summaryrefslogtreecommitdiffstats
path: root/kexi/widget/tableview/kexiblobtableedit.h
blob: 89de6749716ec3ebf6ca46483931d33ba0b20ac7 (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
/* This file is part of the KDE project
   Copyright (C) 2002 Peter Simonsson <psn@linux.se>
   Copyright (C) 2004, 2006 Jaroslaw Staniek <js@iidea.pl>

   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.

   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
   Library General Public License for more details.

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

#ifndef _KEXIBLOBTABLEEDIT_H_
#define _KEXIBLOBTABLEEDIT_H_

#include <tqcstring.h>
#include <tqcache.h>

#include <kurl.h>

#include "kexitableedit.h"
#include "kexicelleditorfactory.h"

class KTempFile;
class TDEProcess;
class TQTextEdit;

class KexiBlobTableEdit : public KexiTableEdit
{
	TQ_OBJECT
  
	public:
		KexiBlobTableEdit(KexiTableViewColumn &column, TQWidget *parent=0);
		virtual ~KexiBlobTableEdit();

		bool valueIsNull();
		bool valueIsEmpty();

		virtual TQVariant value();

		virtual bool cursorAtStart();
		virtual bool cursorAtEnd();

		/*! Reimplemented: resizes a view(). */
		virtual void resize(int w, int h);

		virtual void showFocus( const TQRect& r, bool readOnly );

		virtual void hideFocus();

		/*! \return total size of this editor, including popup button. */
		virtual TQSize totalSize() const;

		virtual void paintFocusBorders( TQPainter *p, TQVariant &, int x, int y, int w, int h );

		/*! Reimplemented to handle the key events. */
		virtual bool handleKeyPress( TQKeyEvent* ke, bool editorActive );

		/*! Handles double click request coming from the table view. 
		 \return true if it has been consumed. 
		 Reimplemented in KexiBlobTableEdit (to execute "insert file" action. */
		virtual bool handleDoubleClick();

		/*! Handles action having standard name \a actionName. 
		 Action could be: "edit_cut", "edit_paste", etc. */
		virtual void handleAction(const TQString& actionName);

		/*! Handles copy action for value. The \a value is copied to clipboard in format appropriate 
		 for the editor's impementation, e.g. for image cell it can be a pixmap. 
		 \a visibleValue is unused here. Reimplemented after KexiTableEdit. */
		virtual void handleCopyAction(const TQVariant& value, const TQVariant& visibleValue);

		virtual void setupContents( TQPainter *p, bool focused, const TQVariant& val, 
			TQString &txt, int &align, int &x, int &y_offset, int &w, int &h );

	protected slots:
		void slotUpdateActionsAvailabilityRequested(bool& valueIsNull, bool& valueIsReadOnly);

		void handleInsertFromFileAction(const KURL& url);
		void handleAboutToSaveAsAction(TQString& origFilename, TQString& fileExtension, bool& dataIsEmpty);
		void handleSaveAsAction(const TQString& fileName);
		void handleCutAction();
		void handleCopyAction();
		void handlePasteAction();
		virtual void clear();
		void handleShowPropertiesAction();

	protected:
		//! initializes this editor with \a add value
		virtual void setValueInternal(const TQVariant& add, bool removeOld);

		//todo TQString openWithDlg(const TQString& file);
		//todo void execute(const TQString& app, const TQString& file);

		//! @internal
		void updateFocus( const TQRect& r );

		void signalEditRequested();

		//! @internal
		void executeCopyAction(const TQByteArray& data);

		virtual bool eventFilter( TQObject *o, TQEvent *e );

		class Private;
		Private *d;
//todo		KTempFile* m_tempFile;
//todo		TDEProcess* m_proc;
//todo		TQTextEdit *m_content;
};

KEXI_DECLARE_CELLEDITOR_FACTORY_ITEM(KexiBlobEditorFactoryItem)


//=======================
//This class is temporarily here:

/*! @short Cell editor for displaying kde icon (using icon name provided as string).
 Read only.
*/
class KexiTDEIconTableEdit : public KexiTableEdit
{
	public:
		KexiTDEIconTableEdit(KexiTableViewColumn &column, TQWidget *parent=0);

		virtual ~KexiTDEIconTableEdit();

		//! \return true if editor's value is null (not empty)
		virtual bool valueIsNull();

		//! \return true if editor's value is empty (not null). 
		//! Only few field types can accept "EMPTY" property 
		//! (check this with KexiDB::Field::hasEmptyProperty()), 
		virtual bool valueIsEmpty();

		virtual TQVariant value();

		virtual bool cursorAtStart();
		virtual bool cursorAtEnd();

		virtual void clear();

		virtual void setupContents( TQPainter *p, bool focused, const TQVariant& val, 
			TQString &txt, int &align, int &x, int &y_offset, int &w, int &h );

		/*! Handles copy action for value. Does nothing.
		 \a visibleValue is unused here. Reimplemented after KexiTableEdit. */
		virtual void handleCopyAction(const TQVariant& value, const TQVariant& visibleValue);

	protected:
		//! initializes this editor with \a add value
		virtual void setValueInternal(const TQVariant& add, bool removeOld);

		void showHintButton();
		void init();

		class Private;
		Private *d;
};

KEXI_DECLARE_CELLEDITOR_FACTORY_ITEM(KexiTDEIconTableEditorFactoryItem)

#endif