An Introduction to Progr…l Basic 6.0 (4th Edition)/An Introduction to Programming using Visual Basic 6.0.iso/COMMON/TOOLS/VB/CABINETS/MSDAO350.CAB/icontrols/HTMLControl.class

Java Class File | 1998-01-08 | 6.5 KB | 186 lines

package icontrols;

import com.ms.wd.app.DataObject;
import com.ms.wd.core.Component;
import com.ms.wd.core.IComponent;
import com.ms.wd.core.IContainer;
import com.ms.wd.core.ISite;
import com.ms.wd.html.DhComponentWrapper;
import com.ms.wd.html.DhDocument;
import com.ms.wd.html.DhElement;
import com.ms.wd.html.DhEnumeration;
import com.ms.wd.html.DhModule;
import com.ms.wd.html.event.DhEvent;
import com.ms.wd.html.om.IHTMLBodyElement;
import com.ms.wd.html.om.IHTMLDocument2;
import com.ms.wd.html.om.IHTMLElement;
import com.ms.wd.html.om.IHTMLWindow2;
import com.ms.wd.html.om.IHostWindow;
import com.ms.wd.ole32.FORMATETC;
import com.ms.wd.ole32.IOleDropTarget;
import com.ms.wd.ui.AxControl;
import com.ms.wd.ui.Color;
import com.ms.wd.ui.Control;
import com.ms.wd.ui.Point;
import com.ms.wd.ui.Rectangle;
import java.io.ByteArrayInputStream;

public class HTMLControl extends AxControl {
   private DhDocument m_document;
   private IHTMLDocument2 m_hdoc;
   private DocUIHandler m_docUI;
   String m_importHTMLFile;
   String m_html;
   IOleDropTarget pTridentDropTarget;

   public void internalOnClick(DhEvent e) {
      this.m_document.dumpHTML();
   }

   private boolean initDocument() {
      if (this.m_document == null) {
         Object ctrl = ((AxControl)this).getControl();
         if (ctrl != null) {
            this.m_hdoc = (IHTMLDocument2)ctrl;
            IHTMLElement body = this.m_hdoc.getBody();
            if (body != null) {
               body.setInnerHTML("");
               body.getStyle().setBorderWidth("0px");
               body.getStyle().setPadding("0 0 0 0");
               body.getStyle().setMargin("0 0 0 0");
               ((IHTMLBodyElement)body).setScroll("no");
            }

            this.m_document = new DhDocument((DhModule)null, this.m_hdoc, (IHTMLWindow2)this.m_hdoc.getScript());
         }
      }

      return this.m_document != null;
   }

   public HTMLControl() {
      super("htmlfile");
      this.m_document = null;
      this.m_hdoc = null;
      this.m_docUI = null;
      this.m_importHTMLFile = null;
      this.m_html = null;
      ((Control)this).setStyle(2, false);
      ((Control)this).setStyle(8, true);
      ((Control)this).setTabStop(false);
      this.initDocument();
      this.m_docUI = new DocUIHandler(this);
      ((IHostWindow)AxControl.AtlAxGetHost(((Control)this).getHandle())).SetExternalUIHandler(this.m_docUI);
   }

   public HTMLControl(IContainer cont) {
      this();
      if (cont != null) {
         cont.add(this);
      }

   }

   public void add(DhElement e) {
      if (this.initDocument()) {
         this.m_document.add(e);
      }

   }

   public void add(Control c) {
      super.add(c);
      ISite site = ((Component)this).getSite();
      if (site != null) {
         IContainer cont = site.getContainer();
         if (cont != null) {
         }
      }

      DhComponentWrapper cw = new DhComponentWrapper(c, true);
      this.add((DhElement)cw);
      Point sz = ((Control)this).getSize();
      Rectangle cRect = c.getBounds();
      ((Control)this).setSize(Math.max(sz.x, cRect.x + cRect.width + 1), Math.max(sz.y, cRect.y + cRect.height + 1));
   }

   public DhDocument getDocument() {
      return this.m_document;
   }

   public void setImportHTMLFileName(String filename) {
      this.m_importHTMLFile = filename;
      this.m_html = null;
      this.m_document.importHTMLFromFile(filename);
   }

   public String getImportHTMLFileName() {
      return this.m_importHTMLFile;
   }

   byte[] getIStreamData(DataObject pDO, FORMATETC fm) {
      ByteArrayInputStream bais;
      try {
         bais = (ByteArrayInputStream)pDO.getData("Java Component");
      } catch (Exception var6) {
         return null;
      }

      int size = bais.available();
      byte[] bArray = new byte[size];
      bais.read(bArray, 0, size);
      return bArray;
   }

   public void setBackColor(Color c) {
      if (this.initDocument()) {
         this.m_document.setBackColor(c);
      }

   }

   public Color getBackColor() {
      return this.initDocument() ? this.m_document.getBackColor() : null;
   }

   public void setImportHTML(String html) {
      this.m_html = html;
      this.m_importHTMLFile = null;
      this.m_document.importHTML(html);
      DhEnumeration enum = new DhEnumeration(this.m_document, 1);
      ISite site = ((Component)this).getSite();
      IContainer cont = null;
      if (site != null) {
         cont = site.getContainer();
      }

      while(enum.hasMoreItems() && cont != null) {
         cont.add((IComponent)enum.nextItem());
      }

   }

   public String getImportHTML() {
      return this.m_html;
   }

   String extractNameFromData(byte[] pData) {
      int pCur = 15;
      if (pData != null && pData.length >= pCur + 4) {
         int nLen = pData.length;
         long lSize = (long)(pData[pCur + 3] << 32 | pData[pCur + 2] << 16 | pData[pCur + 1] << 8 | pData[pCur]);
         StringBuffer sb = new StringBuffer(32);
         pCur += 4;
         lSize = Math.min(lSize, (long)(nLen - pCur));

         for(int i = 0; (long)i < lSize; i += 2) {
            sb.append((char)(pData[i + pCur + 1] << 8 | pData[i + pCur]));
         }

         return sb.toString();
      } else {
         return "";
      }
   }
}