Subversion Repositories wimsdev

/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU 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 General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

/* html form simplification routines */

#include "wims.h"

#define MAX_MENU_ITEMS 256

enum {

  FORM_SELECT, FORM_RADIO, FORM_BAR, FORM_CHECKBOX

};

/* Produces <select> and <option>s.

 * Parameter string: name from n1 to n2 [prompt plist]

 * or name, list slist [prompt plist]

 * Using script to do this is too slow.

 */

void _form_menus(char *p,int kind)

{

  char *n, *li, *pp, *val, *p0, *p1, *p2, *pc, *s, *hmode, *name;

  char *vlist[MAX_MENU_ITEMS], *plist[MAX_MENU_ITEMS];

  char nbuf[MAX_LINELEN+1],vbuf[MAX_LINELEN+1],pbuf[MAX_LINELEN+1];

  char buf[256], pfrb[256], pfre[256], input_id[128];

  int i,i1=0,i2,itemcnt,type;

  if(!outputing) return;

  n=find_word_start(p); if(*n==0) return;

  pp=find_word_end(n);

  if(*pp!=0) *(pp++)=0;

  else {

    syntax: module_error("syntax_error"); return;

  }

  li=find_word_start(pp); pp=find_word_end(li);

  if(*pp!=0) *(pp++)=0; else goto syntax;

  itemcnt=0;

  if(strcmp(li,"from")==0) {

    p1=find_word_start(pp);

    p2=wordchr(p1,"to"); if(p2==NULL || p2<=p1) goto syntax;

    *(p2-1)=0; p2=find_word_start(p2+strlen("to"));

    pp=wordchr(p2,"prompt"); if(pp!=NULL) *(pp-1)=0;

    i1=evalue(p1); i2=evalue(p2);

    if(i1<-100000000 || i1>100000000 || i2<-100000000 || i2>100000000)

      goto syntax;

    if(i2<i1) return;

    if(i2>i1+MAX_MENU_ITEMS-1) i2=i1+MAX_MENU_ITEMS-1;

    itemcnt=i2-i1+1;

    type=0;

  }

  else {

    if(strcmp(li,"list")==0) {

      p1=find_word_start(pp);

      pp=wordchr(p1,"prompt"); if(pp!=NULL && pp>p1) *(pp-1)=0;

      ovlstrcpy(vbuf,p1);substit(vbuf);

      itemcnt=cutitems(vbuf,vlist,MAX_MENU_ITEMS);

      type=1;

    }

    else goto syntax;

  }

  for(i=0;i<itemcnt;i++) plist[i]=NULL;

  if(pp!=NULL) {

    p1=find_word_start(pp+strlen("prompt"));

    ovlstrcpy(pbuf,p1);substit(pbuf);

    cutitems(pbuf,plist,MAX_MENU_ITEMS);

  }

  ovlstrcpy(nbuf,n);substit(nbuf);

  if(kind==FORM_SELECT) {

    char *pp;

    pp=getvar("wims_formselect_switch"); if(pp==NULL) pp="";

    output("<select %s name=\"%s\" id=\"%s\">\n",pp,nbuf,nbuf);

  }

  if(kind==FORM_BAR) {

    s=getvar("wims_ref_class");

    if(s!=NULL && *s!=0 && !isspace(*s)) {

      snprintf(pfrb,sizeof(pfrb)," <span class=\"%s\">",s); strcpy(pfre,"</span>");

    } else { pfrb[0]=0; pfre[0]=0; }

    output("%s<span style=\"font-weight:bold;\">-</span>&nbsp;",pfrb);

  }

  val=getvar(nbuf);if(val==NULL) val="";

  s = getvar("wims_ref_id");

  if(s!=NULL && *s!=0 && !isspace(*s)) { strcpy(input_id,s); }

  else { strcpy(input_id,nbuf);}

  for(i=0;i<itemcnt;i++) {

    if(type==0) {

      snprintf(buf,sizeof(buf),"%d",i+i1);

      p0=buf;

    }

    else p0=vlist[i];

    if(*find_word_start(p0)==0) continue;

    if(plist[i]==NULL) plist[i]=p0;

    if(*val!=0 &&

        (strcmp(p0,val)==0 ||

        ( (kind==FORM_SELECT || kind==FORM_CHECKBOX)

        && itemchr(val,p0)!=NULL))) {

      if(kind==FORM_SELECT) pc=" selected=\"selected\"";

      else pc=" checked=\"checked\"";

    }

    else pc="";

    s = getvar("wims_ref_class");

    hmode=getvar("wims_html_mode");

    pfrb[0]=0; pfre[0]=0;

    if(s!=NULL && *s!=0 && !isspace(*s)) {

      if(hmode==NULL || *hmode==0 || isspace(*hmode)) {

        hmode="span";

      }

      snprintf(pfrb, sizeof(pfrb), "<%s class=\"%s\">", hmode, s);

      snprintf(pfre, sizeof(pfre), "</%s>", hmode);

    } else {

      if(hmode!=NULL && *hmode!=0) {

        snprintf(pfrb, sizeof(pfrb), "<%s>", hmode);

        snprintf(pfre, sizeof(pfre), "</%s>", hmode);

      }

    }

    switch(kind) {

      case FORM_RADIO: name="radio"; break;

      case FORM_CHECKBOX: name="checkbox"; break;

      case FORM_BAR: name="radio"; break;

      default: name="";

    }

    switch(kind) {

      case FORM_SELECT:

        output("<option value=\"%s\"%s>%s</option>\n", p0, pc, plist[i]);

        break;

      case FORM_RADIO:

      case FORM_CHECKBOX:

        if (itemcnt > 1) {

          output("%s<input type=\"%s\" name=\"%s\" id=\"%s_%d\" value=\"%s\"%s><label for=\"%s_%d\">%s</label>%s",

           pfrb,name,nbuf,input_id,i+1,p0,pc,input_id,i+1,plist[i],pfre);

        } else {

          output("%s<input type=\"%s\" name=\"%s\" id=\"%s\" value=\"%s\"%s><label for=\"%s\">%s</label>%s",

           pfrb,name,nbuf,input_id,p0,pc,input_id,plist[i],pfre);

        }

        if(i<itemcnt-1 && itemcnt>2 && (hmode==NULL || *hmode==0)) _output_(",");

        _output_("\n");

        break;

      case FORM_BAR:

        output("<input type=\"%s\" name=\"%s\" id=\"%s_%d\" title=\"%s\" value=\"%s\"%s><label style=\"display:none\" for=\"%s_%d\">%s</label>",

           name,nbuf,input_id,i+1,p0,p0,pc,input_id,i+1,p0);

        break;

    }

  }

  setvar("wims_ref_class","");

  setvar("wims_ref_id","");

  setvar("wims_html_mode","");

  if(kind==FORM_SELECT) _output_("</select>");

  if(kind==FORM_BAR) output("&nbsp;<span style=\"font-weight:bold;\">+</span>");

}

void exec_formselect(char *p)

{

  _form_menus(p,FORM_SELECT);

}

void exec_formradio(char *p)

{

  _form_menus(p,FORM_RADIO);

}

void exec_formcheckbox(char *p)

{

  _form_menus(p,FORM_CHECKBOX);

}

void exec_formbar(char *p)

{

  _form_menus(p,FORM_BAR);

}