Commit d857a08c authored by Valérie Maquil's avatar Valérie Maquil

added methods for the spatial positioning manager

parent 93b096f2
......@@ -284,7 +284,10 @@ public class SpatialMatrix {
* are tied.
*/
public TangibleObject getLeftMostObject() {
return horizontal.get(0);
if (horizontal.size() > 0)
return horizontal.get(0);
return null;
}
/**
......@@ -295,7 +298,10 @@ public class SpatialMatrix {
* tied.
*/
public TangibleObject getRightMostObject() {
return horizontal.get(horizontal.size() - 1);
if (horizontal.size() > 0)
return horizontal.get(horizontal.size() - 1);
return null;
}
/**
......@@ -306,7 +312,10 @@ public class SpatialMatrix {
* are tied.
*/
public TangibleObject getTopObject() {
return vertical.get(0);
if (vertical.size() > 0)
return vertical.get(0);
return null;
}
/**
......@@ -317,7 +326,10 @@ public class SpatialMatrix {
* tied.
*/
public TangibleObject getBottomObject() {
return vertical.get(vertical.size() - 1);
if (vertical.size() > 0)
return vertical.get(vertical.size() - 1);
return null;
}
/**
......
......@@ -164,9 +164,22 @@ public class SpatialPositioningManager implements SpatialEventListener {
* are tied.
*/
public BaseWidget getLeftMostWidget() {
if (spatialMatrix.getLeftMostObject() == null)
return null;
return TangibleObjectManager.getWidget(spatialMatrix.getLeftMostObject().getObjectId());
}
/**
* The method will return the left-most tangible object.
*
* @return The object with the smallest x coordinate.
*/
public TangibleObject getLeftMostObject() {
return spatialMatrix.getLeftMostObject();
}
/**
* The method will return the right-most widget, that is, the last widget found based based on
* its x-axis coordinate. The retrieval is based on the underlying handles.
......@@ -175,9 +188,21 @@ public class SpatialPositioningManager implements SpatialEventListener {
* tied.
*/
public BaseWidget getRightMostWidget() {
if (spatialMatrix.getRightMostObject() == null)
return null;
return TangibleObjectManager.getWidget(spatialMatrix.getRightMostObject().getObjectId());
}
/**
* The method will return the right-most tangible object.
*
* @return The object with the largest x coordinate.
*/
public TangibleObject getRightMostObject() {
return spatialMatrix.getRightMostObject();
}
/**
* The method will return the top-most widget, that is, the first widget found based based on
* its y-axis coordinate. The retrieval is based on the underlying handles.
......@@ -186,9 +211,21 @@ public class SpatialPositioningManager implements SpatialEventListener {
* are tied.
*/
public BaseWidget getTopWidget() {
if (spatialMatrix.getTopObject() == null)
return null;
return TangibleObjectManager.getWidget(spatialMatrix.getTopObject().getObjectId());
}
/**
* The method will return the top-most tangible object.
*
* @return The object with the smallest y coordinate.
*/
public TangibleObject getTopObject() {
return spatialMatrix.getTopObject();
}
/**
* The method will return the bottom-most widget, that is, the last widget found based based on
* its y-axis coordinate. The retrieval is based on the underlying handles.
......@@ -197,9 +234,21 @@ public class SpatialPositioningManager implements SpatialEventListener {
* tied.
*/
public BaseWidget getBottomWidget() {
if (spatialMatrix.getBottomObject() == null)
return null;
return TangibleObjectManager.getWidget(spatialMatrix.getBottomObject().getObjectId());
}
/**
* The method will return the bottom-most tangible object.
*
* @return The object with the largest y coordinate.
*/
public TangibleObject getBottomObject() {
return spatialMatrix.getBottomObject();
}
/**
* Method for returning a list of widgets that are to the left of a given widget. The method
* either returns all objects no matter their alignment with this widget, or only returns
......
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