/*
* Copyright 2003-2011 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.nodeEditor.cellProviders;
import jetbrains.mps.internal.collections.runtime.IterableUtils;
import jetbrains.mps.nodeEditor.AbstractCellProvider;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.SubstituteInfo;
import jetbrains.mps.openapi.editor.update.AttributeKind;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SNode;
public abstract class CellProviderWithRole extends AbstractCellProvider {
protected String myNoTargetText;
protected EditorContext myEditorContext;
// auxiliary cell provider, which may help to create some parts of resulting cell (used in inheritors)
@Deprecated
protected AbstractCellProvider myAuxiliaryCellProvider;
// if the cell to provide "allows" "empty" target of its relation.
// The exact meaning of what is "empty" and what is "to allow"
// may differ among different inheritors of this class.
//
// Default value is false.
protected boolean myAllowsEmptyTarget = false;
// if the cell to provide is read-only
protected boolean myReadOnly = false;
//it is important for descendants to have a unique constructor and with the same parameters as this one
public CellProviderWithRole(@NotNull SNode node, EditorContext context) {
super(node);
myEditorContext = context;
}
public EditorContext getEditorContext() {
return myEditorContext;
}
//sets a role object for this provider
public abstract void setRole(Object role);
//gets an attribute for this provider's node hanging on this provider's role
public SNode getRoleAttribute() {
// todo: why only first?
return IterableUtils.first(getRoleAttributes());
}
//gets an attribute for this provider's node hanging on this provider's role
public abstract Iterable<SNode> getRoleAttributes();
// gets a kind of attributes possibly hanging on this provider's role.
public abstract AttributeKind getRoleAttributeKind();
public abstract SubstituteInfo createDefaultSubstituteInfo();
//sets a text to show in a cell if no target can be obtained by role
public void setNoTargetText(String text) {
myNoTargetText = text;
}
public void setReadOnly(boolean readOnly) {
myReadOnly = readOnly;
}
public boolean isReadOnly() {
return myReadOnly;
}
public boolean allowsEmptyTarget() {
return myAllowsEmptyTarget;
}
public void setAllowsEmptyTarget(boolean allowsEmptyTarget) {
myAllowsEmptyTarget = allowsEmptyTarget;
}
/**
* @deprecated Since MPS 3.5 not used
*/
@Deprecated
public void setAuxiliaryCellProvider(AbstractCellProvider provider) {
myAuxiliaryCellProvider = provider;
}
/**
* @deprecated Since MPS 3.5 not used
*/
@Deprecated
public AbstractCellProvider getAuxiliaryCellProvider() {
return myAuxiliaryCellProvider;
}
}