 0;
}
return this.treeData_.get(treeId).getRowCount();
}
private Git.Object getObject(final WModelIndex index) {
int parentId = index.getInternalId();
final GitModel.Tree parentItem = this.treeData_.get(parentId);
return this.git_.treeGetObject(parentItem.getTreeObject(), index.getRow());
}