summaryrefslogtreecommitdiffstats
path: root/utils/themeeditor/gui/skindocument.cpp
blob: 807478807da62359957e2cdb054047957d4025e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2010 Robert Bieber
 *
 * This program is free software;  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 optiyouon) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "skindocument.h"

#include <QFile>
#include <QSettings>
#include <QColor>
#include <QMessageBox>
#include <QFileDialog>

#include <iostream>

#include <QDebug>

const int SkinDocument::updateInterval = 500;

SkinDocument::SkinDocument(QLabel* statusLabel, ProjectModel* project,
                           DeviceState* device, QWidget *parent)
                               :TabContent(parent), statusLabel(statusLabel),
                               project(project), device(device),
                               treeInSync(true)
{
    setupUI();

    titleText = "Untitled";
    fileName = "";
    saved = "";
    parseStatus = tr("Empty document");
    blockUpdate = false;
    currentLine = -1;
}

SkinDocument::SkinDocument(QLabel* statusLabel, QString file,
                           ProjectModel* project, DeviceState* device,
                           QWidget *parent)
                               :TabContent(parent), fileName(file),
                               statusLabel(statusLabel), project(project),
                               device(device), treeInSync(true)
{
    setupUI();
    blockUpdate = false;

    /* Loading the file */
    if(QFile::exists(fileName))
    {
        QFile fin(fileName);
        fin.open(QFile::ReadOnly);
        editor->document()->setPlainText(QString(fin.readAll()));
        saved = editor->document()->toPlainText();
        editor->setTextCursor(QTextCursor(editor->document()->begin()));
        fin.close();
    }

    /* Setting the title */
    QStringList decomposed = fileName.split('/');
    titleText = decomposed.last();

    /* Setting the current screen device setting */
    QString extension = titleText.split(".").last().toLower().right(3);
    if(extension == "wps")
    {
        device->setData("cs", "WPS");
    }
    else if(extension == "sbs")
    {
        device->setData("cs", "Menus");
    }
    else if(extension == "fms")
    {
        device->setData("cs", "FM Radio Screen");
    }

    lastUpdate = QTime::currentTime();
}

SkinDocument::~SkinDocument()
{
    highlighter->deleteLater();
    model->deleteLater();
}

void SkinDocument::connectPrefs(PreferencesDialog* prefs)
{
    QObject::connect(prefs, SIGNAL(accepted()),
                     this, SLOT(settingsChanged()));
    QObject::connect(prefs, SIGNAL(accepted()),
                     highlighter, SLOT(loadSettings()));
}

bool SkinDocument::requestClose()
{
    /* Storing the response in blockUpdate will also block updates to the
       status bar if the tab is being closed */
    if(editor->document()->toPlainText() != saved)
    {
        /* Spawning the "Are you sure?" dialog */
        QMessageBox confirm(this);
        confirm.setWindowTitle(tr("Confirm Close"));
        confirm.setText(titleText + tr(" has been modified."));
        confirm.setInformativeText(tr("Do you want to save your changes?"));
        confirm.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
                                   | QMessageBox::Cancel);
        confirm.setDefaultButton(QMessageBox::Save);
        int confirmation = confirm.exec();

        switch(confirmation)
        {
        case QMessageBox::Save:
            save();
            /* After calling save, make sure the user actually went through */
            if(editor->document()->toPlainText() != saved)
                blockUpdate = false;
            else
                blockUpdate = true;
            break;

        case QMessageBox::Discard:
            blockUpdate = true;
            break;

        case QMessageBox::Cancel:
            blockUpdate = false;
            break;
        }
    }
    else
        blockUpdate = true;

    return blockUpdate;
}

void SkinDocument::setupUI()
{
    /* Setting up the text edit */
    layout = new QHBoxLayout;
    editor = new CodeEditor(this);
    editor->setLineWrapMode(QPlainTextEdit::NoWrap);
    layout->addWidget(editor);

    setLayout(layout);

    /* Attaching the syntax highlighter */
    highlighter = new SkinHighlighter(editor->document());

    /* Setting up the model */
    model = new ParseTreeModel("");

    QObject::connect(model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                     this, SLOT(modelChanged()));

    /* Connecting the editor's signal */
    QObject::connect(editor, SIGNAL(textChanged()),
                     this, SLOT(codeChanged()));
    QObject::connect(editor, SIGNAL(cursorPositionChanged()),
                     this, SLOT(cursorChanged()));

    /* Connecting to device setting changes */
    QObject::connect(device, SIGNAL(settingsChanged()),
                     this, SLOT(deviceChanged()));

    /* Attaching the find/replace dialog */
    findReplace = new FindReplaceDialog(this);
    findReplace->setModal(false);
    findReplace->setTextEdit(editor);
    findReplace->hide();

    settingsChanged();

    /* Setting up a timer to check for updates */
    checkUpdate.setInterval(500);
    QObject::connect(&checkUpdate, SIGNAL(timeout()),
                     this, SLOT(codeChanged()));
}

void SkinDocument::settingsChanged()
{
    /* Setting the editor colors */
    QSettings settings;
    settings.beginGroup("SkinDocument");

    QColor fg = settings.value("fgColor", QColor(Qt::black)).value<QColor>();
    QColor bg = settings.value("bgColor", QColor(Qt::white)).value<QColor>();
    QPalette palette;
    palette.setColor(QPalette::All, QPalette::Base, bg);
    palette.setColor(QPalette::All, QPalette::Text, fg);
    editor->setPalette(palette);

    QColor highlight = settings.value("errorColor", QColor(Qt::red)).value<QColor>();
    editor->setErrorColor(highlight);

    /* Setting the font */
    QFont def("Monospace");
    def.setStyleHint(QFont::TypeWriter);
    QFont family = settings.value("fontFamily", def).value<QFont>();
    family.setPointSize(settings.value("fontSize", 12).toInt());
    editor->setFont(family);

    editor->repaint();

    settings.endGroup();

}

void SkinDocument::cursorChanged()
{
    if(editor->isError(editor->textCursor().blockNumber() + 1))
    {
        QTextCursor line = editor->textCursor();
        line.movePosition(QTextCursor::StartOfLine);
        line.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
        skin_parse(line.selectedText().toLatin1());
        if(skin_error_line() > 0)
            parseStatus = tr("Error on line ") +
                          QString::number(line.blockNumber() + 1)
                          + tr(", column ") + QString::number(skin_error_col())
                          + tr(": ") +
                          skin_error_message();
        statusLabel->setText(parseStatus);
    }
    else if(editor->hasErrors())
    {
        parseStatus = tr("Errors in document");
        statusLabel->setText(parseStatus);
    }
    else if(editor->textCursor().blockNumber() != currentLine)
    {
        currentLine = editor->textCursor().blockNumber();
        emit lineChanged(editor->textCursor().blockNumber() + 1);
    }

}

void SkinDocument::codeChanged()
{
    if(blockUpdate)
        return;

    if(editor->document()->isEmpty())
    {
        parseStatus = tr("Empty document");
        statusLabel->setText(parseStatus);
        return;
    }

    editor->clearErrors();
    parseStatus = model->changeTree(editor->document()->
                                    toPlainText().toLatin1());

    treeInSync = true;
    emit antiSync(false);

    if(skin_error_line() > 0)
        parseStatus = tr("Errors in document");
    statusLabel->setText(parseStatus);

    /* Highlighting if an error was found */
    if(skin_error_line() > 0)
    {
        editor->addError(skin_error_line());

        /* Now we're going to attempt parsing again at each line, until we find
           one that won't error out*/
        QTextDocument doc(editor->document()->toPlainText());
        int base = 0;
        while(skin_error_line() > 0 && !doc.isEmpty())
        {
            QTextCursor rest(&doc);

            for(int i = 0; i < skin_error_line(); i++)
                rest.movePosition(QTextCursor::NextBlock,
                                  QTextCursor::KeepAnchor);
            if(skin_error_line() == doc.blockCount())
                rest.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);

            rest.removeSelectedText();
            base += skin_error_line();

            skin_parse(doc.toPlainText().toLatin1());

            if(skin_error_line() > 0)
                editor->addError(base + skin_error_line());

        }
    }

    if(editor->document()->toPlainText() != saved)
        emit titleChanged(titleText + QChar('*'));
    else
        emit titleChanged(titleText);

    if(lastUpdate.msecsTo(QTime::currentTime()) >= updateInterval)
    {
        model->render(project, device, this, &fileName);
        checkUpdate.stop();
        lastUpdate = QTime::currentTime();
    }
    else
    {
        checkUpdate.start();
    }
    cursorChanged();

}

void SkinDocument::modelChanged()
{
    treeInSync = false;
    emit antiSync(true);
}

void SkinDocument::save()
{
    QFile fout(fileName);

    if(!fout.exists())
    {
        saveAs();
        return;
    }

    fout.open(QFile::WriteOnly);
    fout.write(editor->document()->toPlainText().toLatin1());
    fout.close();

    saved = editor->document()->toPlainText();
    QStringList decompose = fileName.split('/');
    titleText = decompose.last();
    emit titleChanged(titleText);

    scene();

}

void SkinDocument::saveAs()
{
    /* Determining the directory to open */
    QString directory = fileName;

    QSettings settings;
    settings.beginGroup("SkinDocument");
    if(directory == "")
        directory = settings.value("defaultDirectory", "").toString();

    fileName = QFileDialog::getSaveFileName(this, tr("Save Document"),
                                            directory, fileFilter());
    directory = fileName;
    if(fileName == "")
        return;

    directory.chop(fileName.length() - fileName.lastIndexOf('/') - 1);
    settings.setValue("defaultDirectory", directory);
    settings.endGroup();

    QFile fout(fileName);
    fout.open(QFile::WriteOnly);
    fout.write(editor->document()->toPlainText().toLatin1());
    fout.close();

    saved = editor->document()->toPlainText();
    QStringList decompose = fileName.split('/');
    titleText = decompose[decompose.count() - 1];
    emit titleChanged(titleText);

    scene();

}

QString SkinDocument::findSetting(QString key, QString fallback)
{
    if(!project)
        return fallback;
    else
        return project->getSetting(key, fallback);
}