com.sun.webui.jsf.renderkit.html.FileChooserRenderer Maven / Gradle / Ivy
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/*
* FileChooserRenderer.java
*
* Created on Jan 11, 2005, 3:40 PM
*/
package com.sun.webui.jsf.renderkit.html;
import com.sun.faces.annotation.Renderer;
import java.io.IOException;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.convert.ConverterException;
import com.sun.webui.jsf.component.Button;
import com.sun.webui.jsf.component.FileChooser;
import com.sun.webui.jsf.component.Icon;
import com.sun.webui.jsf.component.DropDown;
import com.sun.webui.jsf.component.Label;
import com.sun.webui.jsf.component.StaticText;
import com.sun.webui.jsf.component.TextField;
import com.sun.webui.jsf.component.HelpInline;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.theme.ThemeImages;
import com.sun.webui.jsf.theme.ThemeStyles;
import com.sun.webui.jsf.util.ThemeUtilities;
import com.sun.webui.jsf.util.JavaScriptUtilities;
import com.sun.webui.jsf.util.RenderingUtilities;
import com.sun.webui.jsf.util.ClientSniffer;
import com.sun.webui.jsf.util.LogUtil;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Renderer for a {@link com.sun.webui.jsf.component.FileChooser} component.
*
* The FileChooser renders the following logical elements to effect
* the FileChooser behavoior.
*
*
* - An input field to accept and display the current open folder path.
* - An input field to accept and display a string used to filter the
* contents of the current open folder.
* - An input field to accept and display the files to select.
* - A list box to display the contents of the current open folder.
* - A drop down menu of sort options to control the order of the
* open folder's contents.
* - An open folder button to open and display a selected folder in the
* list box.
* - A move up button to navigate and display the currently open folder's
* parent folder.
*
*
* The expected submitted value is an array of Strings. If there are
* selections a request parameter called ":_selections"
* where "clientId" is the client id of the FileChooser component
* and "id" is the component id of the FileChooser component.
*
*/
@Renderer(@Renderer.Renders(componentFamily = "com.sun.webui.jsf.FileChooser"))
public class FileChooserRenderer extends AbstractRenderer {
private final static boolean DEBUG = false;
// the "-" string constant
public static final String HYFEN = "-"; //NOI18N
/** Creates a new instance of FileChooserRenderer */
public FileChooserRenderer() {
}
/**
* Decode any new state of the specified UIComponent
* from the request contained in the specified FacesContext,
* and store that state on the UIComponent.
*
* The default implementation calls setSubmittedValue()
* on components that implement EditableValueHolder (i.e. input fields)
*
* @param context FacesContext for the current request
* @param component UIComponent to be decoded
*
*/
@Override
public void decode(FacesContext context, UIComponent component) {
if (DEBUG) {
log("decode(context, component)"); //NOI18N
}
if (isDisabled(component) || isReadOnly(component)) {
if (DEBUG) {
log("component is readonly..."); //NOI18N
}
return;
}
if (!(component instanceof FileChooser)) {
throw new FacesException("FileChooserRenderer can only " + //NOI18N
"render FileChooser components."); //NOI18N
}
FileChooser chooser = (FileChooser) component;
// If the submitted value is not null then the
// selectFieldValidator has decodeed the selections and
// set the file chooser's submitted value.
// All future processing should occur as if the value was
// decoded here.
//
if (chooser.getSubmittedValue() == null) {
decodeSubmittedValue(context, chooser);
}
}
/**
* The hidden field is encoded with an operation and the
* selections separated by ","
*
* This must be reworked to not depend on an operation
* and a delimiter. Use a select element so that named
* array can returned in the request.
*/
private void decodeSubmittedValue(FacesContext context, FileChooser chooser) {
// Look for the submitted dynamically created select element.
// This will be set for the
//
// dblclicked - dblclick a file selection in file chooser mode
// selectedFileEntered - selectFileField enter pressed
// in file mode and folder mode
//
// These are the selection actions
// If not set no selection has been made and effectively
// no change, as far as file choosers value.
//
// Probable want to always create the hidded select element
// to reduce dependence on javascript.
//
String selectionsId = chooser.getClientId(context) + ":" +
chooser.getId() + "_selections";
Map requestParameters =
context.getExternalContext().getRequestParameterValuesMap();
/*
java.util.Set keyset = requestParameters.keySet();
Object[] keys = keyset.toArray();
*/
String[] selections = (String[]) requestParameters.get(selectionsId);
if (selections != null) {
chooser.setSubmittedValue(selections);
} else {
chooser.setSubmittedValue(null);
}
}
/**
* Create a value for the fileChooser component based on the
* submitted value, which are the user selections.
* The selections may be absolute or relative paths.
* The result is an array of objects.
*
* @return - an object that reflects the value of the fileChooser
* component.
*
*/
@Override
public java.lang.Object getConvertedValue(FacesContext context,
UIComponent component, Object submittedValue)
throws ConverterException {
// This implementation of getConvertedValue calls back into
// the component's getConvertedValue. We do this because
// we are also writing the renderer and it is more convenient
// and useful to place the real implementation in the
// component. However if someone else writes a renderer
// they may want to implement it. Therefore the component
// will call the renderer's getConveredValue first if
// a renderer is configured, which in effect will be a call
// back to an overloaded FileChooser.getConvertedValue().
//
// public Object getConvertedValue(FacesContext, FileChooser, Object);
//
if (!(component instanceof FileChooser)) {
String msg = "Can only convert values for FileChooser component."; //NOI18N
throw new ConverterException(msg);
}
return ((FileChooser) component).getConvertedValue(context,
(FileChooser) component, submittedValue);
}
/**
* Render the children of the specified UIComponent
* to the output stream or writer associated with the response we are
* creating.
*
* The default implementation iterates through the children of
* this component and renders them.
*
* @param context FacesContext for the current request
* @param component UIComponent to be decoded
*
* @exception NullPointerException if context or
* component is null
*
* @exception IOException if an input/output error occurs
*/
// We shouldn't bother with a default implementation - this is exactly
// what happens when you rendersChildren = false. Why duplicate the
// code here?
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
}
/**
* The FileChooser component is responsible for rendering
* its own children, they should not be rendered automatically.
*
* @return true because this component will render its own
* children explicitly.
*/
@Override
public boolean getRendersChildren() {
return true;
}
/* Render the start of the filechooser
*
* @param context The current FacesContext
* @param component The FileChooser object to use
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurss
*/
@Override
protected void renderEnd(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
try {
FileChooser chooser = null;
if (component instanceof FileChooser) {
chooser = (FileChooser) component;
} else {
String message = "Component " + component.toString() + //NOI18N
" has been associated with a FileChooser. " + //NOI18N
" This renderer can only be used by components " + //NOI18N
" that extend com.sun.webui.jsf.component.FileChooser."; //NOI18N
throw new FacesException(message);
}
if (!chooser.isRendered()) {
return;
}
Theme theme = ThemeUtilities.getTheme(context);
// start the div the entire filechooser is wrapped in
writer.startElement("div", component); //NOI18N
writer.writeAttribute("id", component.getClientId(context), null);
String style = chooser.getStyle();
if (style != null) {
writer.writeAttribute("style", style, null); //NOI18N
}
RenderingUtilities.renderStyleClass(context, writer, component, null);
writer.writeText("\n", null); //NOI18N
// render title in a table
renderChooserTitle(context, chooser, writer, theme); //NOI18N
// render file chooser in a div
writer.startElement("div", component); //NOI18N
writer.writeAttribute("class", //NOI18N
theme.getStyleClass(ThemeStyles.FILECHOOSER_CONMGN), null);
writer.writeText("\n", null); //NOI18N
writer.startElement("table", chooser); //NOI18N
writer.writeAttribute("border", "0", "border"); //NOI18N
writer.writeAttribute("cellpadding", "0", "cellpadding"); //NOI18N
writer.writeAttribute("cellspacing", "0", "cellspacing"); //NOI18N
writer.writeAttribute("title", " ", "title"); //NOI18N
writer.writeText("\n", null);
writer.startElement("tr", chooser); // NOI18N
writer.startElement("td", chooser); // NOI18N
// check if facets are available and if not add a default one.
// renderEmptyLine(context, chooser, writer, null, 1, 20, theme); //NOI18N
renderServerName(context, chooser, writer, theme); //NOI18N
renderClearDiv(context, chooser, writer, theme);
renderLookinTextField(context, chooser, writer, theme);
renderClearDiv(context, chooser, writer, theme);
renderFilterField(context, chooser, writer, theme);
renderClearDiv(context, chooser, writer, theme);
String helpMessage = theme.getMessage("filechooser.enterKeyHelp"); //NOI18N
renderInlineHelp(context, chooser, writer, helpMessage, theme); //NOI18N
renderClearDiv(context, chooser, writer, theme);
writer.endElement("td");
writer.endElement("tr");
writer.writeText("\n", null);
writer.startElement("tr", chooser);
writer.startElement("td", chooser);
writer.startElement("hr", chooser);
writer.writeAttribute("color", "#98a0a5", null);
writer.writeAttribute("size", "1", null);
writer.endElement("hr");
writer.endElement("td");
writer.endElement("tr");
writer.writeText("\n", null);
writer.startElement("tr", chooser);
writer.startElement("td", chooser);
renderButtons(context, chooser, writer, theme); //NOI18N
renderSortFields(context, chooser, writer, theme); //NOI18N
writer.endElement("td");
writer.endElement("tr");
writer.writeText("\n", null);
writer.startElement("tr", chooser);
writer.startElement("td", chooser);
writer.startElement("div", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LST_HDR), null);
writer.startElement("div", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_NAME_HDR), null);
writer.write(theme.getMessage("filechooser.name_column_header"));
writer.endElement("div");
writer.writeText("\n", null);
writer.startElement("div", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_SIZE_HDR), null);
writer.write(theme.getMessage("filechooser.size_column_header"));
writer.endElement("div");
writer.writeText("\n", null);
writer.startElement("div", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_DATE_TIME_HDR), null);
writer.write(theme.getMessage("filechooser.date_time_column_header"));
writer.endElement("div");
writer.writeText("\n", null);
writer.endElement("div");
writer.endElement("td");
writer.endElement("tr");
writer.writeText("\n", null);
writer.startElement("tr", chooser); //NOI18N
writer.startElement("td", chooser); //NOI18N
renderFileList(context, chooser, writer, theme);
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
renderMultiSelectHelp(context, chooser, writer, theme);
writer.startElement("tr", chooser); //NOI18N
writer.startElement("td", chooser); //NOI18N
writer.writeText("\n", null);
renderSelectText(context, chooser, writer, theme);
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
writer.writeText("\n", null);
writer.startElement("tr", chooser); //NOI18N
writer.startElement("td", chooser); //NOI18N
writer.startElement("hr", chooser); //NOI18N
writer.writeAttribute("color", "#98a0a5", null);
writer.writeAttribute("size", "1", null);
writer.endElement("hr"); //NOI18N
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
writer.writeText("\n", null);
writer.endElement("table"); //NOI18N
writer.endElement("div"); //NOI18N
writer.endElement("div"); //NOI18N
// end of filechooser layout, now add the two hidden fields.
String hiddenID = chooser.getClientId(context) + ":" +
chooser.getId() + FileChooser.FILECHOOSER_HIDDENFIELD_ID;
writer.startElement("input", chooser);
writer.writeAttribute("id", hiddenID, null); //NOI18N
writer.writeAttribute("name", hiddenID, null); //NOI18N
writer.writeAttribute("type", "hidden", null); //NOI18N
writer.writeAttribute("value", "NOACTION", null); //NOI18N
writer.endElement("input");
Button hiddenButton = (Button) chooser.getHiddenFCButton();
hiddenButton.setStyleClass(theme.getStyleClass(ThemeStyles.HIDDEN));
RenderingUtilities.renderComponent(hiddenButton, context);
// Render a hidden select to hold the currently selected
// values.
// Not sure if this really needs to done.
// No change should be indicated by no submitted value
// or if the selected file field contains exactly what it
// did when it was rendered.
//
//renderSelectedSelections(context, chooser, writer, theme);
// This may be useful at some point.
// I was going to use this to detect entries that
// where typed into the selected file field.
// It would be a way to determine if an entry
// was a full path. The problem is that you can't
// detect when the file chooser is actually submitted
// since the submit may have occured from an element
// outside the file chooser. Then only way to do this
// then would be onchange events and key press events
// on the selected file field.
//
//renderRoots(context, chooser, writer, theme);
renderJavaScript(chooser, context, writer, theme);
} catch (Exception e) {
throw new FacesException("Filechooser throws exception while" +
"rendering: " + e.getMessage());
}
}
private void renderSelectedSelections(FacesContext context,
FileChooser chooser, ResponseWriter writer, Theme theme)
throws Exception {
writer.startElement("select", chooser); //NOI18N
String id = chooser.getClientId(context) + ":" + //NOI18N
chooser.getId() + "_selections"; //NOI18N
writer.writeAttribute("id", id, null); //NOI18N
writer.writeAttribute("name", id, null); //NOI18N
writer.writeAttribute("style", "{display:none}", null); //NOI18N
writer.writeAttribute("multiple", "multiple", null); //NOI18N
// If this select is going to hold the current selections
// need to get conversion hooked up to convert from the
// app's type
writer.endElement("select"); //NOI18N
}
// Render the possible roots.
//
private void renderRoots(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
String[] roots = chooser.getRoots();
writer.startElement("select", chooser); //NOI18N
String id = chooser.getClientId(context) + ":" + //NOI18N
chooser.getId() + "_roots"; //NOI18N
writer.writeAttribute("id", id, null); //NOI18N
writer.writeAttribute("name", id, null); //NOI18N
writer.writeAttribute("style", "{display:none}", null); //NOI18N
writer.writeAttribute("multiple", "multiple", null); //NOI18N
for (int i = 0; i < roots.length; ++i) {
writer.startElement("option", chooser); //NOI18N
writer.writeAttribute("value", roots[i], null); //NOI18N
writer.endElement("option"); //NOI18N
}
// If this select is going to hold the current selections
// need to get conversion hooked up to convert from the
// app's type
writer.endElement("select"); //NOI18N
}
/**
* This method appends the servername from where the files are being
* listed to the filechooser layout.
*/
protected void renderServerName(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
UIOutput uio = (UIOutput) chooser.getServerNameText();
Label label = (Label) chooser.getServerNameLabel();
// If either not rendered, render neither.
if (!uio.isRendered() || !label.isRendered()) {
return;
}
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_SRV_DIV), null);
// Render server name label
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LEV2_DIV), null);
RenderingUtilities.renderComponent(label, context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
// Render server name text
RenderingUtilities.renderComponent(uio, context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the fileChooser label.
*/
protected void renderChooserTitle(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
// Append alert icon html.
try {
StaticText title = (StaticText) chooser.getFileChooserTitle();
if (!title.isRendered()) {
return;
}
writer.startElement("table", chooser); //NOI18N
writer.writeAttribute("width", "100%", "width"); //NOI18N
writer.writeAttribute("border", "0", "border"); //NOI18N
writer.writeAttribute("cellpadding", "0", "cellpadding"); //NOI18N
writer.writeAttribute("cellspacing", "0", "cellspacing"); //NOI18N
writer.writeAttribute("title", "", "title"); //NOI18N
writer.startElement("tr", chooser); //NOI18N
writer.writeAttribute("valign", "bottom", "valign"); //NOI18N
writer.startElement("td", chooser); //NOI18N
writer.writeAttribute("valign", "bottom", "valign"); //NOI18N
writer.startElement("div", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.TITLE_TEXT_DIV), "class");
writer.startElement("h1", chooser);
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.TITLE_TEXT), "class");
RenderingUtilities.renderComponent(title, context);
writer.endElement("h1"); //NOI18N
writer.endElement("div"); //NOI18N
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
writer.endElement("table");
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders help message in small font to
* the filechooser layout.
*/
protected void renderInlineHelp(FacesContext context, FileChooser chooser,
ResponseWriter writer, String messageKey, Theme theme)
throws Exception {
try {
UIComponent help = chooser.getEnterInlineHelp();
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_FLT_HLP_DIV), null);
if (help.isRendered()) {
RenderingUtilities.renderComponent(help, context);
}
writer.writeText("\n", null); //NOI18N
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method appends a help message in small font to
* the filechooser layout.
*/
protected void renderLookinTextField(FacesContext context,
FileChooser chooser, ResponseWriter writer, Theme theme)
throws Exception {
try {
TextField lookinField = (TextField) chooser.getLookInTextField();
if (!lookinField.isRendered()) {
return;
}
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LOOK_IN_DIV), null);
writer.writeText("\n", null); //NOI18N
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LEV2_DIV), null);
writer.writeText("\n", null); //NOI18N
// render the lookin textfield label
RenderingUtilities.renderComponent(chooser.getLookInLabel(), context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
// render the lookin textfield
setEnterKeyPressHandler(context, chooser, lookinField);
RenderingUtilities.renderComponent(lookinField, context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method appends a help message in small font to
* the filechooser layout.
*/
protected void renderFilterField(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
TextField filterOnField = (TextField) chooser.getFilterTextField();
if (!filterOnField.isRendered()) {
return;
}
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_FLT_DIV), null);
writer.writeText("\n", null); //NOI18N
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LEV2_DIV), null);
RenderingUtilities.renderComponent(chooser.getFilterLabel(), context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
// render the lookin textfield
setEnterKeyPressHandler(context, chooser, filterOnField);
RenderingUtilities.renderComponent(filterOnField, context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the sort field drop down menu
* for the filechooser component.
*/
protected void renderSortFields(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_SORT_BY_DIV), null);
writer.writeText("\n", null); //NOI18N
Label sortLabel = (Label) chooser.getSortComponentLabel();
DropDown jdd = (DropDown) chooser.getSortComponent();
if (!jdd.isRendered()) {
return;
}
if (sortLabel.isRendered()) {
RenderingUtilities.renderComponent(sortLabel, context);
}
RenderingUtilities.renderComponent(jdd, context);
writer.writeText("\n", null); //NOI18N
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the list of files/folders in
* a listbox.
*/
protected void renderFileList(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_LST_DIV), null);
UIComponent fileList = chooser.getListComponent();
createJavaScriptForFileList(chooser, context, fileList);
setEnterKeyPressHandler(context, chooser, fileList);
RenderingUtilities.renderComponent(fileList, context);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the multiselect help if supplied
*/
protected void renderMultiSelectHelp(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
HelpInline help = (HelpInline) chooser.getMultiSelectHelp();
if (help != null && help.isRendered()) {
writer.startElement("tr", chooser); //NOI18N
writer.startElement("td", chooser); //NOI18N
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_MULT_HLP_DIV), null);
RenderingUtilities.renderComponent(help, context);
writer.endElement("div");
renderClearDiv(context, chooser, writer, theme);
writer.endElement("td");
writer.endElement("tr");
}
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the buttons used to traverse the file/folder
* list.
*/
protected void renderButtons(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_BTN_GRP_DIV), null);
/*
HelpInline help = (HelpInline)chooser.getMultiSelectHelp();
if (help == null) {
writer.write(" "); //NOI18N
} else{
if (help.isRendered()) {
RenderingUtilities.renderComponent(help, context);
}
}
*/
renderUpLevelButton(context, chooser, writer, theme); //NOI18N
renderOpenFolderButton(context, chooser, writer, theme); //NOI18N
writer.endElement("div"); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the button to traverse the resource list
* up one level.
*/
protected void renderUpLevelButton(FacesContext context,
FileChooser chooser, ResponseWriter writer, Theme theme)
throws Exception {
try {
writer.writeText("\n", null); //NOI18N
Button child = (Button) chooser.getUpLevelButton(false);
if (!child.isRendered()) {
return;
}
StringBuffer jsBuffer = new StringBuffer(256);
jsBuffer.append(JavaScriptUtilities.getDomNode(context, chooser));
jsBuffer.append(".moveUpButtonClicked();");
child.setOnClick(jsBuffer.toString());
RenderingUtilities.renderComponent(child, context);
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the button to open a folder.
*/
protected void renderOpenFolderButton(FacesContext context,
FileChooser chooser, ResponseWriter writer, Theme theme)
throws Exception {
try {
writer.writeText("\n", null); //NOI18N
Button child = (Button) chooser.getOpenFolderButton();
if (!child.isRendered()) {
return;
}
StringBuffer jsBuffer = new StringBuffer(256);
jsBuffer.append(JavaScriptUtilities.getDomNode(context, chooser));
jsBuffer.append(".openFolderClicked();");
child.setOnClick(jsBuffer.toString());
RenderingUtilities.renderComponent(child, context);
writer.writeText("\n", null); //NOI18N
} catch (Exception e) {
throw e;
}
}
/**
* This method renders the test field which lists the selected
* file(s) or folder(s).
* It must satisfy the following UI properties:
* If a file is selected in the list, display the name of the file
* in the Selected File text field. If multiple files are selected,
* display all of the files names separated by commas. Do not display
* folder names in the Selected File text field. Replace existing text
* in the Selected File text field only when the user selects a new
* file name from the list or types a new file name. No other action
* should replace existing text in the Selected File text field.
*
* Allow the user to specify a new path in the Selected File text
* field. After the user enters the new path and hits enter, update
* the list and the Look In text field to reflect the new path. If a
* user types a path that begins with '/' or '\', take that as the
* full path name. Otherwise, append what the user types to the path
* in the Look In text field.
*
* Allow the user to specify a file name in the Selected File text
* field by typing a full path, or without a path if the file is
* contained in the current Look In folder. Once the user types in a
* valid file name and presses the Enter key, the window should react
* appropriately: pop-up windows should close and return the file name
* to the application while inline file choosers should return the file
* name, clear the Selected file text field, and either close or await
* additional user input at the application designer's discretion.
* If the file chooser is in a pop-up window, set the keyboard focus
* inside the Selected File text field when the pop-up window
* initially comes up.
*
*/
protected void renderSelectText(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) throws Exception {
try {
TextField selectedTextField =
(TextField) chooser.getSelectedTextField();
if (!selectedTextField.isRendered()) {
return;
}
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_SEL_FILE_DIV), null);
writer.writeText("\n", null); //NOI18N
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.FILECHOOSER_SEL_FILE_LEV2_DIV), null);
RenderingUtilities.renderComponent(chooser.getSelectLabel(), context);
writer.endElement("div"); //NOI18N
setEnterKeyPressHandler(context, chooser, selectedTextField);
RenderingUtilities.renderComponent(selectedTextField, context);
writer.endElement("div"); //NOI18N
renderClearDiv(context, chooser, writer, theme); //NOI18N
} catch (Exception e) {
throw e;
}
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Private methods
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* This method renders JavaScript to initialize dom node.
*/
private void renderJavaScript(FileChooser chooser, FacesContext context,
ResponseWriter writer, Theme theme) throws IOException {
// boolean folderChooser = chooser.isFolderChooser();
String chooserType = null;
if (chooser.isFolderChooser()) {
chooserType = "folderChooser";
} else if (chooser.isFileAndFolderChooser()) {
chooserType = "fileAndFolderChooser";
} else {
chooserType = "fileChooser";
}
// Arguments are
// The client id
// The chooser mode, folder chooser "true", file chooser "false"
// The move up dir or the parent directory of the displayed
// directory. This may be the same as the current directory.
// The escape char, the string to use to escape the delimiter when
// it appears in a file name.
// The delimiter, the string to use to separate entries in
// the selected file field.
// Need to escape the escapeChar
// There are other possible issue characters like "'"
// and '"' but let's not deal with that now.
//
String esc = chooser.getEscapeChar();
if (esc.equals("\\")) { //NOI18N
esc = "\\\\"; //NOI18N
}
// getParentFolder can return null.
// If null is returned, use getCurrentFolder().
// FileChooserModel.getCurrentDir no longer returns null.
// and will return the the root directory.
//
String parentDir = chooser.getParentFolder();
String currentFolder = chooser.getCurrentFolder();
if (parentDir == null) {
parentDir = currentFolder;
}
// If parentDir is still null, set it to empty string.
// probably not FileChooserModel.
//
String sep = chooser.getSeparatorString();
if (parentDir == null) {
parentDir = "";
} else {
// Need to escape separator String
//
if (sep.equals("\\")) { //NOI18N
sep = sep + sep;
parentDir = parentDir.replaceAll(sep, sep + sep);
}
}
sep = chooser.getSeparatorString();
if (currentFolder == null) {
currentFolder = "";
} else {
// Need to escape separator String
//
if (sep.equals("\\")) { //NOI18N
sep = sep + sep;
currentFolder = currentFolder.replaceAll(sep, sep + sep);
}
}
try {
// Append properties.
String id = chooser.getClientId(context);
StringBuffer buff = new StringBuffer(256);
JSONObject json = new JSONObject();
json.put("id", id).put("chooserType", chooserType).put("parentFolder", parentDir).put("separatorChar", sep).put("escapeChar", esc).put("delimiter", chooser.getDelimiterChar()).put("currentFolder", currentFolder);
// Append JavaScript.
buff.append(JavaScriptUtilities.getModule("fileChooser")).append("\n") // NOI18N
.append(JavaScriptUtilities.getModuleName("fileChooser.init")) // NOI18N
.append("(") //NOI18N
.append(json.toString(JavaScriptUtilities.INDENT_FACTOR)).append(");"); //NOI18N
// Render JavaScript.
JavaScriptUtilities.renderJavaScript(chooser, writer,
buff.toString());
} catch (JSONException e) {
e.printStackTrace();
}
}
/**
* Create the javascript for file list to handle onchange
*/
private void createJavaScriptForFileList(FileChooser chooser,
FacesContext context, UIComponent fileList) {
String jsObject = JavaScriptUtilities.getDomNode(context, chooser);
// generate the JavaScript that will disable DBL clicks
// on files in a folderchooser.
StringBuffer dblClickBuffer = new StringBuffer(256);
dblClickBuffer.append(jsObject);
dblClickBuffer.append(".handleDblClick();"); //NOI18N
fileList.getAttributes().put("onDblClick", dblClickBuffer.toString()); //NOI18N
// The user gets to choose the child name, label, tooltip for
// the control button that is placed at the bottom of the
// filechooser tag. The following few lines of code disables
// this button based on certain conditions. For example, the
// button would be disabled if the user selects a file but
// the choose button is meant to choose a folder.
// The following code disabled the open folder button
// based on the following situations:
// a) user selects more than one from the list of files/folders
// b) user selects a file
// c) user does not select anything
// This javascript also performs the following additional
// function. Add the file/folder to the selected file/folder
// textfield if its of the appropriate type and has been selected.
StringBuffer jsBuffer = new StringBuffer(256);
jsBuffer.append(jsObject);
jsBuffer.append(".handleOnChange();"); //NOI18N
fileList.getAttributes().put("onChange", jsBuffer.toString()); //NOI18N
}
/**
* This method returns the string of size maxLen by padding the
* appropriate amount of spaces next to str.
*/
private void setEnterKeyPressHandler(FacesContext context,
FileChooser chooser, UIComponent child) {
StringBuffer scriptBuffer = new StringBuffer();
scriptBuffer.append("return "); //NOI18N
scriptBuffer.append(JavaScriptUtilities.getDomNode(context, chooser));
scriptBuffer.append(".enterKeyPressed(this);"); //NOI18N
String js = getReturnKeyJavascriptWrapper(scriptBuffer.toString());
scriptBuffer.setLength(0);
scriptBuffer.append(js);
child.getAttributes().put("onKeyPress", scriptBuffer.toString());
}
/**
* Return the HTML equivalent of a single table row of empty space.
*/
private void renderEmptyLine(FacesContext context, FileChooser chooser,
ResponseWriter writer, String colSpan, int wd, int ht, Theme theme) {
try {
writer.startElement("tr", chooser); //NOI18N
renderDotImage(writer, chooser, context, colSpan, wd, ht, theme);
writer.endElement("tr"); //NOI18N
writer.writeText("\n", null);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Return the HTML equivalent of a single table row of empty space.
*/
private void renderClearDiv(FacesContext context, FileChooser chooser,
ResponseWriter writer, Theme theme) {
try {
writer.startElement("div", chooser); //NOI18N
writer.writeAttribute("class",
theme.getStyleClass(ThemeStyles.CLEAR), null);
writer.endElement("div"); //NOI18N
writer.writeText("\n", null);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Return the HTML equivalent of a single table data of empty space.
*/
private void renderDotImage(ResponseWriter writer, FileChooser chooser,
FacesContext context, String colSpan, int wd, int ht, Theme theme) {
try {
writer.startElement("td", chooser); //NOI18N
if (colSpan != null) {
writer.writeAttribute("colspan", colSpan, null); //NOI18N
}
Icon dot = ThemeUtilities.getIcon(theme, ThemeImages.DOT);
dot.setWidth(wd);
dot.setHeight(ht);
dot.setBorder(0);
dot.setAlt("");
RenderingUtilities.renderComponent(dot, context);
// close the td tag
writer.endElement("td"); //NOI18N
writer.writeText("\n", null);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Log an error - only used during development time.
*/
void log(String s) {
if (LogUtil.fineEnabled(FileChooserRenderer.class)) {
LogUtil.fine(FileChooserRenderer.class, s);
}
}
/**
* Helper method to get Javascript to submit the "go" button when the user
* clicks enter in the page field.
*
* @return The Javascript used to submit the "go" button.
*/
private String getReturnKeyJavascriptWrapper(String body) {
ClientSniffer cs = ClientSniffer.getInstance(getFacesContext());
// Get key code.
String keyCode = cs.isNav() ? "event.which" : "event.keyCode"; //NOI18N
// Append JS to capture the event.
StringBuffer buff = new StringBuffer(128).append("if (") //NOI18N
.append(keyCode).append("==13) {"); //NOI18N
// To prevent an auto-submit, Netscape 6.x and netscape 7.0 require
// setting the cancelBubble property. However, Netscape 7.1,
// Mozilla 1.x, IE 5.x for SunOS/Windows do not use this property.
if (cs.isNav6() || cs.isNav70()) {
buff.append("event.cancelBubble = true;"); //NOI18N
}
buff.append(body).append("} else { return true; }"); //NOI18N
return buff.toString();
}
}