/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 1999-2006 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.core.commons.modules.bc.components;
import java.util.Iterator;
import org.apache.commons.lang.StringEscapeUtils;
import org.olat.core.commons.modules.bc.FolderConfig;
import org.olat.core.commons.modules.bc.FolderRunController;
import org.olat.core.commons.modules.bc.commands.FolderCommandFactory;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.ComponentRenderer;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.winmgr.AJAXFlags;
import org.olat.core.gui.render.RenderResult;
import org.olat.core.gui.render.Renderer;
import org.olat.core.gui.render.RenderingState;
import org.olat.core.gui.render.StringOutput;
import org.olat.core.gui.render.URLBuilder;
import org.olat.core.gui.translator.Translator;
import org.olat.core.util.CodeHelper;
import org.olat.core.util.Formatter;
import org.olat.core.util.vfs.VFSConstants;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.core.util.vfs.VFSItem;
/**
* @author Felix Jost
*/
public class FolderComponentRenderer implements ComponentRenderer {
private ListRenderer listRenderer;
private CrumbRenderer crumbRenderer;
/**
* Constructor for TableRenderer. Singleton and must be reentrant
* There must be an empty contructor for the Class.forName() call
*/
public FolderComponentRenderer() {
super();
listRenderer = new ListRenderer();
crumbRenderer = new CrumbRenderer();
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#render(org.olat.core.gui.render.Renderer, org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component, org.olat.core.gui.render.URLBuilder, org.olat.core.gui.translator.Translator, org.olat.core.gui.render.RenderResult, java.lang.String[])
*/
public void render(Renderer renderer, StringOutput target, Component source, URLBuilder ubu, Translator translator, RenderResult renderResult, String[] args) {
FolderComponent fc = (FolderComponent) source;
// is called for the current inline html
int renderType = 0;
if (args != null && args.length > 0) {
if (args[0].equals("list")) renderType = 0;
if (args[0].equals("crumb")) renderType = 1;
if (args[0].equals("crumbNoLinks")) renderType = 2;
}
// get ajax flag for link rendering
boolean iframePostEnabled = renderer.getGlobalSettings().getAjaxFlags().isIframePostEnabled();
if (renderType == 1)
target.append(crumbRenderer.render(fc, ubu, true, iframePostEnabled));
else if (renderType == 2)
target.append(crumbRenderer.render(fc, ubu, false, iframePostEnabled));
else
renderList(renderer, target, fc, ubu, translator, iframePostEnabled);
}
private void renderList(Renderer r, StringOutput target, FolderComponent fc, URLBuilder ubu, Translator translator, boolean iframePostEnabled) {
VFSContainer currentContainer = fc.getCurrentContainer();
boolean canWrite = currentContainer.canWrite() == VFSConstants.YES;
boolean canDelete = false;
boolean canVersion = FolderConfig.versionsEnabled(fc.getCurrentContainer());
for (Iterator<VFSItem> iter = fc.getCurrentContainerChildren().iterator(); iter.hasNext();) {
VFSItem child = iter.next();
if (child.canDelete() == VFSConstants.YES) {
canDelete = true;
break;
}
}
String formName = "folder" + CodeHelper.getRAMUniqueID();
target.append("<form method=\"post\" id=\"" + formName + "\" action=\"");
ubu.buildURI(target, new String[] { VelocityContainer.COMMAND_ID }, new String[] {FolderRunController.FORM_ACTION }, iframePostEnabled ? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
target.append("\" onsubmit=\"if ( b_briefcase_isChecked('").append(formName)
.append("', '").append(Formatter.escapeSingleAndDoubleQuotes(StringEscapeUtils.escapeHtml(translator.translate("alert")).toString()))
.append("')) { if(o_info.linkbusy) return false; else o_beforeserver(); return true; } else {return false; }\"");
if (iframePostEnabled) { // add ajax iframe target
StringOutput so = new StringOutput();
ubu.appendTarget(so);
target.append(so.toString());
}
target.append(">");
target.append("<div class=\"b_briefcase_createactions b_clearfix\"><ul>");
if (canWrite) {
// add folder actions: upload file, create new folder, creat new file
if(canVersion) {
// deleted files
target.append("<li><a class=\"b_briefcase_deletedfiles\" href=\"");
ubu.buildURI(target, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "dfiles" }, iframePostEnabled ? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
target.append("\"");
if (iframePostEnabled) { // add ajax iframe target
StringOutput so = new StringOutput();
ubu.appendTarget(so);
target.append(so.toString());
}
target.append(">");
target.append(translator.translate("dfiles"));
target.append("</a></li>");
}
if(canWrite) {
// option upload
target.append("<li><a class=\"b_briefcase_upload\" href=\"");
ubu.buildURI(target, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "ul" }, iframePostEnabled ? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
target.append("\"");
if (iframePostEnabled) { // add ajax iframe target
StringOutput so = new StringOutput();
ubu.appendTarget(so);
target.append(so.toString());
}
target.append(">");
target.append(translator.translate("ul"));
target.append("</a></li>");
// option new folder
target.append("<li><a class=\"b_briefcase_newfolder\" href=\"");
ubu.buildURI(target, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "cf" }, iframePostEnabled ? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
target.append("\"");
if (iframePostEnabled) { // add ajax iframe target
StringOutput so = new StringOutput();
ubu.appendTarget(so);
target.append(so.toString());
}
target.append(">");
target.append(translator.translate("cf"));
target.append("</a></li>");
// option new file
target.append("<li><a class=\"b_briefcase_newfile\" href=\"");
ubu.buildURI(target, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "cfile" }, iframePostEnabled ? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
target.append("\"");
if (iframePostEnabled) { // add ajax iframe target
StringOutput so = new StringOutput();
ubu.appendTarget(so);
target.append(so.toString());
}
target.append(">");
target.append(translator.translate("cfile"));
target.append("</a></li>");
}
}
//placeholder for the search
target.append("</ul></div>");
// add current file bread crumb path
target.append(crumbRenderer.render(fc, ubu, true, iframePostEnabled));
// add file listing for current folder
target.append(listRenderer.render(fc, ubu, translator, iframePostEnabled));
if (fc.getCurrentContainerChildren().size() > 0) {
if (canWrite || canDelete) {
target.append("<div class=\"b_togglecheck\">");
target.append("<a href=\"#\" onclick=\"javascript:b_briefcase_toggleCheck('").append(formName).append("', true)\">");
target.append("<input type=\"checkbox\" checked=\"checked\" disabled=\"disabled\" />");
target.append(translator.translate("checkall"));
target.append("</a> <a href=\"#\" onclick=\"javascript:b_briefcase_toggleCheck('").append(formName).append("', false)\">");
target.append("<input type=\"checkbox\" disabled=\"disabled\" />");
target.append(translator.translate("uncheckall"));
target.append("</a></div>");
target.append("<div class=\"b_briefcase_commandbuttons b_button_group\">");
if (canDelete) {
// delete
target.append("<input type=\"submit\" class=\"b_button\" name=\"");
target.append(FolderRunController.ACTION_PRE).append(FolderCommandFactory.COMMAND_DEL);
target.append("\" value=\"");
target.append(StringEscapeUtils.escapeHtml(translator.translate("del")));
target.append("\"/>");
}
if (canWrite) {
// move
target.append("<input type=\"submit\" class=\"b_button\" name=\"");
target.append(FolderRunController.ACTION_PRE).append(FolderCommandFactory.COMMAND_MOVE);
target.append("\" value=\"");
target.append(StringEscapeUtils.escapeHtml(translator.translate("move")));
// copy
target.append("\"/><input type=\"submit\" class=\"b_button\" name=\"");
target.append(FolderRunController.ACTION_PRE).append(FolderCommandFactory.COMMAND_COPY);
target.append("\" value=\"");
target.append(StringEscapeUtils.escapeHtml(translator.translate("copy")));
target.append("\"/>");
}
if (canWrite) {
// zip
target.append("<input type=\"submit\" class=\"b_button\" name=\"");
target.append(FolderRunController.ACTION_PRE).append(FolderCommandFactory.COMMAND_ZIP);
target.append("\" value=\"");
target.append(StringEscapeUtils.escapeHtml(translator.translate("zip")));
//unzip
target.append("\"/><input type=\"submit\" class=\"b_button\" name=\"");
target.append(FolderRunController.ACTION_PRE).append(FolderCommandFactory.COMMAND_UNZIP);
target.append("\" value=\"");
target.append(StringEscapeUtils.escapeHtml(translator.translate("unzip")));
target.append("\"/>");
}
target.append("</div>");
}
}
target.append("</form>");
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#renderHeaderIncludes(org.olat.core.gui.render.Renderer, org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component, org.olat.core.gui.render.URLBuilder, org.olat.core.gui.translator.Translator)
*/
public void renderHeaderIncludes(Renderer renderer, StringOutput sb, Component source, URLBuilder ubu, Translator translator, RenderingState rstate) {
// no JS to add
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#renderBodyOnLoadJSFunctionCall(org.olat.core.gui.render.Renderer, org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component)
*/
public void renderBodyOnLoadJSFunctionCall(Renderer renderer, StringOutput sb, Component source, RenderingState rstate) {
// no JS to render
}
}