--- /dev/null
+/*
+ * $Id: EditElementWizardPage.java,v 1.2 2006-10-21 23:18:43 pombredanne Exp $
+ * Copyright Narushima Hironori. All rights reserved.
+ */
+package net.sourceforge.phpeclipse.wizards.html;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.wizard.IWizard;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ *
+ *
+ */
+public abstract class EditElementWizardPage extends WizardPage implements
+ IPreviewer {
+
+ final public static int NEW = 0, MODIFY = 1;
+
+ private static DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory
+ .newInstance();
+
+ Composite extendComp;
+
+ Text preview;
+
+ private String elementName = null;
+
+ int editType = NEW;
+
+ protected EditElementWizardPage(String pageName) {
+ super(pageName);
+ }
+
+ public void createControl(Composite parent) {
+ Composite base = new Composite(parent, SWT.NONE);
+ setControl(base);
+ base.setLayout(new GridLayout(1, false));
+
+ // create child control.
+ Composite childControlBase = new Composite(base, SWT.NONE);
+ childControlBase.setLayoutData(new GridData(GridData.FILL_BOTH));
+ try {
+ createChildControl(childControlBase);
+ } catch (CoreException e) {
+ PHPeclipsePlugin.log(e);
+ return;
+ }
+
+ // preview components.
+ Composite previewBase = new Composite(base, SWT.NONE);
+
+ GridData gd = new GridData(GridData.FILL_HORIZONTAL);
+ previewBase.setLayoutData(gd);
+ previewBase.setLayout(new GridLayout(1, false));
+
+ Label labe = new Label(previewBase, SWT.NONE);
+ labe.setText("Preview:");
+ gd = new GridData(GridData.FILL_HORIZONTAL);
+ labe.setLayoutData(gd);
+
+ preview = new Text(previewBase, SWT.BORDER | SWT.MULTI | SWT.READ_ONLY
+ | SWT.WRAP | SWT.V_SCROLL | SWT.H_SCROLL);
+ gd = new GridData(GridData.FILL_HORIZONTAL);
+ gd.widthHint = 0;
+ gd.heightHint = preview.getLineHeight() * 4;
+ preview.setLayoutData(gd);
+
+ refreshPreview();
+ }
+
+ abstract protected void createChildControl(Composite parent)
+ throws CoreException;
+
+ public abstract String getPreviewText();
+
+ public void refreshPreview() {
+ if (preview != null) {
+ String text = getPreviewText();
+ preview.setText(text == null ? "" : text);
+ }
+ }
+
+ public String getElementName() {
+ return elementName;
+ }
+
+ public void setElementName(String string) {
+ elementName = string;
+ }
+
+ protected IFile getEditFile() {
+ IFile file = null;
+ IWizard wiz = getWizard();
+ if (wiz instanceof EditElementWizard) {
+ file = ((EditElementWizard) wiz).getCurrentEditFile();
+ }
+ return file;
+ }
+
+ protected void performFinish() {
+ EditElementWizard wiz = (EditElementWizard) getWizard();
+ ITextSelection sel = wiz.getSelection();
+ IDocument doc = wiz.getDocument();
+ int offset = sel.getOffset();
+ try {
+ doc.replace(offset, sel.getLength(), getPreviewText());
+ } catch (BadLocationException e) {
+ PHPeclipsePlugin.log(e);
+ }
+ int index = doc.get().indexOf('>', offset);
+ if (index != -1) {
+ wiz.setSelection(new TextSelection(index + 1, 0));
+ }
+ }
+
+ /**
+ * Returns edit type.
+ */
+ public int getEditType() {
+ return editType;
+ }
+
+ /**
+ * Sets edit type that types are EditElementWizardPage.NEW,
+ * EditElementWizardPage.MODIFY. Default value is NEW.
+ */
+ public void setEditType(int i) {
+ editType = i;
+ }
+
+ protected String getSelectionText() {
+ return ((EditElementWizard) getWizard()).getSelection().getText();
+ }
+
+ protected Element getParsedSelectionText() {
+ String selText = getSelectionText();
+ try {
+ InputSource source = new InputSource(new StringReader(selText));
+ Document doc = docBuilderFactory.newDocumentBuilder().parse(source);
+ return doc.getDocumentElement();
+ } catch (SAXException e) {
+ } catch (IOException e) {
+ } catch (ParserConfigurationException e) {
+ }
+ return null;
+
+ }
+
+ protected static String chooseContent(String text) {
+ int b = -1, e = -1, len = text.length();
+ for (int i = 0; i < len; i++) {
+ if (text.charAt(i) == '>') {
+ b = i + 1;
+ break;
+ }
+ }
+ for (int i = len - 1; i >= 0; i--) {
+ if (text.charAt(i) == '<') {
+ e = i;
+ break;
+ }
+ }
+ return (b != -1 && e != -1 && b < len && e < len) ? text
+ .substring(b, e) : "";
+
+ }
+
+}
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