svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.swing / org.gvsig.expressionevaluator.swing.impl / src / main / java / org / gvsig / expressionevaluator / swing / impl / DefaultJExpressionBuilder.java @ 43983
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package org.gvsig.expressionevaluator.swing.impl; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.KeyEvent; |
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import java.awt.event.KeyListener; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Objects; |
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import javax.swing.DefaultListCellRenderer; |
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import javax.swing.ImageIcon; |
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import javax.swing.JComponent; |
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import javax.swing.JLabel; |
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import javax.swing.JList; |
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import javax.swing.JTree; |
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import javax.swing.SwingUtilities; |
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import javax.swing.event.ListSelectionEvent; |
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import javax.swing.event.ListSelectionListener; |
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import javax.swing.event.TreeModelListener; |
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import javax.swing.event.TreeSelectionEvent; |
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import javax.swing.event.TreeSelectionListener; |
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import javax.swing.tree.DefaultTreeCellRenderer; |
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import javax.swing.tree.TreeModel; |
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import javax.swing.tree.TreePath; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.lang.StringEscapeUtils; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.swing.Element; |
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import org.gvsig.expressionevaluator.swing.Element.ConstantElement; |
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import org.gvsig.expressionevaluator.swing.Element.FunctionElement; |
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import org.gvsig.expressionevaluator.swing.Element.GroupElement; |
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import org.gvsig.expressionevaluator.swing.Element.SimpleElement; |
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import org.gvsig.expressionevaluator.swing.Element.VariableElement; |
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import org.gvsig.expressionevaluator.swing.ExpressionBuilderConfig; |
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import org.gvsig.expressionevaluator.swing.ExpressionEvaluatorSwingManager; |
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import org.gvsig.expressionevaluator.swing.JExpressionBuilder; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.script.Script; |
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import org.gvsig.tools.swing.api.ListElement; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.ToolsSwingManager; |
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import org.gvsig.tools.swing.api.pickercontroller.PickerController; |
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import org.gvsig.tools.swing.api.script.ScriptSwingManager; |
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import org.gvsig.tools.swing.icontheme.IconTheme; |
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/**
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*
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* @author jjdelcerro
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*/
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public class DefaultJExpressionBuilder |
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extends DefaultJExpressionBuilderView
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implements JExpressionBuilder {
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private final ExpressionEvaluatorSwingManager manager; |
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private GroupElement currentGroup;
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private PickerController<List<Script>> scriptPicker; |
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private ScriptSwingManager.ScriptEditor scriptEditor;
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private ExpressionBuilderConfig config;
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private class ElementsTreeModel implements TreeModel { |
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private final GroupElement root; |
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public ElementsTreeModel(GroupElement root) {
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this.root = root;
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} |
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@Override
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public Object getRoot() { |
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return this.root; |
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} |
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private List<Element> getChilds(final GroupElement node) { |
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List<Element> x = new ArrayList<>(); |
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for (Element element : node.getElements()) { |
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if (element instanceof GroupElement) { |
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x.add(element); |
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} |
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} |
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return x; //node.getElements(); |
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} |
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@Override
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public Object getChild(Object parent, int index) { |
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List<Element> childs = getChilds((GroupElement) parent); |
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Element child = childs.get(index);
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return child;
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} |
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@Override
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public int getChildCount(Object parent) { |
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List<Element> childs = getChilds((GroupElement) parent); |
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return childs.size();
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} |
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@Override
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public boolean isLeaf(Object node) { |
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if( node instanceof GroupElement ) { |
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return !((GroupElement) node).hasSubgroups();
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} |
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return false; |
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} |
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@Override
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public void valueForPathChanged(TreePath path, Object newValue) { |
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} |
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@Override
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public int getIndexOfChild(Object parent, Object child) { |
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List<Element> childs = getChilds((GroupElement) parent); |
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int n = childs.indexOf(child);
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return n;
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} |
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@Override
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public void addTreeModelListener(TreeModelListener l) { |
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} |
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@Override
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public void removeTreeModelListener(TreeModelListener l) { |
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} |
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} |
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public DefaultJExpressionBuilder(ExpressionEvaluatorSwingManager manager, ExpressionBuilderConfig config) {
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this.manager = manager;
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this.config = new DefaultExpressionBuilderConfig(manager); |
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this.initComponents();
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} |
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@Override
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public ImageIcon loadImage(String imageName) { |
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String name = FilenameUtils.getBaseName(imageName);
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IconTheme theme = ToolsSwingLocator.getIconThemeManager().getDefault(); |
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if (theme.exists(name)) {
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return theme.get(name);
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} |
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URL url = this.getClass().getResource(name + ".png"); |
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if (url == null) { |
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return null; |
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} |
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return new ImageIcon(url); |
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} |
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private void initComponents() { |
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ToolsSwingManager toolsSwingManager = ToolsSwingLocator.getToolsSwingManager(); |
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final IconTheme theme = ToolsSwingLocator.getIconThemeManager().getCurrent();
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toolsSwingManager.setDefaultPopupMenu(this.txtExpression);
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toolsSwingManager.setDefaultPopupMenu(this.txtGroupElement);
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toolsSwingManager.setDefaultPopupMenu(this.txtSimpleElementFilter);
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toolsSwingManager.setDefaultPopupMenu(this.txtDescription);
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toolsSwingManager.addClearButton(this.txtExpression);
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toolsSwingManager.addClearButton(this.txtSimpleElementFilter, new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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txtSimpleElementFilter.setText("");
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doFilter(); |
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} |
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}); |
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this.treeElements.setCellRenderer(new DefaultTreeCellRenderer() { |
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@Override
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public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) { |
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JLabel label = (JLabel) super.getTreeCellRendererComponent(tree,value, selected, expanded, leaf, row, hasFocus); |
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if( value instanceof Element ) { |
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Element element = (Element) value; |
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label.setIcon(element.getIcon()); |
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label.setText(element.getName()); |
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} else {
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label.setIcon(null);
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label.setText(Objects.toString(value, ""));
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} |
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return label;
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} |
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}); |
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this.treeElements.addTreeSelectionListener(new TreeSelectionListener() { |
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@Override
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public void valueChanged(TreeSelectionEvent e) { |
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TreePath path = e.getPath();
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Element element = (Element) path.getLastPathComponent(); |
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if (element instanceof GroupElement) { |
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updateSimpleElementsList((GroupElement) element); |
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} |
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} |
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}); |
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this.btnGroupElementInsert.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(txtGroupElement.getText()); |
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} |
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}); |
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this.btnSimpleElementInsert.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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ListElement<SimpleElement> element = (ListElement<SimpleElement>) lstSimpleElement.getSelectedValue(); |
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if (element != null) { |
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doInsert(element.getValue()); |
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} |
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} |
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}); |
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this.btnSimpleElementFilter.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doFilter(); |
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} |
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}); |
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this.lstSimpleElement.setCellRenderer(new DefaultListCellRenderer() { |
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@Override
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public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { |
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JLabel label = (JLabel)super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); |
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Element element = null; |
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if( value instanceof ListElement ) { |
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if( ((ListElement) value).getValue() instanceof Element ) { |
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element = (Element) ((ListElement) value).getValue();
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} |
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} |
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if( element !=null ) { |
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label.setIcon(element.getIcon()); |
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label.setText(element.getName()); |
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} else {
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label.setIcon(null);
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label.setText(Objects.toString(value, ""));
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} |
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return label;
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} |
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}); |
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this.lstSimpleElement.getSelectionModel().addListSelectionListener(new ListSelectionListener() { |
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@Override
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public void valueChanged(ListSelectionEvent e) { |
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ListElement<SimpleElement> element = (ListElement<SimpleElement>) lstSimpleElement.getSelectedValue(); |
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if (element != null) { |
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doSelectElement(element.getValue()); |
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} |
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} |
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}); |
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this.btnSimpleElementSortDown.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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FilteredListModel model = (FilteredListModel) lstSimpleElement.getModel(); |
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model.sort(false);
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} |
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}); |
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this.btnSimpleElementSortUp.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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FilteredListModel model = (FilteredListModel) lstSimpleElement.getModel(); |
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model.sort(true);
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} |
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}); |
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this.txtSimpleElementFilter.addKeyListener(new KeyListener() { |
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@Override
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public void keyTyped(KeyEvent e) { |
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if (e.getKeyChar() == '\n') { |
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doFilter(); |
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} |
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} |
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@Override
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public void keyPressed(KeyEvent e) { |
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} |
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@Override
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public void keyReleased(KeyEvent e) { |
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} |
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}); |
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this.btnAdd.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" + ");
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} |
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}); |
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this.btnDiv.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" / ");
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} |
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}); |
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this.btnEq.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" = ");
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} |
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}); |
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this.btnMult.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" * ");
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} |
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}); |
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this.btnNeq.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" <> ");
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} |
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}); |
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this.btnParentClose.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" ) ");
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} |
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}); |
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this.btnParentOpen.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" ( ");
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} |
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}); |
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this.btnSubst.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doInsert(" - ");
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} |
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}); |
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ScriptSwingManager scriptSwingManager = ToolsSwingLocator.getScriptSwingManager(); |
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this.scriptPicker = scriptSwingManager.createListScriptPickerController(
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cboPickerScripts, |
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btnPickerRemove, |
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btnPickerSelectScript |
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); |
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this.scriptEditor = scriptSwingManager.createScriptEditor();
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this.pnlScriptEditorContainer.setLayout(new BorderLayout()); |
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this.pnlScriptEditorContainer.add(this.scriptEditor.asJComponent(), BorderLayout.CENTER); |
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this.setPreferredSize(new Dimension(750, 500)); |
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} |
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private String removeCursorMark(String s) { |
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s = s.replace("{{", ""); |
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s = s.replace("}}", ""); |
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return s;
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} |
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private void doInsert(String s) { |
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this.txtExpression.replaceSelection(s);
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String ss = this.txtExpression.getText(); |
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int start = ss.indexOf("{{"); |
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int end = ss.indexOf("}}"); |
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if (start > 0 && end > 0) { |
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this.txtExpression.replaceRange("", end, end + 2); |
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this.txtExpression.replaceRange("", start, start + 2); |
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this.txtExpression.setSelectionStart(start);
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this.txtExpression.setSelectionEnd(end - 2); |
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} |
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this.txtExpression.requestFocusInWindow();
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} |
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private void doInsert(SimpleElement element) { |
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if( element instanceof FunctionElement ) { |
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Function function = ((FunctionElement)element).getFunction(); |
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if (function == null) { |
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doInsert(element.getName()); |
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} else {
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doInsert(function.template() == null ? function.name() + "({{}})" : function.template()); |
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} |
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} else if( element instanceof ConstantElement) { |
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doInsert(" "+repr(((ConstantElement) element).getValue())+" "); |
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} else {
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doInsert(" "+element.getName()+" "); |
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} |
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} |
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private void doFilter() { |
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FilteredListModel model = (FilteredListModel) this.lstSimpleElement.getModel();
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model.setFilter(this.txtSimpleElementFilter.getText());
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} |
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private void doSelectElement(SimpleElement element) { |
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StringBuilder html = new StringBuilder(); |
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html.append("<html>\n");
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if( element instanceof ConstantElement ) { |
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Object value = ((ConstantElement)element).getValue();
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if( value == null ) { |
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html.append("<b>Constant</b><br>\n<br>\n");
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html.append("<b>Value</b> NULL<br>\n");
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} else {
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html.append("<b>Constant</b><br>\n<br>\n");
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html.append("<b>Value</b> ").append(repr(value)).append("<br>\n<br>\n"); |
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html.append("<b>Type</b> ").append(value.getClass().getSimpleName()).append("<br>\n<br>\n"); |
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} |
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} else if( element instanceof VariableElement ) { |
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VariableElement var = (VariableElement)element; |
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html.append("<b>").append(var.getLabel()).append("</b><br>\n<br>\n\n"); |
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html.append("<b>Source</b> ").append(var.getSource()).append("<br>\n<br>\n"); |
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html.append("<b>Name</b> ").append(var.getName()).append("<br>\n<br>\n"); |
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html.append("<b>Type</b> ").append(var.getTypeName()).append("<br>\n<br>\n"); |
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} else if( element instanceof FunctionElement ) { |
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Function function = ((FunctionElement)element).getFunction(); |
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if (function == null) { |
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html.append("<b>Function</b> ").append(element.getName()).append("<br>\n<br>\n"); |
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html.append("<b>Return</b> Object<br>\n<br>\n");
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html.append("<b>Template:</b> ").append(element.getName()).append("()<br>\n<br>\n"); |
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} else {
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html.append("<b>Function</b> ").append(element.getName()).append("<br>\n<br>\n"); |
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html.append("<b>Return</b> ");
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html.append(StringUtils.isEmpty(function.returnType())?"Objec": function.returnType());
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html.append("<br>\n<br>\n");
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html.append("<b>Template</b> ");
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html.append(StringUtils.isEmpty(function.template())?element.getName()+"()": removeCursorMark(function.template()));
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html.append("<br>\n<br>\n");
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String[] args = function.descriptionArgs(); |
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if (args != null) { |
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html.append("<b>Arguments:</b> ").append("<ul>\n"); |
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for (String arg : args) { |
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html.append("<li>").append(arg).append("</li>\n"); |
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} |
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html.append("</ul>\n");
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html.append("<br>\n");
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} |
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} |
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} else {
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html.append("<b>Generic element<br>\n<br>\n");
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html.append("<b>Name</b> ").append(element.getName()).append("</br>\n</br>\n"); |
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} |
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if( element.getDescription()!=null ) { |
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html.append("<b>Description</b><br>\n");
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html.append(element.getDescription().replace("\n", "<br>")).append("<br>\n"); |
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} |
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html.append("</html>\n");
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this.txtDescription.setContentType("text/html"); |
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this.txtDescription.setText(html.toString());
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this.txtDescription.setCaretPosition(0); |
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} |
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private void updateSimpleElementsList(GroupElement group) { |
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FilteredListModel model = new FilteredListModel();
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model.addElement("Loading...");
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this.currentGroup = group;
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this.txtGroupElement.setText(group.getName());
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this.txtSimpleElementFilter.setText(""); |
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this.txtDescription.setText(""); |
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if (group instanceof SimpleElement) { |
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this.btnGroupElementInsert.setEnabled(true); |
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} else {
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this.btnGroupElementInsert.setEnabled(false); |
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} |
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this.lstSimpleElement.setEnabled(false); |
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this.lstSimpleElement.setModel(model);
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Thread th = new Thread(new Runnable() { |
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@Override
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public void run() { |
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simpleElementsUpdater(); |
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} |
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}, "ExpressionBuilderSimpleElementsUpdater");
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th.start(); |
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} |
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private void simpleElementsUpdater() { |
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final GroupElement group = this.currentGroup; |
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final FilteredListModel model = new FilteredListModel(); |
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for (Element child : group) { |
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if (group != this.currentGroup) { |
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return;
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} |
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if (child instanceof SimpleElement) { |
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String label = child.getName();
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Function function = child instanceof FunctionElement? ((FunctionElement)child).getFunction(): null; |
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if (function != null && !StringUtils.isEmpty(function.returnType())) { |
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label = "<html><b>" + label + "</b> return " + function.returnType() + "</html>"; |
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// label = label + " return " + function.returnType();
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} |
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model.addElement(new ListElement<>(label, child));
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} |
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} |
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model.sort(true);
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SwingUtilities.invokeLater(new Runnable() { |
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@Override
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public void run() { |
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if (group != currentGroup) {
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return;
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} |
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if( group.hasMoreElements() ) {
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lblSimpleElementsMsg.setText("More elements...");
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} else {
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lblSimpleElementsMsg.setText("");
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} |
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lstSimpleElement.setEnabled(true);
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lstSimpleElement.setModel(model); |
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} |
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}); |
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} |
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@Override
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public Expression getExpression() { |
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String phrase = this.txtExpression.getText(); |
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if (StringUtils.isEmpty(phrase)) {
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return null; |
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} |
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Expression expression = ExpressionEvaluatorLocator.getManager().createExpression();
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expression.setPhrase(phrase); |
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Script script = ToolsLocator.getScriptManager().createScript("UserScript", "", "python"); |
514 |
this.scriptEditor.fetch(script);
|
515 |
if( !StringUtils.isEmpty(script.getCode()) ) {
|
516 |
expression.setUserScript(script); |
517 |
} |
518 |
return expression;
|
519 |
} |
520 |
|
521 |
@Override
|
522 |
public void setExpression(Expression expression) { |
523 |
this.txtExpression.setText(expression.getPhrase());
|
524 |
if( expression.getUserScript()!=null ) { |
525 |
this.scriptEditor.set(expression.getUserScript());
|
526 |
} |
527 |
if( expression.getScripts()!=null ) { |
528 |
this.scriptPicker.set(expression.getScripts().toList());
|
529 |
} |
530 |
} |
531 |
|
532 |
@Override
|
533 |
public int getSimpleElementsLimit() { |
534 |
return this.config.getSimpleElementsLimit(); |
535 |
} |
536 |
|
537 |
@Override
|
538 |
public void setSimpleElementsLimit(int limit) { |
539 |
this.config.setSimpleElementsLimit(limit);
|
540 |
} |
541 |
|
542 |
@Override
|
543 |
public List<Element> getElements() { |
544 |
return this.config.getElements(); |
545 |
} |
546 |
|
547 |
@Override
|
548 |
public Collection<SymbolTable> getSymbolTables() { |
549 |
return this.config.getSymbolTables(); |
550 |
} |
551 |
|
552 |
@Override
|
553 |
public void addSymbolTable(SymbolTable symbolTable) { |
554 |
this.config.addSymbolTable(symbolTable);
|
555 |
} |
556 |
|
557 |
@Override
|
558 |
public void removeAllSymbolTables() { |
559 |
this.config.removeAllSymbolTables();
|
560 |
} |
561 |
|
562 |
|
563 |
@Override
|
564 |
public JComponent asJComponent() { |
565 |
TreeModel model = new ElementsTreeModel( |
566 |
this.manager.createGroupElement("Elements", this.getElements()) |
567 |
); |
568 |
this.treeElements.setModel(model);
|
569 |
return this; |
570 |
} |
571 |
|
572 |
private String repr(Object value) { |
573 |
if (value == null) { |
574 |
return "NULL"; |
575 |
} else if (value instanceof Date) { |
576 |
return "DATE('" + value + "')"; |
577 |
} else if (value instanceof Boolean) { |
578 |
return value.toString();
|
579 |
} else if (value instanceof String) { |
580 |
return "'" + StringEscapeUtils.escapeSql((String) value) + "'"; |
581 |
} else {
|
582 |
return StringEscapeUtils.escapeSql(value.toString());
|
583 |
} |
584 |
|
585 |
} |
586 |
|
587 |
} |