f54e6ce080
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@1009 0109f412-320b-0410-ab79-c3e0c5ffbbe6
235 lines
6.7 KiB
C++
235 lines
6.7 KiB
C++
//-------------------------------------------------------------------------
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// Desc: Class for displaying an file hash table in HTML on a web page.
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// Tabs: 3
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//
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// Copyright (c) 2001-2003, 2005-2007 Novell, Inc. All Rights Reserved.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version 2.1
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// of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, contact Novell, Inc.
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//
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// To contact Novell about this file by physical or electronic mail,
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// you may find current contact information at www.novell.com.
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//
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// $Id$
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//------------------------------------------------------------------------------
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#include "flaimsys.h"
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/****************************************************************************
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Desc: This function implements the display method of the F_FileHashTblPage
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class.
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*****************************************************************************/
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RCODE F_FileHashTblPage::display(
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FLMUINT uiNumParams,
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const char ** ppszParams)
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{
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RCODE rc = FERR_OK;
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FLMINT iIndex;
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FLMINT iSindex;
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FLMINT iNindex;
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FLMBOOL found = FALSE;
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F_BUCKET * pFileHashTbl;
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FLMBOOL buckets[FILE_HASH_ENTRIES];
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FLMINT next[FILE_HASH_ENTRIES];
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FLMBOOL bRefresh;
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stdHdr();
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fnPrintf( m_pHRequest, HTML_DOCTYPE);
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fnPrintf( m_pHRequest, "<html>\n");
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// Determine if we are being requested to refresh this page or not.
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if ((bRefresh = DetectParameter( uiNumParams,
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ppszParams,
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"Refresh")) == TRUE)
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{
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fnPrintf(
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m_pHRequest,
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"<HEAD>"
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"<META http-equiv=\"refresh\" content=\"5; url=%s/FileHashTbl?Refresh\">"
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"<TITLE>gv_FlmSysData.pFileHashTbl</TITLE>\n",
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m_pszURLString);
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}
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else
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{
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fnPrintf(
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m_pHRequest,
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"<HEAD><TITLE>gv_FlmSysData.pFileHashTbl</TITLE>\n");
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}
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printStyle();
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fnPrintf( m_pHRequest, "</HEAD>\n");
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// Insert a new table into the page to display the gv_FlmSysData fields
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fnPrintf( m_pHRequest, "<body>\n");
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printTableStart( "File Hash Table", 1, 100);
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printTableEnd();
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if (gv_FlmSysData.pFileHashTbl == NULL)
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{
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fnPrintf( m_pHRequest, "<CENTER>No File Hash Table entries exist. "
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"Please ensure that a database has been opened."
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"</CENTER>\n");
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}
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else
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{
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for (pFileHashTbl = gv_FlmSysData.pFileHashTbl, iIndex=0;
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iIndex < FILE_HASH_ENTRIES;
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iIndex++)
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{
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buckets[iIndex] = (pFileHashTbl[iIndex].pFirstInBucket) ?
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TRUE : FALSE;
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}
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for (iIndex=0; iIndex < FILE_HASH_ENTRIES; iIndex++)
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{
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if (buckets[iIndex])
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{
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// We need to look for a next valid index to match with this one
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// for when the "Next Bucket" button is pressed.
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for (iNindex = (iIndex+1 < FILE_HASH_ENTRIES ? iIndex+1 : 0);
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iNindex != iIndex ; )
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{
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if (buckets[iNindex])
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{
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break;
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}
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else
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{
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iNindex = (iNindex+1 < FILE_HASH_ENTRIES ? iNindex+1 : 0);
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}
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}
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// We will either have a valid next iIndex, or we will be pointing
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// to the same index, which means there is only one valid index
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// altogether. So that is okay too.
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next[iIndex] = iNindex;
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}
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}
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// Let's check to make sure we actually got at least one valid index.
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for (iIndex = 0; iIndex < FILE_HASH_ENTRIES; iIndex++)
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{
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if (buckets[iIndex])
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{
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found = TRUE;
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break;
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}
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}
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if (!found)
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{
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fnPrintf( m_pHRequest, "<CENTER>No File Hash Table entries exist. "
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"Please ensure that a database has been opened."
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"</CENTER>\n");
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}
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else
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{
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fnPrintf( m_pHRequest, "<form name=\"HashSelection\" type=\"submit\" "
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"method=\"get\" action=\"%s/FFile\">\n",
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m_pszURLString);
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fnPrintf( m_pHRequest, "<CENTER>"
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"Only Buckets that are not empty are listed below."
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" You may use the \"Next Bucket\" button to choose "
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"the next available bucket to display, or you may "
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"select a specific bucket by selecting it from the "
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"list below. To display the chosen bucket, press "
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"the \"Submit\" button. </CENTER>\n");
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fnPrintf( m_pHRequest, "<BR>\n");
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fnPrintf( m_pHRequest, "<CENTER>\n");
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printButton( "Next Bucket", BT_Button, NULL, NULL,
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"ONCLICK='nextBucket(document.HashSelection.SelectionOption)'");
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fnPrintf( m_pHRequest, "  or select a specific bucket to "
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"view  \n");
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// Only present the non-empty hash buckets...
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fnPrintf( m_pHRequest, "<SELECT NAME=\"SelectionOption\" onChange=\""
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"this.form.Bucket.value = this.form.Selection"
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"Option.options[this.form.SelectionOption."
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"selectedIndex].text\">\n");
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for (iIndex = 0; iIndex < FILE_HASH_ENTRIES; iIndex++)
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{
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if (buckets[iIndex])
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{
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fnPrintf( m_pHRequest, "<OPTION> %d\n", iIndex);
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}
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}
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fnPrintf( m_pHRequest, "</SELECT>\n");
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fnPrintf( m_pHRequest, "  \n");
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printButton( "Submit", BT_Submit);
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fnPrintf( m_pHRequest, "</CENTER>\n");
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fnPrintf( m_pHRequest, "<INPUT name=\"From\" type=hidden "
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"value=\"FileHashTbl\"></INPUT>\n");
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// Pre-load the Bucket with the first non-empty index
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for (iIndex = 0; iIndex < FILE_HASH_ENTRIES; iIndex++)
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{
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if (buckets[iIndex])
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{
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fnPrintf( m_pHRequest, "<INPUT name=\"Bucket\" type=hidden "
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"value=%d></INPUT>\n", iIndex);
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break; // only do this once for the first valid entry...
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}
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}
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fnPrintf( m_pHRequest, "</form>\n");
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// Prepare the javascript functions...
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fnPrintf( m_pHRequest, "<SCRIPT>\n");
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fnPrintf( m_pHRequest, "function nextBucket(selectObj) {\n");
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fnPrintf( m_pHRequest, "var Bucket\n");
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fnPrintf( m_pHRequest, "switch (selectObj.selectedIndex) {\n");
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// Only identify the non-empty buckets...
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for (iSindex=0, iIndex = 0; iIndex < FILE_HASH_ENTRIES; iIndex++)
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{
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if (buckets[iIndex])
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{
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fnPrintf( m_pHRequest, "case %d:{\nBucket=%d\nselectObj."
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"selectedIndex=%d\nbreak\n}\n",
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iSindex,
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next[iIndex],
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(next[iIndex] < iIndex) ? 0 :
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(next[iIndex] == iIndex ? iSindex :
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iSindex+1));
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iSindex++;
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}
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}
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fnPrintf( m_pHRequest, "default: break;}\n");
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fnPrintf( m_pHRequest, "document.HashSelection.Bucket.value = Bucket\n");
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fnPrintf( m_pHRequest, "}\n</SCRIPT>\n");
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}
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}
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fnPrintf( m_pHRequest, "</body></html>\n");
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fnEmit();
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return( rc);
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}
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