/*
* Copyright 2002-2005 Sascha Weinreuter
*
* 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 org.intellij.plugins.xpathView.ui;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.ide.DataManager;
import com.intellij.javaee.ExternalResourceManager;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.fileTypes.LanguageFileType;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.DimensionService;
import com.intellij.openapi.util.Pair;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.psi.xml.XmlElement;
import com.intellij.ui.*;
import com.intellij.util.containers.BidirectionalMap;
import com.intellij.util.ui.PlatformColors;
import com.intellij.util.ui.Table;
import com.intellij.util.ui.UIUtil;
import org.intellij.lang.xpath.XPathFileType;
import org.intellij.lang.xpath.context.*;
import org.intellij.lang.xpath.psi.XPathElement;
import org.intellij.plugins.xpathView.util.MyPsiUtil;
import org.intellij.plugins.xpathView.util.Namespace;
import org.intellij.plugins.xpathView.util.Variable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellEditor;
import javax.xml.namespace.QName;
import java.awt.*;
import java.util.*;
import java.util.List;
import static org.intellij.plugins.xpathView.util.Copyable.Util.copy;
public class EditContextDialog extends DialogWrapper {
private final DimensionService myDimensionService = DimensionService.getInstance();
private final Set<String> myUnresolvedPrefixes;
private final JTable myVariableTable;
private final VariableTableModel myVariableTableModel;
private final JTable myNamespaceTable;
private final NamespaceTableModel myNamespaceTableModel;
private final ContextProvider myContextProvider;
private JBSplitter mySplitter;
public EditContextDialog(Project project,
Set<String> unresolvedPrefixes,
Collection<Namespace> namespaces,
Collection<Variable> variables,
ContextProvider contextProvider) {
super(project, false);
myUnresolvedPrefixes = unresolvedPrefixes;
setTitle("Edit XPath Context");
setModal(true);
myContextProvider = new MyContextProvider(contextProvider);
final List<Variable> m = copy(variables);
myVariableTableModel = new VariableTableModel(m, project, XPathFileType.XPATH);
myVariableTable = new Table(myVariableTableModel);
myVariableTable.setDefaultRenderer(String.class, new VariableCellRenderer(m));
myVariableTable.setDefaultRenderer(Expression.class, new ExpressionCellRenderer(project));
myVariableTable.setDefaultEditor(Expression.class, new ExpressionCellEditor(project));
int width = new JLabel("Name").getPreferredSize().width;
myVariableTable.getColumnModel().getColumn(0).setMinWidth(width);
myVariableTable.getColumnModel().getColumn(0).setMaxWidth(width * 5);
myVariableTable.setPreferredScrollableViewportSize(new Dimension(200, 130));
final List<Namespace> n = copy(namespaces);
myNamespaceTableModel = new NamespaceTableModel(n);
myNamespaceTable = new Table(myNamespaceTableModel);
myNamespaceTable.setDefaultRenderer(String.class, new NamespaceCellRenderer(n));
width = new JLabel("Prefix").getPreferredSize().width;
myNamespaceTable.getColumnModel().getColumn(0).setMinWidth(width);
myNamespaceTable.getColumnModel().getColumn(0).setMaxWidth(width * 4);
myNamespaceTable.setPreferredScrollableViewportSize(new Dimension(200, 150));
init();
}
protected JComponent createCenterPanel() {
final JPanel p = ToolbarDecorator.createDecorator(myVariableTable)
.setAddAction(new AnActionButtonRunnable() {
@Override
public void run(AnActionButton button) {
stopVarEditing();
myVariableTableModel.addVariable();
myNamespaceTable.editCellAt(myVariableTableModel.getRowCount() - 1, 0);
}
}).setRemoveAction(new AnActionButtonRunnable() {
@Override
public void run(AnActionButton button) {
myVariableTableModel.removeVariable(myVariableTable.getSelectedRow());
}
}).disableUpDownActions().createPanel();
UIUtil.addBorder(p, IdeBorderFactory.createTitledBorder("Variables", false));
final JPanel n = ToolbarDecorator.createDecorator(myNamespaceTable)
.setAddAction(myContextProvider.getContextElement() != null ? null : new AnActionButtonRunnable() {
@Override
public void run(AnActionButton button) {
final ExternalResourceManager erm = ExternalResourceManager.getInstance();
final List<String> allURIs = new ArrayList<>(Arrays.asList(erm.getResourceUrls(null, true)));
final Collection<Namespace> namespaces = myNamespaceTableModel.getNamespaces();
for (Namespace namespace : namespaces) {
allURIs.remove(namespace.getUri());
}
Collections.sort(allURIs);
final DataContext dataContext = DataManager.getInstance().getDataContext(myNamespaceTable);
final Project project = CommonDataKeys.PROJECT.getData(dataContext);
final AddNamespaceDialog dlg = new AddNamespaceDialog(project, myUnresolvedPrefixes, allURIs, AddNamespaceDialog.Mode.EDITABLE);
if (dlg.showAndGet()) {
myNamespaceTableModel.addNamespace(new Namespace(dlg.getPrefix(), dlg.getURI()));
}
}
}).setRemoveAction(
myContextProvider.getContextElement() != null ? null : new AnActionButtonRunnable() {
@Override
public void run(AnActionButton button) {
myNamespaceTableModel.removeNamespace(myNamespaceTable.getSelectedRow());
}
}).disableUpDownActions().createPanel();
UIUtil.addBorder(n, IdeBorderFactory.createTitledBorder("Namespaces", false));
mySplitter = new JBSplitter(true, getDimensionServiceKey(), 400 / 1000f);
mySplitter.setHonorComponentsMinimumSize(true);
mySplitter.setFirstComponent(n);
mySplitter.setSecondComponent(p);
return mySplitter;
}
@NotNull
protected String getDimensionServiceKey() {
return getClass().getName() + ".DIMENSION_SERVICE_KEY";
}
public Pair<Collection<Namespace>, Collection<Variable>> getContext() {
assert isOK();
return Pair.create(myNamespaceTableModel.getNamespaces(), myVariableTableModel.getVariables());
}
protected void doOKAction() {
stopVarEditing();
stopNamespaceEditing();
final List<Expression> expressions = myVariableTableModel.getExpressions();
for (int i = 0; i < expressions.size(); i++) {
final Expression expression = expressions.get(i);
final String name = (String)myVariableTableModel.getValueAt(i, 0);
final String expr = expression.getExpression();
if ((expr == null || expr.trim().length() == 0) && (name == null || name.trim().length() == 0)) {
continue;
}
final String error = getError(expression);
if (error != null) {
Messages.showErrorDialog(expression.getFile().getProject(), "Error in XPath Expression for Variable '" + name + "': " + error,
"XPath Error");
myVariableTable.getSelectionModel().setSelectionInterval(i, i);
return;
}
}
super.doOKAction();
}
private String getError(final Expression expression) {
return MyPsiUtil.checkFile(expression.getFile());
}
private void stopVarEditing() {
final TableCellEditor cellEditor = myVariableTable.getCellEditor();
if (cellEditor != null) {
cellEditor.stopCellEditing();
}
}
private void stopNamespaceEditing() {
final TableCellEditor cellEditor = myNamespaceTable.getCellEditor();
if (cellEditor != null) {
cellEditor.stopCellEditing();
}
}
private class VariableTableModel extends AbstractTableModel {
private final Project myProject;
private final LanguageFileType myFileType;
private final List<Variable> myVariables;
private final List<Expression> myList;
public VariableTableModel(List<Variable> variables, Project project, LanguageFileType fileType) {
this.myVariables = variables;
this.myProject = project;
this.myFileType = fileType;
myList = new ArrayList<>(variables.size());
for (Variable variable : variables) {
final Expression expression = Expression.create(project, fileType, variable.getExpression());
myContextProvider.attachTo(expression.getFile());
myList.add(expression);
}
}
public Class<?> getColumnClass(int columnIndex) {
return columnIndex == 0 ? String.class : Expression.class;
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return true;
}
public String getColumnName(int column) {
return column == 0 ? "Name" : "Expression";
}
public int getRowCount() {
return myVariables.size();
}
public int getColumnCount() {
return 2;
}
public Object getValueAt(int rowIndex, int columnIndex) {
final Variable variable = myVariables.get(rowIndex);
if (columnIndex == 0) {
return variable.getName();
}
else {
return myList.get(rowIndex);
}
}
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
if (rowIndex >= myVariables.size()) {
return;
}
final Variable variable = myVariables.get(rowIndex);
if (columnIndex == 0) {
variable.setName((String)aValue);
}
else {
variable.setExpression(((Expression)aValue).getExpression());
}
fireTableDataChanged();
}
public Collection<Variable> getVariables() {
return myVariables;
}
public List<Expression> getExpressions() {
return myList;
}
public void addVariable() {
final Variable variable = new Variable();
myVariables.add(variable);
final Expression expression = Expression.create(myProject, myFileType);
myContextProvider.attachTo(expression.getFile());
myList.add(expression);
final int firstRow = myVariables.size() - 1;
fireTableRowsInserted(firstRow, firstRow);
}
public void removeVariable(int selectedRow) {
myVariables.remove(selectedRow);
myList.remove(selectedRow);
fireTableRowsDeleted(selectedRow, selectedRow);
}
}
private static class VariableCellRenderer extends DefaultTableCellRenderer {
private final List<Variable> myVariables;
public VariableCellRenderer(List<Variable> variables) {
this.myVariables = variables;
}
public Component getTableCellRendererComponent(JTable table, Object _value,
boolean isSelected, boolean hasFocus, int row, int column) {
super.getTableCellRendererComponent(table, _value, isSelected, hasFocus, row, column);
setForeground(table.getForeground());
setToolTipText(null);
for (int i = 0; i < myVariables.size(); i++) {
Variable variable = myVariables.get(i);
if (i != row && variable.getName().equals(_value)) {
setForeground(JBColor.RED);
setToolTipText("Duplicate Variable");
}
else if (variable.getExpression().length() == 0) {
setForeground(PlatformColors.BLUE);
setToolTipText("Empty expression. Variable will evaluate to empty nodeset.");
}
}
return this;
}
}
private static class NamespaceTableModel extends AbstractTableModel {
private final List<Namespace> myNamespaces;
public NamespaceTableModel(List<Namespace> namespaces) {
this.myNamespaces = namespaces;
}
public Collection<Namespace> getNamespaces() {
return myNamespaces;
}
public Class<?> getColumnClass(int columnIndex) {
return String.class;
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columnIndex == 0;
}
public String getColumnName(int column) {
return column == 0 ? "Prefix" : "URI";
}
public int getRowCount() {
return myNamespaces.size();
}
public int getColumnCount() {
return 2;
}
public Object getValueAt(int rowIndex, int columnIndex) {
final Namespace namespace = myNamespaces.get(rowIndex);
return columnIndex == 0 ? namespace.getPrefix() : namespace.getUri();
}
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
if (columnIndex == 0) {
final Namespace namespace = myNamespaces.get(rowIndex);
namespace.setPrefix((String)aValue);
}
}
public void addNamespace(Namespace namespace) {
final int firstRow = myNamespaces.size();
myNamespaces.add(namespace);
fireTableRowsInserted(firstRow, firstRow);
}
public void removeNamespace(int selectedRow) {
myNamespaces.remove(selectedRow);
fireTableRowsDeleted(selectedRow, selectedRow);
}
}
private static class NamespaceCellRenderer extends DefaultTableCellRenderer {
private final List<Namespace> myNamespaces;
public NamespaceCellRenderer(List<Namespace> namespaces) {
this.myNamespaces = namespaces;
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
setForeground(table.getForeground());
final String prefix = myNamespaces.get(row).getPrefix();
if (column == 1 && prefix == null || prefix.length() == 0) {
setForeground(PlatformColors.BLUE);
}
else if (column == 0) {
for (int i = 0; i < myNamespaces.size(); i++) {
Namespace namespace = myNamespaces.get(i);
if (i != row && namespace.getPrefix().equals(value)) {
setForeground(JBColor.RED);
break;
}
}
}
return this;
}
}
private class MyNamespaceContext implements NamespaceContext {
@Nullable
public String getNamespaceURI(String prefix, XmlElement context) {
return Namespace.makeMap(myNamespaceTableModel.getNamespaces()).get(prefix);
}
@Nullable
public String getPrefixForURI(String uri, XmlElement context) {
final BidirectionalMap<String, String> bidiMap = new BidirectionalMap<>();
bidiMap.putAll(Namespace.makeMap(myNamespaceTableModel.getNamespaces()));
final List<String> list = bidiMap.getKeysByValue(uri);
return list != null && list.size() > 0 ? list.get(0) : null;
}
@NotNull
public Collection<String> getKnownPrefixes(XmlElement context) {
return Namespace.makeMap(myNamespaceTableModel.getNamespaces()).keySet();
}
@Nullable
public PsiElement resolve(String prefix, XmlElement context) {
return null;
}
public IntentionAction[] getUnresolvedNamespaceFixes(PsiReference reference, String localName) {
return IntentionAction.EMPTY_ARRAY;
}
@Override
public String getDefaultNamespace(XmlElement context) {
return null;
}
}
private class MyVariableContext extends SimpleVariableContext {
@NotNull
public String[] getVariablesInScope(XPathElement element) {
final Collection<Variable> variables = myVariableTableModel.getVariables();
return Variable.asSet(variables).toArray(new String[variables.size()]);
}
}
private class MyContextProvider extends ContextProvider {
private final MyNamespaceContext myNamespaceContext;
private final MyVariableContext myVariableContext;
private final ContextProvider myContextProvider;
public MyContextProvider(ContextProvider contextProvider) {
myContextProvider = contextProvider;
myNamespaceContext = new MyNamespaceContext();
myVariableContext = new MyVariableContext();
}
@NotNull
public ContextType getContextType() {
return myContextProvider.getContextType();
}
@Nullable
public XmlElement getContextElement() {
return myContextProvider.getContextElement();
}
@Nullable
public NamespaceContext getNamespaceContext() {
return myNamespaceContext;
}
@Nullable
public VariableContext getVariableContext() {
return myVariableContext;
}
@Nullable
public Set<QName> getAttributes(boolean forValidation) {
return myContextProvider.getAttributes(forValidation);
}
@Nullable
public Set<QName> getElements(boolean forValidation) {
return myContextProvider.getElements(forValidation);
}
}
}