domtreeview.cpp
/***************************************************************************
domtreeview.cpp
-------------------
copyright : (C) 2001 - The Kafka Team
email : kde-kafka@master.kde.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "khtml_part.h"
#include "domtreeview.moc"
#include "xml/dom_nodeimpl.h"
DOMTreeView::DOMTreeView(QWidget *parent, KHTMLPart *currentpart, const char * name) : KListView(parent, name)
{
setCaption(name);
setRootIsDecorated(true);
addColumn("Name");
addColumn("Value");
addColumn("Renderer");
setSorting(-1);
part = currentpart;
connect(part, SIGNAL(nodeActivated(const DOM::Node &)), this, SLOT(showTree(const DOM::Node &)));
connect(this, SIGNAL(clicked(QListViewItem *)), this, SLOT(slotItemClicked(QListViewItem *)));
m_nodedict.setAutoDelete(true);
}
DOMTreeView::~DOMTreeView()
{
disconnect(part);
}
void DOMTreeView::showTree(const DOM::Node &pNode)
{
if(pNode.isNull() || document != pNode.ownerDocument())
{
clear();
m_itemdict.clear();
m_nodedict.clear();
if(pNode.isNull())
return;
else if(pNode.ownerDocument().isNull())
recursive(0, pNode);
else
recursive(0, pNode.ownerDocument());
}
setCurrentItem(m_itemdict[pNode.handle()]);
ensureItemVisible(m_itemdict[pNode.handle()]);
}
void DOMTreeView::recursive(const DOM::Node &pNode, const DOM::Node &node)
{
QListViewItem *cur_item;
if(pNode.ownerDocument() != document)
{
QString val = node.nodeValue().string();
if ( val.length() > 20 )
val.truncate( 20 );
cur_item = new QListViewItem(static_cast<QListView *>(this), node.nodeName().string(), val );
document = pNode.ownerDocument();
}
else {
QString val = node.nodeValue().string();
if ( val.length() > 20 )
val.truncate( 20 );
cur_item = new QListViewItem(m_itemdict[pNode.handle()], node.nodeName().string(), val);
}
if(node.handle())
{
m_itemdict.insert(node.handle(), cur_item);
m_nodedict.insert(cur_item, new DOM::Node(node));
}
DOM::Node cur_child = node.lastChild();
while(!cur_child.isNull())
{
recursive(node, cur_child);
cur_child = cur_child.previousSibling();
}
}
void DOMTreeView::slotItemClicked(QListViewItem *cur_item)
{
DOM::Node *handle = m_nodedict[cur_item];
if(handle) {
emit part->setActiveNode(*handle);
}
}
DOM::Node::lastChild
Node lastChild() const
The last child of this node.
Definition: dom_node.cpp:223
DOM::Node
The Node interface is the primary datatype for the entire Document Object Model.
Definition: dom_node.h:274
DOM::Node::nodeName
DOMString nodeName() const
The name of this node, depending on its type; see the table above.
Definition: dom_node.cpp:176
DOM::Node::previousSibling
Node previousSibling() const
The node immediately preceding this node.
Definition: dom_node.cpp:229
KHTMLPart
This class is khtml's main class.
Definition: khtml_part.h:184
KListView
DOM::Node::isNull
bool isNull() const
tests if this Node is 0.
Definition: dom_node.h:892
DOM::Node::nodeValue
DOMString nodeValue() const
The value of this node, depending on its type; see the table above.
Definition: dom_node.cpp:182
DOM::Node::ownerDocument
Document ownerDocument() const
The Document object associated with this node.
Definition: dom_node.cpp:247
KStdAction::clear
KAction * clear(const QObject *recvr, const char *slot, KActionCollection *parent, const char *name=0)

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