299 lines
8.6 KiB
Plaintext
299 lines
8.6 KiB
Plaintext
/*
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* Generates Javascript and DHTML list menus
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* (see the website/jList dir for an example)
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*
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* Uses list.js and resize.js (heavily modified) found at
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* developer.netscape.com
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*
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* Copyright 2000 Manos Aspradakis <maspr@otenet.gr>
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* Copyright 2000 Luiz Rafael Culik <culik@sl.conex.net> (Porting this library to Harbour)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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#include "cgi.ch"
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CREATE CLASS TJSList
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VAR nH INIT STD_OUT
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VAR aScript INIT {}
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VAR aItems INIT {}
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VAR cScript INIT ""
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VAR nTimes INIT 0
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VAR nItems INIT 0
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VAR cMainNode INIT ""
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VAR cCurrentNode INIT ""
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VAR Style INIT _WHITE_BLACK_STYLE
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VAR FONT INIT "Verdana"
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VAR Size INIT 2
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VAR BGCOLOR INIT "white"
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VAR FontColor INIT "black"
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METHOD New( name, lOpen, width, height, bgColor, ;
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FONT, fntColor, fntSize, cMinusImg, cPlusImg )
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METHOD NewNode( name, lOpen, width, height, bgColor )
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METHOD SetFont( name, font, fntColor, fntSize )
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METHOD AddItem( name, url, bgColor )
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METHOD AddLink( name, url, img, bgColor )
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METHOD EndNode( name, caption )
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METHOD Build( xPos, yPos )
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METHOD Put( cFile )
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ENDCLASS
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/* Create main node */
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METHOD New( name, lOpen, width, height, bgColor, ;
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FONT, fntColor, fntSize, cMinusImg, cPlusImg ) CLASS TJSList
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LOCAL cStr
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__defaultNIL( @name, "l" )
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__defaultNIL( @lOpen, .F. )
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__defaultNIL( @WIDTH, 200 )
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__defaultNIL( @HEIGHT, 22 )
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__defaultNIL( @BGCOLOR, "white" )
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__defaultNIL( @FONT, "Verdana" )
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__defaultNIL( @fntColor, "black" )
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__defaultNIL( @fntSize, 2 )
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__defaultNIL( @cMinusImg, "minus.gif" )
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__defaultNIL( @cPlusImg, "plus.gif" )
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::font := FONT
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::size := fntSize
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::fontColor := fntColor
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::bgColor := BGCOLOR
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::nItems := 0
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::aSCript := {}
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cStr := "<html>" + CRLF() + "<head>" + CRLF() + ;
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"<style>" + ::Style + "</style>" + CRLF() + ;
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'<script language="JavaScript1.2" src="resize.js"></script>' + CRLF() + ;
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CRLF() + ;
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'<script language="JavaScript1.2" src="list.js"></script>' + CRLF() + ;
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CRLF() + ;
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'<script language="JavaScript">' + CRLF() + ;
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"<!--" + crlf() + ;
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"var " + name + ";" + CRLF() + CRLF() + ;
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"function listInit() {" + CRLF() + ;
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"var width =" + hb_ntos( width ) + ";" + ;
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"var height=" + hb_ntos( height ) + ";" + CRLF() + ;
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'listSetImages( "' + cMinusImg + '", "' + cPlusImg + '" );' + CRLF() + CRLF()
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::cMainNode := name
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cStr += "" // Space( 10 )
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cStr += name + " = new List("
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cStr += iif( lOpen, "true,", "false," )
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cStr += hb_ntos( width ) + ","
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cStr += hb_ntos( height ) + ","
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cStr += '"' + BGCOLOR + '"' + ");" + CRLF()
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cStr += "" // Space( 10 )
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cStr += name + '.SetFont("<font face=' + "'" + FONT + "' size=" + hb_ntos( fntSize ) + "' color='" + fntColor + "'" + '>","</font>");' + CRLF()
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::nItems++
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AAdd( ::aScript, cStr )
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RETURN Self
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/****
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*
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* Add a new sub-node
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*
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*/
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METHOD NewNode( name, lOpen, width, height, bgColor ) CLASS TJSList
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LOCAL cStr := ""
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__defaultNIL( @lOpen, .F. )
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__defaultNIL( @WIDTH, 200 )
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__defaultNIL( @HEIGHT, 22 )
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__defaultNIL( @BGCOLOR, "white" )
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cStr += "" // Space(10)
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cStr += name + "= new List("
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cStr += iif( lOpen, "true,", "false," )
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cStr += hb_ntos( width ) + ","
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cStr += hb_ntos( height ) + ","
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cStr += '"' + BGCOLOR + '"' + ");" + CRLF()
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::cCurrentNode := name
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::nItems++
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AAdd( ::aScript, cStr )
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::setFont()
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RETURN Self
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/****
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*
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* Set the font for an item or node
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*
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*/
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METHOD SetFont( name, font, fntColor, fntSize ) CLASS TJSList
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LOCAL cStr
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__defaultNIL( @name, ::cCurrentNode )
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__defaultNIL( @FONT, ::font )
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__defaultNIL( @fntColor, ::fontColor )
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__defaultNIL( @fntSize, ::Size )
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cStr := name + '.SetFont("<font ' + ;
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" face= '" + font + "' " + ;
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" size= " + hb_ntos( fntSize ) + "'" + ;
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" color= '" + fntColor + "' " + ;
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' > ","</font>");' + CRLF()
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AAdd( ::aScript, cStr )
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RETURN Self
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/****
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*
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* Add a menu item
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*
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*/
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METHOD AddItem( name, url, bgColor ) CLASS TJSList
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LOCAL cStr
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LOCAL cUrl
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__defaultNIL( @name, "o" )
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__defaultNIL( @url, "" )
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cUrl := "<a href='" + url + "'>" + htmlSpace( 2 ) + name + htmlSpace( 2 )
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cStr := ::cCurrentNode + '.addItem( "' + cUrl + '"' + iif( bgColor != NIL, ',"' + bgColor + '"', "" ) + ');' + CRLF()
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::nItems++
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AAdd( ::aScript, cStr )
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RETURN Self
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/****
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*
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* Add a menu item
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*
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*/
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METHOD AddLink( name, url, img, bgColor ) CLASS TJSList
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LOCAL cStr
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LOCAL cUrl
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__defaultNIL( @name, "o" )
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__defaultNIL( @url, "" )
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__defaultNIL( @img, "webpage.jpg" )
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cUrl := "<a href='" + url + "'><img src='" + img + "' border=0 align=absmiddle>" + htmlSpace( 2 ) + name + htmlSpace( 2 )
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cStr := ::cCurrentNode + '.addItem( "' + curl + '"' + iif( bgColor != NIL, ',"' + bgColor + '"', "" ) + ');' + CRLF()
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::nItems++
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AAdd( ::aScript, cStr )
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RETURN Self
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METHOD EndNode( name, caption ) CLASS TJSList
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LOCAL cStr
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::cCurrentNode := ::cMainNode
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cStr := ::cMainNode + ".addList( " + name + ", '<b>" + caption + "</b>' );" + CRLF()
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::nItems++
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AAdd( ::aScript, cStr )
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RETURN Self
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METHOD Build( xPos, yPos ) CLASS TJSList
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LOCAL i
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LOCAL cStr := ""
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__defaultNIL( @xPos, 5 )
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__defaultNIL( @yPos, 5 )
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cStr += ::cMainNode + ".build(" + hb_ntos( xPos ) + "," + hb_ntos( yPos ) + ");" + CRLF()
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cStr += "}" + CRLF()
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CsTR += "// -->" + crlf()
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cStr += "</script>" + CRLF()
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cStr += '<style type="text/css">' + CRLF()
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cStr += "#spacer { position: absolute; height: 1120; }" + CRLF()
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cStr += "</style>" + CRLF()
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cStr += '<style type="text/css">' + CRLF()
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FOR i := 0 TO ::nItems + 6
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cStr += "#" + ::cMainNode + "Item" + hb_ntos( i ) + " { position:absolute; }" + CRLF()
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NEXT
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cStr += "</style>" + CRLF()
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AAdd( ::aScript, cStr )
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cStr := ""
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cStr += "<title>Collapsable Lists: Basic Example</title>" + CRLF()
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cStr += "</head>" + CRLF()
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cStr += '<body onload="listInit();" bgcolor="#FFFFFF">' + CRLF()
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cStr += '<div id="spacer"></div>' + CRLF()
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#if 0
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cStr += '<div id="' + ::cMainNode + 'Item0" name="' + ::cMainNode + 'Item0"></div>' + CRLF()
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#endif
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FOR i := 0 TO ::nItems
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cStr += '<div id="' + ::cMainNode + "Item" + hb_ntos( i ) + '" name="' + ::cMainNode + "Item" + hb_ntos( i ) + '"></div>' + CRLF()
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NEXT
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cStr += "</body></html>" + CRLF()
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AAdd( ::aScript, cStr )
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RETURN Self
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METHOD Put( cFile ) CLASS TJSList
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IF cFile == NIL
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::nH := STD_OUT
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ELSE
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::nH := FCreate( cFile )
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ENDIF
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AEval( ::aScript, {| e | FWrite( ::nH, e ) } )
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FClose( ::nH )
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RETURN Self
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