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main.cpp
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/*main.cpp, part of ui2html
*
* Copyright 2021 Ashok Shankar Das <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
*/
#include <QtCore>
#include <QtXml>
#include <QDebug>
#include <QtGlobal>
#include "styles.h"
#include <stdio.h>
#include <stdlib.h>
static int numw=0, nclass=0;
QString basic ="<HTML>" \
"<head>" \
"<body>" \
"</body>" \
"</head>" \
"</HTML>";
void set_html_title(QDomElement e, QDomDocument h)
{
QDomNodeList l=h.elementsByTagName("head");
QDomElement head = l.at(0).toElement();
QDomElement title = h.createElement("title");
QDomText t= h.createTextNode(get_form_name(e));
title.appendChild(t);
head.appendChild(title);
}
QString get_html_title(QDomElement h)
{
QDomNode n;
while(h.tagName()!="HTML")
{
h=h.parentNode().toElement();
}
QDomNodeList l=h.elementsByTagName("title");
return(l.at(0).toElement().text());
}
QDomElement get_html_head_tag(QDomElement h)
{
QDomNode n;
while(h.tagName()!="HTML")
{
h=h.parentNode().toElement();
}
QDomNodeList l=h.elementsByTagName("head");
return(l.at(0).toElement());
}
QDomElement get_html_body_tag(QDomElement h)
{
QDomNode n;
while(h.tagName()!="HTML")
{
h=h.parentNode().toElement();
}
QDomNodeList l=h.elementsByTagName("body");
return(l.at(0).toElement());
}
void do_prime(QDomElement e,QDomDocument h)
{
if(!e.hasChildNodes())
return;
set_html_title(e,h);
qDebug()<<"have property";
QDomNodeList l = e.childNodes();
//QDomNodeList l = e.elementsByTagName("propery");
int n = l.count();
QString element_style = get_element_style(e);
qDebug()<<"Element style"<<element_style;
QDomNodeList html_l=h.elementsByTagName("body");
QDomElement body = html_l.at(0).toElement();
QDomElement div = h.createElement("div");
div.setAttribute("style",element_style);
body.appendChild(div);
qDebug()<<e.attribute("name")<<" Number of child "<<n;
}
//advance declarations
void do_QLabel(QDomElement e,QDomElement h);
void do_QLineEdit(QDomElement e,QDomElement h);
void do_QPushButton(QDomElement e,QDomElement h);
void do_QCheckBox(QDomElement e,QDomElement h);
void do_QRadioButton(QDomElement e, QDomElement h);
void do_QComboBox(QDomElement e, QDomElement h);
void do_QPlainTextEdit(QDomElement e,QDomElement h);
void do_QTextEdit(QDomElement e,QDomElement h);
void do_QTextBrowser(QDomElement e,QDomElement h);
void do_QTableWidget(QDomElement e,QDomElement h);
void do_QDateEdit(QDomElement e,QDomElement h);
void do_QTimeEdit(QDomElement e,QDomElement h);
// our deligator
void do_child_widget(QDomElement e, QDomElement h_ele)
{
qDebug()<<"Current ui element = "<<e.attribute("class")<<" current HTML tag"<<h_ele.tagName();
QString child_typ = get_element_type(e);
if(child_typ =="QLabel")
do_QLabel(e,h_ele);
if(child_typ =="QLineEdit")
do_QLineEdit(e,h_ele);
if(child_typ == "QPushButton")
do_QPushButton(e,h_ele);
if(child_typ == "QCheckBox")
do_QCheckBox(e,h_ele);
if(child_typ == "QRadioButton")
do_QRadioButton(e,h_ele);
if(child_typ == "QComboBox")
do_QComboBox(e,h_ele);
if(child_typ == "QPlainTextEdit")
do_QPlainTextEdit(e,h_ele);
if(child_typ == "QTextEdit")
do_QTextEdit(e,h_ele);
if(child_typ == "QTextBrowser")
do_QTextBrowser(e,h_ele);
if(child_typ == "QTableWidget")
do_QTableWidget(e,h_ele);
if(child_typ == "QDateEdit")
do_QDateEdit(e,h_ele);
if(child_typ == "QTimeEdit")
do_QTimeEdit(e,h_ele);
}
void do_common(QDomElement e, QDomDocument h)
{
// till this point we created an html file with head and set its title
// a body and set global sizepolicy in a div tag
// so first we have to go till yhat point in HTML
QDomElement h_ele = h.elementsByTagName("div").at(0).toElement();
//qDebug()<<h_ele.tagName();
if(e.hasChildNodes())
{
QDomNodeList l = e.elementsByTagName("widget");
qDebug()<<"number of elements by tag name = "<<l.count();
for(int i =0; i<l.count(); i++)
{
do_child_widget(l.at(i).toElement(),h_ele);
numw++;
}
}
}
//our widgets real workers
void do_QDialog(QDomElement e,QDomDocument h)
{
do_prime(e,h);
do_common(e,h);
}
void do_QMainWindow(QDomElement e, QDomDocument h)
{
do_prime(e,h);
do_common(e,h);
}
void do_QWidget(QDomElement e,QDomDocument h)
{
do_prime(e,h);
do_common(e,h);
}
void do_QCheckBox(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement span =hd.createElement("span");
QDomElement inp =hd.createElement("input");
inp.setAttribute("type","checkbox");
QDomText t=hd.createTextNode(get_widget_display_text(e));
span.appendChild(inp);
span.setAttribute("style",get_element_style(e));
span.appendChild(t);
h.appendChild(span);
}
void do_QRadioButton(QDomElement e, QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement span =hd.createElement("span");
QDomElement inp =hd.createElement("input");
inp.setAttribute("type","radio");
inp.setAttribute("id",get_element_name(e));
inp.setAttribute("name",get_element_name(e));
inp.setAttribute("value",get_widget_display_text(e));
QDomText t=hd.createTextNode(get_widget_display_text(e));
span.appendChild(inp);
span.setAttribute("style",get_element_style(e));
span.appendChild(t);
h.appendChild(span);
}
void do_QComboBox(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement sel = hd.createElement("select");
sel.setAttribute("style",get_element_style(e));
sel.setAttribute("id",get_element_name(e));
sel.setAttribute("name",get_element_name(e));
sel.setAttribute("form",get_html_title(h));
QStringList sl;
QDomNodeList l = e.elementsByTagName("item");
for(int i=0; i<l.count(); i++)
{
//qDebug()<<l.at(i).toElement().text();
QDomElement opt = hd.createElement("option");
QDomText t=hd.createTextNode(l.at(i).toElement().text());
opt.appendChild(t);
sel.appendChild(opt);
}
//qDebug()<<"Title = "<<get_html_title(h);
h.appendChild(sel);
}
void do_QDateEdit(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("input");
he.setAttribute("type","date");
he.setAttribute("id",get_element_name(e));
he.setAttribute("name",get_element_name(e));
he.setAttribute("value",get_widget_display_text(e));
he.setAttribute("style",get_element_style(e));
h.appendChild(he);
}
void do_QTimeEdit(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("input");
he.setAttribute("type","time");
he.setAttribute("id",get_element_name(e));
he.setAttribute("name",get_element_name(e));
he.setAttribute("value",get_widget_display_text(e));
he.setAttribute("style",get_element_style(e));
h.appendChild(he);
}
void do_QLabel(QDomElement e,QDomElement h)
{
QDomDocument hd;
hd = h.toDocument();
QDomElement he= hd.createElement("div");
he.setTagName("label");
QDomText t= hd.createTextNode(get_widget_display_text(e));
he.appendChild(t);
he.setAttribute("style",get_element_style(e));
h.appendChild(he);
}
void do_QLineEdit(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("input");
//he.setTagName("input");
he.setAttribute("type","text");
he.setAttribute("id",get_element_name(e));
he.setAttribute("name",get_element_name(e));
he.setAttribute("value",get_widget_display_text(e));
he.setAttribute("style",get_element_style(e));
h.appendChild(he);
}
void do_QTextEdit(QDomElement e, QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("div");
QString stylestr = get_element_style(e);
stylestr += "word-break:break-all;word-wrap:break-word;";
stylestr += "overflow:auto;";
he.setAttribute("style",stylestr);
QString html_str="";
QDomNodeList l = e.elementsByTagName("property");
QDomDocument dc;
for(int i=0; i<l.count(); i++)
{
if(l.at(i).toElement().attribute("name")=="html")
{
html_str +=l.at(i).toElement().text();
dc.setContent(html_str);
}
}
QDomElement be = dc.elementsByTagName("body").at(0).toElement();
QDomElement ndiv = hd.createElement("div");
QString styl = dc.elementsByTagName("body").at(0).toElement().attribute("style");
ndiv.appendChild(be);
he.appendChild(ndiv);
h.appendChild(he);
}
void do_QTextBrowser(QDomElement e, QDomElement h)
{
do_QTextEdit(e,h);
}
void do_QPlainTextEdit(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement tarea = hd.createElement("textarea");
QDomText t;
QDomNodeList l = e.elementsByTagName("property");
for(int i=0; i<l.count();i++)
{
if(l.at(i).toElement().attribute("name")=="plainText")
{
t= hd.createTextNode(l.at(i).toElement().text());
}
}
tarea.appendChild(t);
tarea.setAttribute("style",get_element_style(e));
h.appendChild(tarea);
}
void do_QPushButton(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("input");
he.setAttribute("type","button");
he.setAttribute("id",get_element_name(e));
// we are creating a onclick cb function for any button
QString cb_fn = "on_"+get_element_name(e)+"_clicked()";
he.setAttribute("onclick",cb_fn);
he.setAttribute("name",get_element_name(e));
he.setAttribute("value",get_widget_display_text(e));
he.setAttribute("style",get_element_style(e));
h.appendChild(he);
}
void do_QTableWidget(QDomElement e,QDomElement h)
{
QDomDocument hd = h.toDocument();
QDomElement he = hd.createElement("table");
he.setAttribute("border","1");
QString style_str = get_element_style(e);
style_str += "border=1px;word-break:break-all;word-wrap:break-word;resize:none;";
style_str += "overflow:auto;";
//line header
QDomElement etr = hd.createElement("tr");
etr.setAttribute("style","background:#CFCFCF;");
etr.appendChild(hd.createElement("td"));
he.appendChild(etr);
//column heads
QDomNodeList lc = e.elementsByTagName("column");
//qDebug()<<"Number of columns = "<<lc.count();
for(int i=0; i<lc.count(); i++)
{
QDomElement tmp_td = hd.createElement("td");
QString c_str = get_widget_display_text(lc.at(i).toElement());
QDomText t=hd.createTextNode(c_str);
//qDebug()<<"column text"<<c_str;
tmp_td.appendChild(t);
etr.appendChild(tmp_td);
}
QDomNodeList itm_list =e.elementsByTagName("item");
// rows
QDomNodeList lr = e.elementsByTagName("row");
//qDebug()<<"Number of rows = "<<lr.count();
for(int j=0; j<lr.count(); j++)
{
QDomElement tmp_tr = hd.createElement("tr");
etr.appendChild(tmp_tr);
QDomElement tmp_td = hd.createElement("td");
QString rc_str = get_widget_display_text(lr.at(j).toElement());
QDomText t = hd.createTextNode(rc_str);
tmp_td.setAttribute("style","background:#CFCFCF;");
tmp_td.appendChild(t);
tmp_tr.appendChild(tmp_td);
etr.appendChild(tmp_tr);
// here iterate to retrive column data for each row
// and populate it.
for(int k=0; k<lc.count(); k++)
{
QDomElement tmp_td = hd.createElement("td");
tmp_tr.appendChild(tmp_td);
QString itm_str = get_widget_display_text(itm_list.at(lc.count()*j+k).toElement());
QDomText t= hd.createTextNode(itm_str);
tmp_td.appendChild(t);
}
}
he.setAttribute("style",style_str);
h.appendChild(he);
}
void do_class_root(QDomElement e, QDomDocument htdoc)
{
qDebug()<<"class = "<<e.text();
QDomNodeList l=htdoc.elementsByTagName("head");
QDomElement head = l.at(0).toElement();
head.setAttribute("class",e.text());
}
void process_connections(QDomElement e, QDomDocument htdoc)
{
QDomNodeList con_list = e.elementsByTagName("connection");
int num_con = con_list.count();
QString cb_str="";
qDebug()<<"number of connections = "<<num_con;
for(int con=0; con<num_con; con++)
{
QDomElement con_e = con_list.at(con).toElement();
cb_str +="\nfunction on_"+ con_e.elementsByTagName("sender").at(0).toElement().text();
cb_str +="_"+con_e.elementsByTagName("signal").at(0).toElement().text();
cb_str += "{";
cb_str += "alert(\"placeholder\")";
cb_str +="\n}\n";
}
QDomText t = htdoc.createTextNode(cb_str);
QDomElement script=htdoc.createElement("script");
script.appendChild(t);
QDomElement head_e = get_html_head_tag(htdoc.firstChildElement());
head_e.appendChild(script);
}
void do_widget_root(QDomElement e, QDomDocument htdoc)
{
QString wtype=e.attribute("class");
qDebug()<<"widget = "<<wtype;
// tagname == widget and property class == QMainWindow
if(wtype=="QMainWindow")
do_QMainWindow(e,htdoc);
if(wtype == "QWidget")
do_QWidget(e,htdoc);
if(wtype == "QDialog")
do_QDialog(e,htdoc);
}
void process_qt_ele(QDomElement e, QDomDocument htdoc, int lev)
{
QString eclass, ename;
eclass = e.attribute("class");
ename = e.attribute("name");
if(e.tagName()=="class")
{
nclass++;
do_class_root(e,htdoc);
}
if(e.tagName()=="widget")
{
numw++;
do_widget_root(e, htdoc);
}
if(e.tagName()=="connections")
{
// try extract info and make callback functions
process_connections(e,htdoc);
}
}
int main(int argc, char *argv[])
{
if(argc!=2)
{
qDebug()<<"Syntax"<<argv[0]<<" "<<"<ui file>"<<"\n";
return(-1);
}
QCoreApplication a(argc,argv);
QFile uifile(argv[1]);
QDomDocument dom;
if(!uifile.open(QIODevice::ReadOnly))
{
qDebug()<<"Failed to open file\n";//
return(-1);
}
dom.setContent(&uifile);
uifile.close();
//create output file name from input file by replacing ".ui" by ".html"
QDomDocument html_document; // create a HTML document
html_document.setContent(basic); // set its content from string
QDomElement rootele=dom.documentElement();
//QDomNodeList nodelist=rootele.elementsByTagName("class");
QDomNodeList nodelist=rootele.childNodes();
int num=nodelist.count();
qDebug()<<"number of child = "<<num;
QDomElement ele;
int i;
for(i=0; i<num; i++)
{
QDomNode node=nodelist.item(i);
ele=node.toElement();
if(ele.isNull())
continue;
qDebug()<<"==============="<<ele.tagName()<<"================";
process_qt_ele(ele,html_document,0);
}
qDebug()<<"Number of nodes = "<< num <<"\n";
qDebug()<<"Number of widgets used = "<<numw<<"\n";
qDebug()<<"Number of class = "<<nclass;
QString html_file(argv[1]);
html_file.replace(".ui",".html");
QFile htmlfile(html_file);
if(!htmlfile.open(QIODevice::WriteOnly|QIODevice::Text))
{
qDebug()<<"Error creating output file : "<<html_file;
return(-1);
}
else
{
QTextStream stream(&htmlfile);
stream << html_document.toString();
htmlfile.close();
qDebug() << "Writing is done";
}
}