Package railo.runtime.tag

Source Code of railo.runtime.tag.Slider

package railo.runtime.tag;

import java.io.IOException;
import java.util.Iterator;
import java.util.Map.Entry;

import javax.servlet.jsp.tagext.Tag;

import railo.commons.lang.HTMLEntities;
import railo.commons.lang.StringUtil;
import railo.runtime.exp.ApplicationException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.tag.TagImpl;
import railo.runtime.op.Caster;
import railo.runtime.op.Decision;
import railo.runtime.type.Array;
import railo.runtime.type.Collection.Key;
import railo.runtime.type.Struct;
import railo.runtime.type.StructImpl;
import railo.runtime.type.util.ListUtil;

/**
* slider applet tag
*/
public final class Slider extends TagImpl {
   
    private Struct params=new StructImpl();
    private InputBean input=new InputBean();
    private int height=40;
  private int width=0;
  private int vspace=0;
  private int hspace=0;
   
    @Override
    public void release() {
        super.release();

        input=new InputBean();
        params.clear();
       
        width=0;
        height=40;
        hspace=0;
        vspace=0;
    }
   
    /**
     * sets the attribut to tag
     * @param align
     * @throws ApplicationException
     */
    public void setAlign(String align) throws ApplicationException {
        align=align.trim().toLowerCase();
        if(ListUtil.listFind("top,left,bottom,baseline,texttop,absbottom,middle,absmiddle,right",align,",")>-1) {
            params.setEL("align",align);
        }
        else
            throw new ApplicationException("attribute align ["+align+"] is invalid","valid alignments are [top,left,bottom,baseline,texttop,absbottom,middle,absmiddle,right]");
    }
   
    /**
     * sets the attribut to tag
     * @param bgcolor
     */
    public void setBgcolor(String bgcolor) {
        params.setEL("bgcolor",bgcolor);
    }
   
    /**
     * sets the attribut to tag
     * @param bold
     */
    public void setBold(boolean bold) {
        params.setEL("bold",Caster.toString(bold));
    }
   
    /**
     * sets the attribut to tag
     * @param font
     */
    public void setFont(String font) {
        params.setEL("font",font);
    }
   
    /**
     * sets the attribut to tag
     * @param fontsize
     */
    public void setFontsize(double fontsize) {
        params.setEL("fontsize",Caster.toString((int)fontsize));
    }
   
    /**
     * sets the attribut to tag
     * @param italic
     */
    public void setItalic(boolean italic) {
        params.setEL("italic",Caster.toString(italic));
    }
   
    /**
     * sets the attribut to tag
     * @param label
     */
    public void setLabel(String label) {
        params.setEL("label",label);
    }
   
    /**
     * sets the attribut to tag
     * @param lookandfeel
     * @throws ApplicationException
     */
    public void setLookandfeel(String lookandfeel) throws ApplicationException {
        lookandfeel=lookandfeel.trim().toLowerCase();
        if(lookandfeel.equals("motif"))params.setEL("lookandfeel",lookandfeel);
        else if(lookandfeel.equals("windows"))params.setEL("lookandfeel",lookandfeel);
        else if(lookandfeel.equals("metal"))params.setEL("lookandfeel",lookandfeel);
        else throw new ApplicationException("value of attribute lookAndFeel ["+lookandfeel+"] is invalid","valid values are [motif,windows,metal]");
       
    }
   
    /**
     * sets the attribut to tag
     * @param range
     * @throws PageException
     */
    public void setRange(String range) throws PageException {
        String errMessage="attribute range has an invalid value ["+range+"], must be string list with numbers";
        String errDetail="Example: [number_from,number_to], [number_from], [number_from,], [,number_to]";
       
        Array arr=ListUtil.listToArray(range,',');
       
        if(arr.size()==1) {
            double from=Caster.toDoubleValue(arr.get(1,null),Double.NaN);
            if(!Decision.isValid(from))throw new ApplicationException(errMessage,errDetail);
            input.setRangeMin(from);
            input.setRangeMax(Double.NaN);
            if(from<100)params.setEL("minimum",Caster.toString(from));
        }
        else if(arr.size()==2) {
            String strFrom=arr.get(1,"").toString().trim();
            double from=Caster.toDoubleValue(strFrom,Double.NaN);
            if(!Decision.isValid(from) && strFrom.length()>0) {
                throw new ApplicationException(errMessage,errDetail);
            }
            input.setRangeMin(from);
           
            String strTo=arr.get(2,"").toString().trim();
            double to=Caster.toDoubleValue(strTo,Double.NaN);
            if(!Decision.isValid(to) && strTo.length()>0) {
                throw new ApplicationException(errMessage,errDetail);
            }
            input.setRangeMax(to);
           
            if(from<to) {
                params.setEL("minimum",Caster.toString(from));
                params.setEL("maximum",Caster.toString(to));
            }
           
        }
        else throw new ApplicationException(errMessage,errDetail);
    }
   
    /**
     * sets the attribut to tag
     * @param message
     */
    public void setMessage(String message) {
        input.setMessage(message);
    }
   
    /**
     * sets the attribut to tag
     * @param name
     */
    public void setName(String name) {
        input.setName(name);
    }
   
    /**
     * sets the attribut to tag
     * @param notsupported
     */
    public void setNotsupported(String notsupported) {
        params.setEL("notsupported",notsupported);
    }
   
    /**
     * sets the attribut to tag
     * @param onerror
     */
    public void setOnerror(String onerror) {
        input.setOnError(onerror);
    }
   
    /**
     * sets the attribut to tag
     * @param onvalidate
     */
    public void setOnvalidate(String onvalidate) {
        input.setOnValidate(onvalidate);
    }

    /**
     * sets the attribut to tag
     * @param refreshlabel
     */
    public void setRefreshlabel(boolean refreshlabel) {
        params.setEL("refreshlabel",Caster.toString(refreshlabel));
    }
   
    /**
     * sets the attribut to tag
     * @param scale
     */
    public void setScale(double scale) {
        params.setEL("scale",Caster.toString((int)scale));
    }
   
    /**
     * sets the attribut to tag
     * @param textcolor
     */
    public void setTextcolor(String textcolor) {
        params.setEL("textcolor",textcolor);
    }
   
    /**
     * sets the attribut to tag
     * @param tickmarkimages
     */
    public void setTickmarkimages(String tickmarkimages) {
        params.setEL("tickmarkimages",tickmarkimages);
    }
   
    /**
     * sets the attribut to tag
     * @param tickmarklabels
     */
    public void setTickmarklabels(String tickmarklabels) {
        params.setEL("tickmarklabels",tickmarklabels);
    }
   
    /**
     * sets the attribut to tag
     * @param tickmarkmajor
     */
    public void setTickmarkmajor(boolean tickmarkmajor) {
        params.setEL("tickmarkmajor",Caster.toString(tickmarkmajor));
    }
   
    /**
     * sets the attribut to tag
     * @param tickmarkminor
     */
    public void setTickmarkminor(boolean tickmarkminor) {
        params.setEL("tickmarkminor",Caster.toString(tickmarkminor));
    }
   
    /**
     * sets the attribut to tag
     * @param value
     */
    public void setValue(double value) {
        params.setEL("value",Caster.toString((int)value));
    }
   
    /**
     * sets the attribut to tag
     * @param vertical
     */
    public void setVertical(boolean vertical) {
        params.setEL("vertical",Caster.toString(vertical));
       
    }

    /**
     * sets the attribut to tag
     * @param height
     */
    public void setHeight(double height) {
        this.height=(int)height;
    }
   
    /**
     * sets the attribut to tag
     * @param hspace
     */
    public void setHspace(double hspace) {
        this.hspace = (int)hspace;
    }
   
    /**
     * sets the attribut to tag
     * @param vspace
     */
    public void setVspace(double vspace) {
        this.vspace = (int) vspace;
    }
   
    /**
     * sets the attribut to tag
     * @param width
     */
    public void setWidth(double width) {
        this.width = (int) width;
    }

    @Override
    public int doStartTag() throws PageException {
        try {
            _doStartTag();
        } catch (IOException e) {
            throw Caster.toPageException(e);
        }
        return SKIP_BODY;
    }

    private void _doStartTag() throws PageException, IOException  {
        Tag parent = getParent();
        while(parent!=null && !(parent instanceof Form)){
      parent=parent.getParent();
    }
   
    if(!(parent instanceof Form)) {
      throw new ApplicationException("Tag slider must be inside a form tag");
    }
    Form form = (Form)parent;
      form.setInput(input);
      String codebase;
       
        pageContext.forceWrite("<input type=\"hidden\" name=\""+enc(input.getName())+"\" value=\"\">");
        pageContext.forceWrite("<applet MAYSCRIPT code=\"thinlet.AppletLauncher\"");
        pageContext.forceWrite(" archive=\""+form.getArchive()+"?version=101\"");
        pageContext.forceWrite(" width=\""+width+"\"");
        if(!StringUtil.isEmpty(codebase=form.getCodebase()))
          pageContext.forceWrite(" codebase=\""+codebase+"\"");
        if(height>0)pageContext.forceWrite(" height=\""+height+"\"");
        if(hspace>0)pageContext.forceWrite(" hspace=\""+hspace+"\"");
        if(vspace>0)pageContext.forceWrite(" vspace=\""+vspace+"\"");
        Object align = params.get("align",null);
        if(align!=null)pageContext.forceWrite(" align=\""+align+"\"");
        pageContext.forceWrite(">\n");
        pageContext.forceWrite("<param name=\"class\" value=\"railo.applet.SliderThinlet\"></param>\n");
        pageContext.forceWrite("<param name=\"form\" value=\""+enc(form.getName())+"\"></param>\n");
        pageContext.forceWrite("<param name=\"element\" value=\""+enc(input.getName())+"\"></param>\n");
       
        Iterator<Entry<Key, Object>> it = params.entryIterator();
        Entry<Key, Object> e;
        while(it.hasNext()) {
            e = it.next();
            pageContext.forceWrite("<param name=\"");
            pageContext.forceWrite(e.getKey().getString());
            pageContext.forceWrite("\" value=\"");
            pageContext.forceWrite(enc(Caster.toString(e.getValue())));
            pageContext.forceWrite("\"></param>\n");
        }
        pageContext.forceWrite("</applet>");
    }

    /**
     * html encode a string
     * @param str string to encode
     * @return encoded string
     */
    private String enc(String str) {
        return HTMLEntities.escapeHTML(str,HTMLEntities.HTMLV20);
    }
}
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