107 lines
6.6 KiB
HTML
107 lines
6.6 KiB
HTML
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<meta name="DC.Title" content="SFLDROP (Subfile Drop) keyword for display files" />
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<meta name="abstract" content="Use this record-level keyword on the subfile control record format to assign a command attention (CA) or a command function (CF) key that the workstation user can press to fold or to truncate subfile records that require more than one display line." />
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<title>SFLDROP (Subfile Drop) keyword for display files</title>
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<body id="rzakcmstdfsdrop"><a name="rzakcmstdfsdrop"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">SFLDROP (Subfile Drop) keyword for display files</h1>
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<div><p>Use this record-level keyword on the subfile control record format
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to assign a command attention (CA) or a command function (CF) key that the
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workstation user can press to fold or to truncate subfile records that require
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more than one display line.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>SFLDROP(CAnn | CFnn)</pre>
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</div>
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<p>Without
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SFLDROP, the <span class="keyword">i5/OS™</span> operating system
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displays the entire subfile record and folds it where needed. When SFLDROP
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is specified, the <span class="keyword">i5/OS</span> operating system
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first displays the subfile in truncated form; subfile records are truncated
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to fit on one display line. When the workstation user presses the specified
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key, the <span class="keyword">i5/OS</span> operating system
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displays the records again in folded form. Each record continues onto subsequent
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lines immediately following the line the record starts on.</p>
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<p>By pressing
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the specified key, the form of the displayed subfile changes from one state
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to the other.</p>
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<p>In the truncated form, more records are displayed than
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are specified on the SFLPAG keyword. In the folded form, as many records are
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displayed as are specified on the SFLPAG keyword.</p>
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<p>The <span class="keyword">i5/OS</span> operating system
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truncates subfile records in the middle of output-only fields. However, if
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the truncation is in the middle of an input-capable field, the whole field
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is omitted from the display. If this results in omitting the entire record
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from the display, an error message is sent to the display and the record is
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not truncated. Instead, it is displayed in folded form.</p>
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<div class="note"><span class="notetitle">Notes:</span> <ol><li>A warning message is sent at file creation if the entire record fits on
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a single display line.</li>
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<li>If subfile size equals subfile page, SFLDROP is ignored. When several
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display sizes are used (DSPSIZ keyword specified), SFLDROP is ignored only
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for display sizes for which the subfile size equals subfile page. If the subfile
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record format contains field selection, SFLDROP is not valid.</li>
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<li>If the subfile contains input-capable fields, it is recommended that you
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specify a CF key rather than a CA key. If you specify a CA key in this situation,
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changed data is lost when the key is pressed.</li>
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<li>If several subfiles using SFLDROP are displayed at one time, the same
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function key should be specified on each SFLDROP keyword. If the function
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keys are different, only the key specified for the most recently displayed
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subfile is in effect. Pressing the function key affects the subfile containing
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the cursor. If the cursor is not positioned in a subfile, the function key
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affects the upper subfile.</li>
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<li>SFLDROP can be specified on the same subfile control record format as
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the SFLFOLD keyword. If both keywords are active, the SFLFOLD keyword is used.
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Indicators are checked at the time the subfile is displayed. Both keywords
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must use the same key.</li>
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</ol>
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</div>
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<p>Option indicators are valid for this keyword.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the SFLDROP keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R SFLR SFL
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A*
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A* (subfile records should not fit on one screen line)
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A*
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00040A R SFLCTLR SFLCTL(SFLR)
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00050A SFLPAG(17)
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00060A SFLSIZ(34)
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00070A SFLDSP SFLDSPCTL
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00090A SFLDROP(CF03)
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A</pre>
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<p>When the subfile is displayed, the workstation user can
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press the CF03 key to change the subfile from truncated to folded form and
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from folded to truncated form.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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</div>
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</body>
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</html>
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