improved codetemplate wizards; new html tag wizards

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / wizards / html / EditElementWizardPage.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/EditElementWizardPage.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/EditElementWizardPage.java
new file mode 100644 (file)
index 0000000..144e166
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/EditElementWizardPage.java
@@ -0,0 +1,186 @@
+/*
+ * $Id: EditElementWizardPage.java,v 1.1 2004-10-05 20:51:57 jsurfer 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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