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| author | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-05-28 10:17:01 +0900 |
|---|---|---|
| committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-05-28 10:17:01 +0900 |
| commit | 5fffa30386502b5423e45c2ed5e6af756b11c7b4 (patch) | |
| tree | fa17e10b048e8e13433b861cbe98cf895b2324c7 /doc/html/ntqsqlform.html | |
| parent | 04913ce7a46fd027856e83a96205fdc388742a19 (diff) | |
| download | tqt-5fffa30386502b5423e45c2ed5e6af756b11c7b4.tar.gz tqt-5fffa30386502b5423e45c2ed5e6af756b11c7b4.zip | |
Rename nt* sql related files to equivalent tq*
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'doc/html/ntqsqlform.html')
| -rw-r--r-- | doc/html/ntqsqlform.html | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/doc/html/ntqsqlform.html b/doc/html/ntqsqlform.html deleted file mode 100644 index 7140ba469..000000000 --- a/doc/html/ntqsqlform.html +++ /dev/null @@ -1,237 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> -<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/sql/qsqlform.cpp:61 --> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> -<title>TQSqlForm Class</title> -<style type="text/css"><!-- -fn { margin-left: 1cm; text-indent: -1cm; } -a:link { color: #004faf; text-decoration: none } -a:visited { color: #672967; text-decoration: none } -body { background: #ffffff; color: black; } ---></style> -</head> -<body> - -<table border="0" cellpadding="0" cellspacing="0" width="100%"> -<tr bgcolor="#E5E5E5"> -<td valign=center> - <a href="index.html"> -<font color="#004faf">Home</font></a> - | <a href="classes.html"> -<font color="#004faf">All Classes</font></a> - | <a href="mainclasses.html"> -<font color="#004faf">Main Classes</font></a> - | <a href="annotated.html"> -<font color="#004faf">Annotated</font></a> - | <a href="groups.html"> -<font color="#004faf">Grouped Classes</font></a> - | <a href="functions.html"> -<font color="#004faf">Functions</font></a> -</td> -<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQSqlForm Class Reference<br><small>[<a href="sql.html">sql module</a>]</small></h1> - -<p>The TQSqlForm class creates and manages data entry forms -tied to SQL databases. -<a href="#details">More...</a> -<p><tt>#include <<a href="qsqlform-h.html">ntqsqlform.h</a>></tt> -<p>Inherits <a href="tqobject.html">TQObject</a>. -<p><a href="qsqlform-members.html">List of all member functions.</a> -<h2>Public Members</h2> -<ul> -<li class=fn><a href="#TQSqlForm"><b>TQSqlForm</b></a> ( TQObject * parent = 0, const char * name = 0 )</li> -<li class=fn><a href="#~TQSqlForm"><b>~TQSqlForm</b></a> ()</li> -<li class=fn>virtual void <a href="#insert"><b>insert</b></a> ( TQWidget * widget, const TQString & field )</li> -<li class=fn>virtual void <a href="#remove-2"><b>remove</b></a> ( const TQString & field )</li> -<li class=fn>uint <a href="#count"><b>count</b></a> () const</li> -<li class=fn>TQWidget * <a href="#widget"><b>widget</b></a> ( uint i ) const</li> -<li class=fn>TQSqlField * <a href="#widgetToField"><b>widgetToField</b></a> ( TQWidget * widget ) const</li> -<li class=fn>TQWidget * <a href="#fieldToWidget"><b>fieldToWidget</b></a> ( TQSqlField * field ) const</li> -<li class=fn>void <a href="#installPropertyMap"><b>installPropertyMap</b></a> ( TQSqlPropertyMap * pmap )</li> -<li class=fn>virtual void <a href="#setRecord"><b>setRecord</b></a> ( TQSqlRecord * buf )</li> -</ul> -<h2>Public Slots</h2> -<ul> -<li class=fn>virtual void <a href="#readField"><b>readField</b></a> ( TQWidget * widget )</li> -<li class=fn>virtual void <a href="#writeField"><b>writeField</b></a> ( TQWidget * widget )</li> -<li class=fn>virtual void <a href="#readFields"><b>readFields</b></a> ()</li> -<li class=fn>virtual void <a href="#writeFields"><b>writeFields</b></a> ()</li> -<li class=fn>virtual void <a href="#clear"><b>clear</b></a> ()</li> -<li class=fn>virtual void <a href="#clearValues"><b>clearValues</b></a> ( bool nullify = FALSE )</li> -</ul> -<h2>Protected Members</h2> -<ul> -<li class=fn>virtual void <a href="#insert-2"><b>insert</b></a> ( TQWidget * widget, TQSqlField * field )</li> -<li class=fn>virtual void <a href="#remove"><b>remove</b></a> ( TQWidget * widget )</li> -</ul> -<hr><a name="details"></a><h2>Detailed Description</h2> - - -The TQSqlForm class creates and manages data entry forms -tied to SQL databases. -<p> - - -<p> Typical use of a TQSqlForm consists of the following steps: -<ul> -<li> Create the widgets you want to appear in the form. -<li> Create a cursor and navigate to the record to be edited. -<li> Create the TQSqlForm. -<li> Set the form's record buffer to the cursor's update buffer. -<li> Insert each widget and the field it is to edit into the form. -<li> Use <a href="#readFields">readFields</a>() to update the editor widgets with values from -the database's fields. -<li> Display the form and let the user edit values etc. -<li> Use <a href="#writeFields">writeFields</a>() to update the database's field values with -the values in the editor widgets. -</ul> -<p> Note that a TQSqlForm does not access the database directly, but -most often via TQSqlFields which are part of a <a href="ntqsqlcursor.html">TQSqlCursor</a>. A -<a href="ntqsqlcursor.html#insert">TQSqlCursor::insert</a>(), <a href="ntqsqlcursor.html#update">TQSqlCursor::update</a>() or <a href="ntqsqlcursor.html#del">TQSqlCursor::del</a>() -call is needed to actually write values to the database. -<p> Some sample code to initialize a form successfully: -<p> <pre> - <a href="ntqlineedit.html">TQLineEdit</a> myEditor( this ); - TQSqlForm myForm( this ); - <a href="ntqsqlcursor.html">TQSqlCursor</a> myCursor( "mytable" ); - - // Execute a query to make the cursor valid - myCursor.<a href="ntqsqlcursor.html#select">select</a>(); - // Move the cursor to a valid record (the first record) - myCursor.<a href="ntqsqlquery.html#next">next</a>(); - // Set the form's record pointer to the cursor's edit buffer (which - // contains the current record's values) - myForm.<a href="#setRecord">setRecord</a>( myCursor.<a href="ntqsqlcursor.html#primeUpdate">primeUpdate</a>() ); - - // Insert a field into the form that uses myEditor to edit the - // field 'somefield' in 'mytable' - myForm.<a href="#insert">insert</a>( &myEditor, "somefield" ); - - // Update myEditor with the value from the mapped database field - myForm.<a href="#readFields">readFields</a>(); - ... - // Let the user edit the form - ... - // Update the database - myForm.<a href="#writeFields">writeFields</a>(); // Update the cursor's edit buffer from the form - myCursor.<a href="ntqsqlcursor.html#update">update</a>(); // Update the database from the cursor's buffer - </pre> - -<p> If you want to use custom editors for displaying and editing data -fields, you must install a custom <a href="ntqsqlpropertymap.html">TQSqlPropertyMap</a>. The form -uses this object to get or set the value of a widget. -<p> Note that <a href="designer-manual.html">TQt Designer</a> provides -a visual means of creating data-aware forms. -<p> <p>See also <a href="#installPropertyMap">installPropertyMap</a>(), <a href="ntqsqlpropertymap.html">TQSqlPropertyMap</a>, and <a href="database.html">Database Classes</a>. - -<hr><h2>Member Function Documentation</h2> -<h3 class=fn><a name="TQSqlForm"></a>TQSqlForm::TQSqlForm ( <a href="tqobject.html">TQObject</a> * parent = 0, const char * name = 0 ) -</h3> -Constructs a TQSqlForm with parent <em>parent</em> and called <em>name</em>. - -<h3 class=fn><a name="~TQSqlForm"></a>TQSqlForm::~TQSqlForm () -</h3> -Destroys the object and frees any allocated resources. - -<h3 class=fn>void <a name="clear"></a>TQSqlForm::clear ()<tt> [virtual slot]</tt> -</h3> -Removes every widget, and the fields they're mapped to, from the form. - -<h3 class=fn>void <a name="clearValues"></a>TQSqlForm::clearValues ( bool nullify = FALSE )<tt> [virtual slot]</tt> -</h3> -Clears the values in all the widgets, and the fields they are -mapped to, in the form. If <em>nullify</em> is TRUE (the default is -FALSE), each field is also set to NULL. - -<h3 class=fn>uint <a name="count"></a>TQSqlForm::count () const -</h3> -Returns the number of widgets in the form. - -<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="fieldToWidget"></a>TQSqlForm::fieldToWidget ( <a href="ntqsqlfield.html">TQSqlField</a> * field ) const -</h3> -Returns the widget that field <em>field</em> is mapped to. - -<h3 class=fn>void <a name="insert"></a>TQSqlForm::insert ( <a href="ntqwidget.html">TQWidget</a> * widget, const <a href="ntqstring.html">TQString</a> & field )<tt> [virtual]</tt> -</h3> -Inserts a <em>widget</em>, and the name of the <em>field</em> it is to be -mapped to, into the form. To actually associate inserted widgets -with an edit buffer, use <a href="#setRecord">setRecord</a>(). -<p> <p>See also <a href="#setRecord">setRecord</a>(). - -<p>Examples: <a href="sql.html#x2225">sql/overview/form1/main.cpp</a> and <a href="sql.html#x2231">sql/overview/form2/main.cpp</a>. -<h3 class=fn>void <a name="insert-2"></a>TQSqlForm::insert ( <a href="ntqwidget.html">TQWidget</a> * widget, <a href="ntqsqlfield.html">TQSqlField</a> * field )<tt> [virtual protected]</tt> -</h3> -This is an overloaded member function, provided for convenience. It behaves essentially like the above function. -<p> Inserts a <em>widget</em>, and the <em>field</em> it is to be mapped to, into -the form. - -<h3 class=fn>void <a name="installPropertyMap"></a>TQSqlForm::installPropertyMap ( <a href="ntqsqlpropertymap.html">TQSqlPropertyMap</a> * pmap ) -</h3> -Installs a custom <a href="ntqsqlpropertymap.html">TQSqlPropertyMap</a>. This is useful if you plan to -create your own custom editor widgets. -<p> TQSqlForm takes ownership of <em>pmap</em>, so <em>pmap</em> is deleted when -TQSqlForm goes out of scope. -<p> <p>See also <a href="ntqdatatable.html#installEditorFactory">TQDataTable::installEditorFactory</a>(). - -<p>Example: <a href="sql.html#x2237">sql/overview/custom1/main.cpp</a>. -<h3 class=fn>void <a name="readField"></a>TQSqlForm::readField ( <a href="ntqwidget.html">TQWidget</a> * widget )<tt> [virtual slot]</tt> -</h3> -Updates the widget <em>widget</em> with the value from the SQL field it -is mapped to. Nothing happens if no SQL field is mapped to the <em>widget</em>. - -<h3 class=fn>void <a name="readFields"></a>TQSqlForm::readFields ()<tt> [virtual slot]</tt> -</h3> -Updates the widgets in the form with current values from the SQL -fields they are mapped to. - -<p>Examples: <a href="sql.html#x2226">sql/overview/form1/main.cpp</a> and <a href="sql.html#x2232">sql/overview/form2/main.cpp</a>. -<h3 class=fn>void <a name="remove"></a>TQSqlForm::remove ( <a href="ntqwidget.html">TQWidget</a> * widget )<tt> [virtual protected]</tt> -</h3> -Removes a <em>widget</em>, and hence the field it's mapped to, from the -form. - -<h3 class=fn>void <a name="remove-2"></a>TQSqlForm::remove ( const <a href="ntqstring.html">TQString</a> & field )<tt> [virtual]</tt> -</h3> -This is an overloaded member function, provided for convenience. It behaves essentially like the above function. -<p> Removes <em>field</em> from the form. - -<h3 class=fn>void <a name="setRecord"></a>TQSqlForm::setRecord ( <a href="ntqsqlrecord.html">TQSqlRecord</a> * buf )<tt> [virtual]</tt> -</h3> -Sets <em>buf</em> as the record buffer for the form. To force the -display of the data from <em>buf</em>, use <a href="#readFields">readFields</a>(). -<p> <p>See also <a href="#readFields">readFields</a>() and <a href="#writeFields">writeFields</a>(). - -<p>Examples: <a href="sql.html#x2238">sql/overview/custom1/main.cpp</a>, <a href="sql.html#x2227">sql/overview/form1/main.cpp</a>, and <a href="sql.html#x2233">sql/overview/form2/main.cpp</a>. -<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="widget"></a>TQSqlForm::widget ( uint i ) const -</h3> -Returns the <em>i</em>-th widget in the form. Useful for traversing -the widgets in the form. - -<h3 class=fn><a href="ntqsqlfield.html">TQSqlField</a> * <a name="widgetToField"></a>TQSqlForm::widgetToField ( <a href="ntqwidget.html">TQWidget</a> * widget ) const -</h3> -Returns the SQL field that widget <em>widget</em> is mapped to. - -<h3 class=fn>void <a name="writeField"></a>TQSqlForm::writeField ( <a href="ntqwidget.html">TQWidget</a> * widget )<tt> [virtual slot]</tt> -</h3> -Updates the SQL field with the value from the <em>widget</em> it is -mapped to. Nothing happens if no SQL field is mapped to the <em>widget</em>. - -<h3 class=fn>void <a name="writeFields"></a>TQSqlForm::writeFields ()<tt> [virtual slot]</tt> -</h3> -Updates the SQL fields with values from the widgets they are -mapped to. To actually update the database with the contents of -the record buffer, use <a href="ntqsqlcursor.html#insert">TQSqlCursor::insert</a>(), <a href="ntqsqlcursor.html#update">TQSqlCursor::update</a>() -or <a href="ntqsqlcursor.html#del">TQSqlCursor::del</a>() as appropriate. - -<p>Example: <a href="sql.html#x2234">sql/overview/form2/main.cpp</a>. -<!-- eof --> -<hr><p> -This file is part of the <a href="index.html">TQt toolkit</a>. -Copyright © 1995-2007 -<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center> -<table width=100% cellspacing=0 border=0><tr> -<td>Copyright © 2007 -<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> -<td align=right><div align=right>TQt 3.3.8</div> -</table></div></address></body> -</html> |