src/movelist_textual.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@gmail.com>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #ifdef HAVE_KHTML
  12
  13 #include <boost/shared_ptr.hpp>
  14 #include <iostream>
  15 #include <QFile>
  16 #include <QHBoxLayout>
  17 #include <QTextStream>
  18 #include <kurl.h>
  19 #include <dom/html_document.h>
  20 #include <dom/html_element.h>
  21 #include <dom/dom_element.h>
  22 #include <dom/dom_text.h>
  23 #include <kstandarddirs.h>
  24 #include "mastersettings.h"
  25 #include "decoratedmove.h"
  26 #include "movelist_p.h"
  27 #include "movelist_textual.h"
  28
  29 namespace MoveList {
  30
  31 Textual::Textual(QWidget *parent)
  32 : KHTMLPart(parent, parent, KHTMLPart::BrowserViewGUI)
  33 , m_curr_selected(-1)
  34 , m_layout_style(0) {
  35
  36   m_loader.setSize(12);
  37
  38   connect(browserExtension(), SIGNAL(openUrlRequest(const KUrl&,const KParts::URLArgs&)),
  39                                                                     this, SLOT(onURL(const KUrl&)));
  40   setJScriptEnabled(false);
  41   setJavaEnabled(false);
  42   setMetaRefreshEnabled(false);
  43   setPluginsEnabled(false);
  44
  45   QString fpath = KStandardDirs::locate("appdata", "scripts/movelist_textual.html");
  46   //kDebug() << "HTML file is:"<< fpath;
  47   QFile file(fpath);
  48   file.open(QIODevice::ReadOnly);
  49   QTextStream stream(&file);
  50   QString html = stream.readAll();
  51   //kDebug() << "Using HTML:"<<html;
  52
  53   begin();
  54   write(html);
  55   end();
  56   setMove(0, -1, "Mainline:");
  57 }
  58
  59 static void clear_node(DOM::Node n) {
  60   if(!n.isNull())
  61   while(1) {
  62     DOM::Node f = n.firstChild();
  63     if(f.isNull())
  64       break;
  65     n.removeChild(f);
  66   }
  67 }
  68
  69 static void clear_from(DOM::Node n) {
  70   DOM::Node p = n.parentNode();
  71   while(1) {
  72     DOM::Node next = n.nextSibling();
  73     p.removeChild(n);
  74     if(next.isNull())
  75       break;
  76     n = next;
  77   }
  78 }
  79
  80 void Textual::onURL(const KUrl &url) {
  81   QString u = url.url();
  82   if(!u.startsWith("index://")) {
  83     kDebug() << " --> Error in Textual::onURL, what should i do with url \""<< u <<"\"?";
  84     return;
  85   }
  86   QString p = u.mid(8);
  87   Index ix = Index::fromString(p);
  88   kDebug() << "Open Link \"" << p << "\" = \"" << ix << "\"";
  89   m_notifier->onUserSelectMove(ix);
  90 }
  91
  92 void Textual::setComment(const Index& index, const QString& comment) {
  93   DOM::HTMLDocument document = htmlDocument();
  94   DOM::Element this_cm = document.getElementById("cm_"+index);
  95   if(this_cm.isNull()) {
  96     kDebug() << " --> Error in Textual::setComment, invalid index!";
  97     return;
  98   }
  99
 100   clear_node(this_cm);
 101   if(!comment.isEmpty()) {
 102     this_cm.appendChild(document.createTextNode(comment));
 103     this_cm.appendChild(document.createTextNode(QString(" ")));
 104   }
 105 }
 106
 107 void Textual::setVComment(const Index& index, int v, const QString& comment) {
 108   DOM::HTMLDocument document = htmlDocument();
 109   DOM::Element this_cm = document.getElementById("vk_"+index.next(v));
 110   if(this_cm.isNull()) {
 111     kDebug() << " --> Error in Textual::setVComment, invalid index!";
 112     return;
 113   }
 114
 115   clear_node(this_cm);
 116   if(!comment.isEmpty()) {
 117     this_cm.appendChild(document.createTextNode(comment));
 118     this_cm.appendChild(document.createTextNode(QString(" ")));
 119   }
 120 }
 121
 122 void Textual::remove(const Index& index) {
 123   DOM::HTMLDocument document = htmlDocument();
 124   if(index.atVariationStart()) {
 125     DOM::Element vc = document.getElementById("vc_"+index);
 126     if(!vc.isNull()) {
 127       /* remove a number? */
 128       DOM::Element comm(vc.previousSibling());
 129       DOM::Element mvnum(vc.nextSibling());
 130       if(!mvnum.isNull() && mvnum.getAttribute("id").string().startsWith("nm_") &&
 131             !comm.isNull() && comm.getAttribute("id").string().startsWith("cm_"))
 132       {
 133         DOM::Element move(mvnum.nextSibling());
 134         int mv_num = move.getAttribute("mvnum").string().toInt();
 135         int sub_mv_num = move.getAttribute("submvnum").string().toInt();
 136         if(!(mv_num>0 && (sub_mv_num==0 && (mv_num%2 || m_layout_style))))
 137           mvnum.parentNode().removeChild(mvnum);
 138       }
 139       vc.parentNode().removeChild(vc);
 140     }
 141   }
 142   else {
 143     DOM::Element rm = document.getElementById("nm_"+index);
 144     if(rm.isNull())
 145       rm = document.getElementById("mv_"+index);
 146     if(!rm.isNull())
 147       clear_from(rm);
 148   }
 149   if(m_curr_selected >= index)
 150     m_curr_selected = Index(-1);
 151 }
 152
 153 void Textual::select(const Index& index) {
 154   if(index == m_curr_selected)
 155     return;
 156   DOM::HTMLDocument document = htmlDocument();
 157   DOM::Element currs = document.getElementById("mv_"+m_curr_selected);
 158   DOM::Element news = document.getElementById("mv_"+index);
 159   if(!currs.isNull())
 160     currs.style().removeProperty("background-color");
 161   if(!news.isNull())
 162     news.style().setProperty("background-color", "#C0E0FF", "important");
 163   m_curr_selected = index;
 164 }
 165
 166
 167 void Textual::setMove(const Index& index, int turn, const QString& move,
 168                                             const QString& comment) {
 169   DecoratedMove m;
 170   m << MovePart(move);
 171   setMove(index, turn, m, comment);
 172 }
 173
 174 // void Textual::setMove(const Index& index, int turn, const DecoratedMove& move,
 175 //                                                           const QString& comment) {
 176 //   setMove(index, turn, move[0].m_string, comment);
 177 // }
 178
 179 void Textual::setMove(const Index& index, int turn, const DecoratedMove& move,
 180                                                           const QString& comment) {
 181   //kDebug() << "i= " << index;
 182   DOM::HTMLDocument document = htmlDocument();
 183   QString istr = (QString)index;
 184
 185   DOM::Element this_mv = document.getElementById("mv_"+istr);
 186   DOM::Element this_cm = document.getElementById("cm_"+istr);
 187   if(!this_mv.isNull() && !this_cm.isNull()) {
 188     clear_node(this_mv);
 189     for(int i=0;i<move.size();i++) {
 190       DOM::Text t = document.createTextNode(move[i].m_string);
 191       this_mv.appendChild(t);
 192     }
 193
 194     clear_node(this_cm);
 195     if(!comment.isEmpty()) {
 196       this_cm.appendChild(document.createTextNode(comment));
 197       this_cm.appendChild(document.createTextNode(QString(" ")));
 198     }
 199     return;
 200   }
 201
 202   DOM::Element parent;
 203   DOM::Element prev_mv;
 204   DOM::Element prev_cm;
 205
 206   if(index != Index(0)) {
 207     prev_cm = document.getElementById("cm_"+index.prev());
 208     prev_mv = document.getElementById("mv_"+index.prev());
 209     if(prev_cm.isNull() || prev_mv.isNull()) {
 210       kDebug() << " --> Error in Textual::setMove, no previous move!";
 211       return;
 212     }
 213   }
 214
 215   int mv_num = 0;
 216   int sub_mv_num = 0;
 217   if(!prev_mv.isNull()) {
 218     int prev_turn = prev_mv.getAttribute("turn").string().toInt();
 219     int prev_mv_num = prev_mv.getAttribute("mvnum").string().toInt();
 220     int prev_sub_mv_num = prev_mv.getAttribute("submvnum").string().toInt();
 221     if(prev_turn != turn)
 222       mv_num = prev_mv_num+1;
 223     else {
 224       mv_num = prev_mv_num;
 225       sub_mv_num = prev_sub_mv_num+1;
 226     }
 227   }
 228
 229   if(!index.nested.size()) {
 230     parent = document.body();
 231     if(parent.isNull()) {
 232       kDebug() << "QUEEEEEEEEE!!!!!!!";
 233       return;
 234     }
 235   }
 236   else if(index.atVariationStart()) {
 237     QString var_id = "vc_" + istr;
 238     DOM::Element add_before = prev_cm.nextSibling();
 239
 240     while(!add_before.isNull()) {
 241
 242       QString id = add_before.getAttribute("id").string();
 243       if(id.startsWith("vc_") && id < var_id)
 244         add_before = add_before.nextSibling();
 245       else
 246         break;
 247     }
 248
 249     DOM::Element var_el = document.createElement("span");
 250     var_el.setAttribute("id", var_id);
 251     var_el.setAttribute("class", "variation");
 252     var_el.appendChild(document.createTextNode("[ "));
 253
 254
 255     parent = document.createElement("span");
 256     parent.setAttribute("id", "vr_" + istr);
 257     DOM::Element vk_el = document.createElement("span");
 258     vk_el.setAttribute("id", "vk_" + istr);
 259     vk_el.setAttribute("class", "comment");
 260     //vk_el.setContentEditable(true);
 261     parent.appendChild(vk_el);
 262     var_el.appendChild(parent);
 263
 264     var_el.appendChild(document.createTextNode("] "));
 265     prev_cm.parentNode().insertBefore(var_el, add_before);
 266
 267     if(!add_before.isNull() && add_before.getAttribute("id").string().startsWith("mv_")) {
 268       int mv_num = add_before.getAttribute("mvnum").string().toInt();
 269       int sub_mv_num = add_before.getAttribute("submvnum").string().toInt();
 270       QString num_str;
 271       if(m_layout_style == 0) {
 272         if(mv_num%2)
 273           num_str = QString("%1. ").arg((mv_num+1)/2);
 274         else
 275           num_str = QString("%1. ... ").arg((mv_num+2)/2);
 276       }
 277       else {
 278         if(sub_mv_num==0)
 279           num_str = QString("%1. ").arg(mv_num);
 280         else
 281           num_str = QString("%1+%2. ").arg(mv_num).arg(sub_mv_num);
 282       }
 283       DOM::Element num_el = document.createElement("a");
 284       num_el.setAttribute("class", "mvnum");
 285       num_el.setAttribute("id", "nm_"+istr);
 286       num_el.appendChild(document.createTextNode(num_str));
 287       prev_cm.parentNode().insertBefore(num_el, add_before);
 288     }
 289   }
 290   else {
 291     Index pi = index.prev(index.nested.back().num_moves);
 292     parent = document.getElementById("vr_"+pi);
 293     if(parent.isNull()) {
 294       kDebug() << " --> Error in Textual::setMove, no variation?!?!?";
 295       return;
 296     }
 297   }
 298
 299   if(mv_num>0 && ((sub_mv_num==0 && (mv_num%2 || m_layout_style)) || parent.lastChild() != prev_cm) ) {
 300     QString num_str;
 301     if(m_layout_style == 0) {
 302       if(mv_num%2)
 303         num_str = QString("%1. ").arg((mv_num+1)/2);
 304       else
 305         num_str = QString("%1. ... ").arg((mv_num+2)/2);
 306     }
 307     else {
 308       if(sub_mv_num==0)
 309         num_str = QString("%1. ").arg(mv_num);
 310       else
 311         num_str = QString("%1+%2. ").arg(mv_num).arg(sub_mv_num);
 312     }
 313     DOM::Element num_el = document.createElement("a");
 314     num_el.setAttribute("class", "mvnum");
 315     num_el.setAttribute("id", "nm_"+istr);
 316     num_el.appendChild(document.createTextNode(num_str));
 317     parent.appendChild(num_el);
 318   }
 319
 320   DOM::Element mv_el = document.createElement("a");
 321   mv_el.setAttribute("id", "mv_"+istr);
 322   mv_el.setAttribute("href", "index://"+istr);
 323   mv_el.setAttribute("class", "move");
 324   mv_el.setAttribute("turn", QString::number(turn));
 325   mv_el.setAttribute("mvnum", QString::number(mv_num));
 326   mv_el.setAttribute("submvnum", QString::number(sub_mv_num));
 327   for(int i=0;i<move.size();i++) {
 328     if(move[i].m_type == MovePart::Figurine) {
 329       ::Loader::Glyph g = m_loader.getValue< ::Loader::Glyph>(move[i].m_string);
 330       DOM::Element el = document.createElement("span");
 331 #if 1
 332       kDebug() << "size = " << QString("%1%").arg(g.m_font.pointSize()*100/12);
 333       el.style().setProperty("font-size", QString("%1%").arg(g.m_font.pointSize()*100/12), "important");
 334       el.style().setProperty("line-height", QString("%1%").arg(g.m_font.pointSize()*100/12), "important");
 335 #endif
 336       kDebug() << "familiy = " << g.m_font.family();
 337       el.style().setProperty("font-weight", "normal", "important");
 338       el.style().setProperty("font-family", g.m_font.family(), "important");
 339       DOM::Text t = document.createTextNode(QString(g.m_char));
 340       el.appendChild(t);
 341       mv_el.appendChild(el);
 342     }
 343     else {
 344       DOM::Text t = document.createTextNode(move[i].m_string);
 345       mv_el.appendChild(t);
 346     }
 347   }
 348   parent.appendChild(mv_el);
 349
 350   parent.appendChild(document.createTextNode(QString(" ")));
 351
 352   DOM::Element cm_el = document.createElement("span");
 353   cm_el.setAttribute("id", "cm_"+istr);
 354   cm_el.setAttribute("class", "comment");
 355   if(!comment.isEmpty()) {
 356     cm_el.appendChild(document.createTextNode(comment));
 357     cm_el.appendChild(document.createTextNode(QString(" ")));
 358   }
 359   //cm_el.setContentEditable(true);
 360   parent.appendChild(cm_el);
 361 }
 362
 363 void Textual::reset() {
 364   clear_node(htmlDocument().body());
 365   setMove(0, -1, "Mainline:");
 366 }
 367
 368 Notifier* Textual::getNotifier() {
 369   return m_notifier;
 370 }
 371
 372 void Textual::setNotifier(Notifier* n, bool detach_prev) {
 373   if(detach_prev && m_notifier && m_notifier != n)
 374     m_notifier->onDetachNotifier();
 375   m_notifier = n;
 376 }
 377
 378 int Textual::layoutStyle() {
 379   return m_layout_style;
 380 }
 381
 382 void Textual::setLayoutStyle(int x) {
 383   m_layout_style = x;
 384 }
 385
 386
 387 } //end namespace MoveList
 388
 389 #endif //HAVE_KHTML