| 1 | /** |
| 2 | * |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.dialogs.variableusage; |
| 5 | |
| 6 | import org.eclipse.emf.common.util.EList; |
| 7 | import org.eclipse.jface.viewers.ITreeContentProvider; |
| 8 | import org.eclipse.jface.viewers.Viewer; |
| 9 | |
| 10 | import de.uka.ipd.sdq.pcm.dialogs.datatype.DataTypeContainer; |
| 11 | import de.uka.ipd.sdq.pcm.dialogs.datatype.InnerDeclarationContainer; |
| 12 | import de.uka.ipd.sdq.pcm.repository.CollectionDataType; |
| 13 | import de.uka.ipd.sdq.pcm.repository.CompositeDataType; |
| 14 | import de.uka.ipd.sdq.pcm.repository.DataType; |
| 15 | import de.uka.ipd.sdq.pcm.repository.InnerDeclaration; |
| 16 | import de.uka.ipd.sdq.pcm.repository.Parameter; |
| 17 | import de.uka.ipd.sdq.pcm.repository.PrimitiveDataType; |
| 18 | import de.uka.ipd.sdq.pcm.repository.Signature; |
| 19 | import de.uka.ipd.sdq.pcm.seff.ResourceDemandingSEFF; |
| 20 | |
| 21 | /** |
| 22 | * @author admin |
| 23 | * |
| 24 | */ |
| 25 | public class VariableUsageContentProvider implements ITreeContentProvider { |
| 26 | |
| 27 | /* (non-Javadoc) |
| 28 | * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| 29 | */ |
| 30 | public Object[] getElements(Object inputElement) { |
| 31 | if (inputElement instanceof Signature) { |
| 32 | return getChildren(inputElement); |
| 33 | } |
| 34 | return null; |
| 35 | } |
| 36 | |
| 37 | /* (non-Javadoc) |
| 38 | * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| 39 | */ |
| 40 | public void dispose() { |
| 41 | // TODO Auto-generated method stub |
| 42 | } |
| 43 | |
| 44 | /* (non-Javadoc) |
| 45 | * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| 46 | */ |
| 47 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| 48 | // TODO Auto-generated method stub |
| 49 | } |
| 50 | |
| 51 | /* (non-Javadoc) |
| 52 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| 53 | */ |
| 54 | public Object[] getChildren(Object parent) { |
| 55 | /** |
| 56 | * SEFF |
| 57 | */ |
| 58 | if (parent instanceof ResourceDemandingSEFF) { |
| 59 | ResourceDemandingSEFF seff = (ResourceDemandingSEFF) parent; |
| 60 | return new Object[] {seff.getDescribedService__SEFF()}; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Parameter |
| 65 | */ |
| 66 | if (parent instanceof Parameter) { |
| 67 | Parameter parameter = (Parameter) parent; |
| 68 | DataType dataType = (DataType) parameter.getDataType__Parameter(); |
| 69 | |
| 70 | if (dataType instanceof CompositeDataType) { |
| 71 | return getCompositeTypeElements(dataType, parameter); |
| 72 | } |
| 73 | else if (dataType instanceof CollectionDataType) { |
| 74 | return new Object[] {new DataTypeContainer(((CollectionDataType)dataType).getInnerType_CollectionDataType(),parent)}; |
| 75 | } |
| 76 | else |
| 77 | return new Object[]{}; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * TreeType |
| 82 | */ |
| 83 | if (parent instanceof DataTypeContainer) { |
| 84 | DataType innerType = getTreeTypeInner(parent); |
| 85 | |
| 86 | if (innerType instanceof PrimitiveDataType) |
| 87 | return new Object[0]; |
| 88 | |
| 89 | if (innerType instanceof CompositeDataType) |
| 90 | return getCompositeTypeElements(innerType,parent); |
| 91 | |
| 92 | return new Object[] { new DataTypeContainer(innerType,parent) }; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * TreeDeclaration |
| 97 | */ |
| 98 | if (parent instanceof InnerDeclarationContainer) { |
| 99 | DataType innerType = getTreeDeclarationInner(parent); |
| 100 | |
| 101 | if (innerType instanceof CompositeDataType) { |
| 102 | return getCompositeTypeElements(innerType, parent); |
| 103 | } |
| 104 | |
| 105 | CollectionDataType collDataType = (CollectionDataType) innerType; |
| 106 | return new Object[] { new DataTypeContainer(collDataType |
| 107 | .getInnerType_CollectionDataType(),parent) }; |
| 108 | } |
| 109 | |
| 110 | return new Object[0]; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @return - return the DataType from InnerDeclaration of |
| 115 | * TreeDeclaration-Object |
| 116 | */ |
| 117 | private DataType getTreeDeclarationInner(Object parent) { |
| 118 | InnerDeclarationContainer treeDeclaration = (InnerDeclarationContainer) parent; |
| 119 | InnerDeclaration declaration = (InnerDeclaration) treeDeclaration |
| 120 | .getObject(); |
| 121 | return declaration.getDatatype_InnerDeclaration(); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * @return - return the DataType from inner collection datatype of |
| 126 | * TreeType-Object |
| 127 | */ |
| 128 | private DataType getTreeTypeInner(Object parent) { |
| 129 | DataTypeContainer treeType = (DataTypeContainer) parent; |
| 130 | DataType dataType = (DataType) treeType.getObject(); |
| 131 | |
| 132 | if (dataType instanceof PrimitiveDataType) { |
| 133 | return dataType; |
| 134 | |
| 135 | } |
| 136 | CollectionDataType collDataType = (CollectionDataType) dataType; |
| 137 | return collDataType.getInnerType_CollectionDataType(); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * TODO |
| 142 | * |
| 143 | * @return - array of TreeDeclaration from composite datatype |
| 144 | */ |
| 145 | private Object[] getCompositeTypeElements(DataType dataType, Object parent) { |
| 146 | CompositeDataType compDataType = (CompositeDataType) dataType; |
| 147 | EList<InnerDeclaration> list = compDataType |
| 148 | .getInnerDeclaration_CompositeDataType(); |
| 149 | Object[] objects = new Object[list.size()]; |
| 150 | |
| 151 | int i = 0; |
| 152 | |
| 153 | for (InnerDeclaration inner : list) |
| 154 | objects[i++] = new InnerDeclarationContainer(inner, parent); |
| 155 | |
| 156 | return objects; |
| 157 | } |
| 158 | |
| 159 | /* (non-Javadoc) |
| 160 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| 161 | */ |
| 162 | public Object getParent(Object element) { |
| 163 | // TODO Auto-generated method stub |
| 164 | return null; |
| 165 | } |
| 166 | |
| 167 | /* (non-Javadoc) |
| 168 | * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| 169 | */ |
| 170 | public boolean hasChildren(Object element) { |
| 171 | |
| 172 | if (element instanceof Parameter) { |
| 173 | Parameter parameter = (Parameter) element; |
| 174 | DataType dataType = parameter.getDataType__Parameter(); |
| 175 | return hasChildren(dataType); |
| 176 | } |
| 177 | |
| 178 | if (element instanceof DataTypeContainer){ |
| 179 | DataType innerType = getTreeTypeInner(element); |
| 180 | return hasChildren(innerType); |
| 181 | } |
| 182 | |
| 183 | if (element instanceof InnerDeclarationContainer){ |
| 184 | DataType dataType = getTreeDeclarationInner(element); |
| 185 | return hasChildren(dataType); |
| 186 | } |
| 187 | |
| 188 | if (element instanceof PrimitiveDataType) |
| 189 | return false; |
| 190 | |
| 191 | return true; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | |
| 196 | |
| 197 | |