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/*
* Copyright 2000-2009 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 com.intellij.uiDesigner.compiler;
import com.intellij.uiDesigner.core.GridConstraints;
import com.intellij.uiDesigner.lw.LwComponent;
import com.intellij.uiDesigner.lw.LwContainer;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
import org.jetbrains.asm4.Opcodes;
import org.jetbrains.asm4.Type;
import org.jetbrains.asm4.commons.GeneratorAdapter;
import org.jetbrains.asm4.commons.Method;
import java.awt.*;
/**
* @author yole
*/
public class FormLayoutCodeGenerator extends LayoutCodeGenerator {
private static final Type ourFormLayoutType = Type.getType(FormLayout.class);
private static final Type ourCellConstraintsType = Type.getType(CellConstraints.class);
private static final Type ourCellAlignmentType = Type.getType(CellConstraints.Alignment.class);
private static final Method ourFormLayoutConstructor = Method.getMethod("void <init>(java.lang.String,java.lang.String)");
private static final Method ourCellConstraintsConstructor = Method.getMethod("void <init>(int,int,int,int,com.jgoodies.forms.layout.CellConstraints$Alignment,com.jgoodies.forms.layout.CellConstraints$Alignment,java.awt.Insets)");
private static final Method ourSetRowGroupsMethod = Method.getMethod("void setRowGroups(int[][])");
private static final Method ourSetColumnGroupsMethod = Method.getMethod("void setColumnGroups(int[][])");
public static String[] HORZ_ALIGN_FIELDS = new String[] { "LEFT", "CENTER", "RIGHT", "FILL" };
public static String[] VERT_ALIGN_FIELDS = new String[] { "TOP", "CENTER", "BOTTOM", "FILL" };
public void generateContainerLayout(final LwContainer lwContainer, final GeneratorAdapter generator, final int componentLocal) {
FormLayout formLayout = (FormLayout) lwContainer.getLayout();
generator.loadLocal(componentLocal);
generator.newInstance(ourFormLayoutType);
generator.dup();
generator.push(FormLayoutUtils.getEncodedColumnSpecs(formLayout));
generator.push(FormLayoutUtils.getEncodedRowSpecs(formLayout));
generator.invokeConstructor(ourFormLayoutType, ourFormLayoutConstructor);
generateGroups(generator, formLayout.getRowGroups(), ourSetRowGroupsMethod);
generateGroups(generator, formLayout.getColumnGroups(), ourSetColumnGroupsMethod);
generator.invokeVirtual(ourContainerType, ourSetLayoutMethod);
}
private static void generateGroups(final GeneratorAdapter generator, final int[][] groups, final Method setGroupsMethod) {
if (groups.length == 0) return;
int groupLocal = generator.newLocal(Type.getType("[I"));
generator.dup(); // duplicate FormLayout reference
generator.push(groups.length);
generator.newArray(Type.getType("[I"));
for(int i=0; i<groups.length; i++) {
generator.dup();
generator.push(groups [i].length);
generator.newArray(Type.INT_TYPE);
generator.storeLocal(groupLocal);
for(int j=0; j<groups [i].length; j++) {
generator.loadLocal(groupLocal);
generator.push(j);
generator.push(groups [i][j]);
generator.visitInsn(Opcodes.IASTORE);
}
generator.push(i);
generator.loadLocal(groupLocal);
generator.visitInsn(Opcodes.AASTORE);
}
generator.invokeVirtual(ourFormLayoutType, setGroupsMethod);
}
public void generateComponentLayout(final LwComponent lwComponent, final GeneratorAdapter generator, final int componentLocal, final int parentLocal) {
generator.loadLocal(parentLocal);
generator.loadLocal(componentLocal);
addNewCellConstraints(generator, lwComponent);
generator.invokeVirtual(ourContainerType, ourAddMethod);
}
private static void addNewCellConstraints(final GeneratorAdapter generator, final LwComponent lwComponent) {
final GridConstraints constraints = lwComponent.getConstraints();
final CellConstraints cc = (CellConstraints) lwComponent.getCustomLayoutConstraints();
generator.newInstance(ourCellConstraintsType);
generator.dup();
generator.push(constraints.getColumn()+1);
generator.push(constraints.getRow()+1);
generator.push(constraints.getColSpan());
generator.push(constraints.getRowSpan());
if (cc.hAlign == CellConstraints.DEFAULT) {
generator.getStatic(ourCellConstraintsType, "DEFAULT", ourCellAlignmentType);
}
else {
int hAlign = Utils.alignFromConstraints(constraints, true);
generator.getStatic(ourCellConstraintsType, HORZ_ALIGN_FIELDS[hAlign], ourCellAlignmentType);
}
if (cc.vAlign == CellConstraints.DEFAULT) {
generator.getStatic(ourCellConstraintsType, "DEFAULT", ourCellAlignmentType);
}
else {
int vAlign = Utils.alignFromConstraints(constraints, false);
generator.getStatic(ourCellConstraintsType, VERT_ALIGN_FIELDS[vAlign], ourCellAlignmentType);
}
AsmCodeGenerator.pushPropValue(generator, Insets.class.getName(), cc.insets);
generator.invokeConstructor(ourCellConstraintsType, ourCellConstraintsConstructor);
}
}
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