nodebrowser.cpp

/***************************************************************************
        Copyright (C) 2002-2015 Kentaro Kitagawa
                           kitagawa@phys.s.u-tokyo.ac.jp

        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.

        You should have received a copy of the GNU Library General 
        Public License and a list of authors along with this program; 
        see the files COPYING and AUTHORS.
 ***************************************************************************/
//---------------------------------------------------------------------------
#include "nodebrowser.h"
#include "measure.h"
#include <QLineEdit>
#include <QCursor>
#include <QTimer>
#include <QTextBrowser>
#include <QApplication>

#include "ui_nodebrowserform.h"

XNodeBrowser::XNodeBrowser
(const shared_ptr<XNode> &root, FrmNodeBrowser *form)
    : XQConnector(root, form),
    m_root(root),
    m_pForm(form),
    m_desc(XNode::createOrphan<XStringNode>("Desc", true)),
    m_conDesc(xqcon_create<XQTextBrowserConnector>(m_desc, form->m_txtDesc)) {

    m_pTimer = new QTimer(this);
    connect(m_pTimer, SIGNAL (timeout() ), this, SLOT(process()));
    m_pTimer->start(500);
    form->m_txtDesc->setAcceptRichText(true);
}

XNodeBrowser::~XNodeBrowser() {
    m_pTimer->stop();
}
shared_ptr<XNode>
XNodeBrowser::connectedNode(QWidget *widget) {
    if( !widget || (widget == m_pForm->m_txtDesc) ||
        (widget == m_pForm->m_edValue) || (widget == m_pForm)) {
        return shared_ptr<XNode>();
    }
    return XQConnector::connectedNode(widget);
}

void
XNodeBrowser::process() {
    QWidget *widget;
    shared_ptr<XNode> node;
    //  widget = KApplication::kApplication()->focusWidget();
    //      node = connectedNode(widget);
    if( !node) {
        widget = QApplication::widgetAt(QCursor::pos());
        node = connectedNode(widget);
        if( !node && widget) {
            widget = widget->parentWidget();
            node = connectedNode(widget);
            if( !node && widget) {
                widget = widget->parentWidget();
                node = connectedNode(widget);
            }
        }
    }

    if( !node)
        node = m_lastPointed;
    if((node != m_lastPointed) && node) {
        Snapshot shot( *node);
        auto valuenode(dynamic_pointer_cast<XValueNodeBase>(node));
        auto listnode(dynamic_pointer_cast<XListNodeBase>(node));

        m_conValue.reset();
        if(valuenode)
            m_conValue = xqcon_create<XQLineEditConnector>(valuenode, m_pForm->m_edValue);
        else
            m_pForm->m_edValue->setText("");
        QString str;
        str += "<font color=#005500>Label:</font> ";
        str += node->getLabel().c_str();
        //      str += "\nName: ";
        //      str += node->getName();
        str += "<br>";
        if( !shot[ *node].isUIEnabled()) str+= "UI/scripting disabled.<br>";
        if(shot[ *node].isRuntime()) str+= "For run-time only.<br>";
        str += "<font color=#005500>Type:</font> ";
        str += node->getTypename().c_str();
        str += "<br>";
        XString rbpath;
        XNode *cnode = node.get();
        shared_ptr<XNode> rootnode(m_root);
        Snapshot rootshot( *rootnode);
        while(cnode) {
            if((rbpath.length() > 64) ||
                (cnode == m_root.lock().get())) {
                str += "<font color=#550000>Ruby object:</font><br> Measurement";
                str += rbpath.c_str();
                str += "<br><font color=#550000>Supported Ruby methods:</font>"
                    " name() touch() child(<font color=#000088><i>name/idx</i></font>)"
                    " [](<font color=#000088><i>name/idx</i></font>) count() each() to_ary()";
                if(valuenode)
                    str += " set(<font color=#000088><i>x</i></font>)"
                        " value=<font color=#000088><i>x</i></font> load(<font color=#000088><i>x</i></font>)"
                        " &lt;&lt;<font color=#000088><i>x</i></font> get() value() to_str()";
                if(listnode)
                    str += " create(<font color=#000088><i>type</i></font>, <font color=#000088><i>name</i></font>)"
                        " release()";
                str += "<br>";
                break;
            }
            rbpath = formatString("[\"%s\"]%s", cnode->getName().c_str(), rbpath.c_str());
            cnode = cnode->upperNode(rootshot);
        }
        if( !cnode) {
            //          str += rbpath;
            str += "Inaccessible from the root.<br>";       
        }
        if(shot.size()) {
            str += formatString("<font color=#005500>%u Child(ren):</font> <br>", (unsigned int)shot.list()->size()).c_str();
            for(auto it = shot.list()->begin(); it != shot.list()->end(); ++it) {
                str += " ";
                str += ( *it)->getName().c_str();
            }
            str += "<br>";
        }
        trans( *m_desc).str(str);
    }
    m_lastPointed = node;
}