summaryrefslogtreecommitdiffstats
path: root/kexi/core/kexiviewbase.cpp
blob: c4eb3eaa29deac1f8bb58c1002688030f91d6ae9 (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
/* This file is part of the KDE project
   Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>

   This library 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.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "kexiviewbase.h"

#include "keximainwindow.h"
#include "kexidialogbase.h"
#include "kexiproject.h"
#include <koproperty/set.h>

#include <kexidb/connection.h>
#include <kexidb/utils.h>
#include <kexiutils/utils.h>

#include <kdebug.h>

KexiViewBase::KexiViewBase(KexiMainWindow *mainWin, TQWidget *parent, const char *name)
 : TQWidget(parent, name)
 , KexiActionProxy(TQT_TQOBJECT(this), mainWin)
 , m_mainWin(mainWin)
 , m_viewWidget(0)
 , m_parentView(0)
 , m_newlyAssignedID(-1)
 , m_viewMode(0) //unknown!
 , m_dirty(false)
{
	TQWidget *wi=this;
	while ((wi = wi->parentWidget()) && !wi->inherits("KexiDialogBase"))
		;
	m_dialog = (wi && wi->inherits("KexiDialogBase")) ? static_cast<KexiDialogBase*>(wi) : 0;
	if (m_dialog) {
		//init view mode number for this view (obtained from dialog where this view is created)
		if (m_dialog->supportsViewMode(m_dialog->m_creatingViewsMode))
			m_viewMode = m_dialog->m_creatingViewsMode;
	}

	installEventFilter(this);
}

KexiViewBase::~KexiViewBase()
{
}

KexiPart::Part* KexiViewBase::part() const
{
	return m_dialog ? m_dialog->part() : 0;
}

tristate KexiViewBase::beforeSwitchTo(int /* mode */, bool & /*dontStore*/)
{
	return true;
}

tristate KexiViewBase::afterSwitchFrom(int /* mode */)
{
	return true;
}

TQSize KexiViewBase::preferredSizeHint(const TQSize& otherSize)
{
	KexiDialogBase* dlg = parentDialog();
	if (dlg && dlg->mdiParent()) {
		TQRect r = dlg->mdiParent()->mdiAreaContentsRect();
		return otherSize.boundedTo( TQSize(
			r.width() - 10,
			r.height() - dlg->mdiParent()->captionHeight() - dlg->pos().y() - 10
		) );
	}
	return otherSize;
}

void KexiViewBase::closeEvent( TQCloseEvent * e )
{
	bool cancel = false;
	emit closing(cancel);
	if (cancel) {
		e->ignore();
		return;
	}
	TQWidget::closeEvent(e);
}

KoProperty::Set *KexiViewBase::propertySet()
{
	return 0;
}

void KexiViewBase::propertySetSwitched()
{
	if (parentDialog())
		m_mainWin->propertySetSwitched( parentDialog(), false );
}

void KexiViewBase::propertySetReloaded(bool preservePrevSelection, const TQCString& propertyToSelect)
{
	if (parentDialog())
		m_mainWin->propertySetSwitched( parentDialog(), true, preservePrevSelection, propertyToSelect );
}

void KexiViewBase::setDirty(bool set)
{
/*	if (m_dirty == set) {//no change here
		if (m_dialog) {
			// however, it's a change from dialog perspective
			if (m_dialog->dirty()!=set)
				m_dialog->dirtyChanged();
		}
		return;
	}*/
	const bool changed = (m_dirty != set);
	m_dirty = set;
	m_dirty = dirty();
//	if (m_dirty!=set)//eventually didn't change
//		return;
	if (m_parentView) {
		m_parentView->setDirty(m_dirty);
	}
	else {
		if (changed && m_dialog)
			m_dialog->dirtyChanged(this);
	}
}

/*bool KexiViewBase::saveData()
{
	//TODO....

	//finally:
	setDirty(false);
	return true;
}*/

KexiDB::SchemaData* KexiViewBase::storeNewData(const KexiDB::SchemaData& sdata, bool & /*cancel*/)
{
	KexiDB::SchemaData *new_schema = new KexiDB::SchemaData();
	*new_schema = sdata;

	if (!m_mainWin->project()->dbConnection()
			->storeObjectSchemaData( *new_schema, true ))
	{
		delete new_schema;
		new_schema=0;
	}
	m_newlyAssignedID = new_schema->id();
	return new_schema;
}

tristate KexiViewBase::storeData(bool dontAsk)
{
	Q_UNUSED(dontAsk);
	if (!m_dialog || !m_dialog->schemaData())
		return false;
	if (!m_mainWin->project()->dbConnection()
			->storeObjectSchemaData( *m_dialog->schemaData(), false /*existing object*/ ))
	{
		return false;
	}
	setDirty(false);
	return true;
}

bool KexiViewBase::loadDataBlock( TQString &dataString, const TQString& dataID, bool canBeEmpty )
{
	if (!m_dialog)
		return false;
	const tristate res = m_mainWin->project()->dbConnection()->loadDataBlock(m_dialog->id(), dataString, dataID);
	if (canBeEmpty && ~res) {
		dataString = TQString();
		return true;
	}
	return res == true;
}

bool KexiViewBase::storeDataBlock( const TQString &dataString, const TQString &dataID )
{
	if (!m_dialog)
		return false;
	int effectiveID;
	if (m_newlyAssignedID>0) {//ID not yet stored within dialog, but we've got ID here
		effectiveID = m_newlyAssignedID;
		m_newlyAssignedID = -1;
	}
	else
		effectiveID = m_dialog->id();

	return effectiveID>0
		&& m_mainWin->project()->dbConnection()->storeDataBlock(effectiveID, dataString, dataID);
}

bool KexiViewBase::removeDataBlock( const TQString& dataID )
{
	if (!m_dialog)
		return false;
	return m_mainWin->project()->dbConnection()->removeDataBlock(m_dialog->id(), dataID);
}

bool KexiViewBase::eventFilter( TQObject *o, TQEvent *e )
{
	if (e->type()==TQEvent::FocusIn || e->type()==TQEvent::FocusOut) {// && o->inherits(TQWIDGET_OBJECT_NAME_STRING)) {
//		//hp==true if currently focused widget is a child of this table view
//		const bool hp = Kexi::hasParent( static_cast<TQWidget*>(o), focusWidget());
//		kexidbg << "KexiViewBase::eventFilter(): " << o->name() << " " << e->type() << endl;
		if (KexiUtils::hasParent( TQT_TQOBJECT(this), TQT_TQOBJECT(o))) {
			if (e->type()==TQEvent::FocusOut && focusWidget() && !KexiUtils::hasParent( TQT_TQOBJECT(this), TQT_TQOBJECT(focusWidget()))) {
				//focus out: when currently focused widget is not a parent of this view
				emit focus(false);
			} else if (e->type()==TQEvent::FocusIn) {
				emit focus(true);
			}
			if (e->type()==TQEvent::FocusOut) { // && focusWidget() && Kexi::hasParent( this, focusWidget())) { // && focusWidget()->inherits("KexiViewBase")) {
//				kdDebug() << focusWidget()->className() << " " << focusWidget()->name()<< endl;
//				kdDebug() << o->className() << " " << o->name()<< endl;
				KexiViewBase *v = KexiUtils::findParent<KexiViewBase>(o, "KexiViewBase") ;
//				TQWidget *www=v->focusWidget();
				if (v) {
					while (v->m_parentView)
						v = v->m_parentView;
					if (KexiUtils::hasParent( TQT_TQOBJECT(this), TQT_TQOBJECT(v->focusWidget()) ))
						v->m_lastFocusedChildBeforeFocusOut = static_cast<TQWidget*>(v->focusWidget());
//					v->m_lastFocusedChildBeforeFocusOut = static_cast<TQWidget*>(o); //focusWidget();
				}
			}

			if (e->type()==TQEvent::FocusIn && m_actionProxyParent) {
				m_actionProxyParent->m_focusedChild = this;
			}
//			m_mainWin->invalidateSharedActions(this);
		}
	}
	return false;
}

void KexiViewBase::setViewWidget(TQWidget* w, bool focusProxy)
{
	if (m_viewWidget == w)
		return;
	if (m_viewWidget) {
		m_viewWidget->removeEventFilter(this);
	}
	m_viewWidget = w;
	if (m_viewWidget) {
		m_viewWidget->installEventFilter(this);
		if (focusProxy)
			setFocusProxy(m_viewWidget); //js: ok?
	}
}

void KexiViewBase::addChildView( KexiViewBase* childView )
{
	m_children.append( childView );
	addActionProxyChild( childView );
	childView->m_parentView = this;
//	if (m_parentView)
//		childView->installEventFilter(m_parentView);
	childView->installEventFilter(this);

}

void KexiViewBase::setFocus()
{
	if (!m_lastFocusedChildBeforeFocusOut.isNull()) {
//		kdDebug() << "FOCUS: " << m_lastFocusedChildBeforeFocusOut->className() << " " << m_lastFocusedChildBeforeFocusOut->name()<< endl;
		TQWidget *w = m_lastFocusedChildBeforeFocusOut;
		m_lastFocusedChildBeforeFocusOut = 0;
		w->setFocus();
	}
	else {
		if (hasFocus())
			setFocusInternal();
		else
			setFocusInternal();
	}
	m_mainWin->invalidateSharedActions(TQT_TQOBJECT(this));
}

TDEAction* KexiViewBase::sharedAction( const char *action_name )
{
	if (part()) {
		TDEActionCollection *ac;
		if ( (ac = part()->actionCollectionForMode( viewMode() )) ) {
			TDEAction* a = ac->action( action_name );
			if (a)
				return a;
		}
	}
	return KexiActionProxy::sharedAction(action_name);
}

void KexiViewBase::setAvailable(const char* action_name, bool set)
{
	if (part()) {
		TDEActionCollection *ac;
		TDEAction* a;
		if ( (ac = part()->actionCollectionForMode( viewMode() )) && (a = ac->action( action_name )) ) {
			a->setEnabled(set);
//why?			return;
		}
	}
	KexiActionProxy::setAvailable(action_name, set);
}

void KexiViewBase::updateActions(bool activated)
{
	//do nothing here
	//do the same for children :)
 	for (TQPtrListIterator<KexiViewBase> it(m_children); it.current(); ++it) {
		it.current()->updateActions(activated);
	}
}

#include "kexiviewbase.moc"