Subversion Repositories eFlore/Archives.cel-v1

/*

 * Copyright 2006 Google Inc.

 *

 * Licensed under the Apache License, Version 2.0 (the "License"); you may not

 * use this file except in compliance with the License. You may obtain a copy of

 * the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

 * License for the specific language governing permissions and limitations under

 * the License.

 */

package org.tela_botanica.client;

import net.mygwt.ui.client.data.Model;

import net.mygwt.ui.client.viewer.IAsyncContentCallback;

import net.mygwt.ui.client.viewer.IAsyncTreeContentProvider;

import net.mygwt.ui.client.viewer.IElementComparer;

import net.mygwt.ui.client.viewer.ISelectionChangedListener;

import net.mygwt.ui.client.viewer.ModelLabelProvider;

import net.mygwt.ui.client.viewer.SelectionChangedEvent;

import net.mygwt.ui.client.viewer.TreeViewer;

import net.mygwt.ui.client.viewer.Viewer;

import net.mygwt.ui.client.widget.ExpandBar;

import net.mygwt.ui.client.widget.ExpandItem;

import net.mygwt.ui.client.widget.tree.Tree;

import com.google.gwt.json.client.JSONArray;

import com.google.gwt.json.client.JSONParser;

import com.google.gwt.json.client.JSONString;

import com.google.gwt.json.client.JSONValue;

import com.google.gwt.user.client.HTTPRequest;

import com.google.gwt.user.client.ResponseTextHandler;

import com.google.gwt.user.client.ui.Composite;

public class DateFilterView extends Composite {

		private static final String VALUE_UNKNOWN = "Inconnus";

		private String user;

		private String serviceBaseUrl = null;

		private String year = "all";

		private String month = "all";

		private String day = "all";

		private Mediator mediator = null;

	    private YEAR[] years=null;

	    private MONTH[] months=null;

	    private DAY[] days=null;

		private Model root = null;

		private MILLENIUM millenium = null;

		private Tree tree = null;

		private TreeViewer viewer=null;

		public DateFilterView(Mediator med, InventoryFilterView inventoryFilterView) {

			mediator=med;

			mediator.registerDateFilterView(this);

			user=mediator.getUser();

			serviceBaseUrl = mediator.getServiceBaseUrl();

		    initTree();

			ExpandItem dateFilter = new ExpandItem();

			dateFilter.setText("Dates");

			ExpandBar expandBar=inventoryFilterView.getExpandBar();

			dateFilter.getContainer().add(tree);

			expandBar.add(dateFilter);

  }

//		 Initialisation noeud de base

		  void initTree() {

			  // Enregistrement Mise à jour asynchrone

			   IAsyncTreeContentProvider cp = new IAsyncTreeContentProvider() {

			   public Object[] getElements(Object input) {

				      Model m = (Model) input;

				       return m.getChildren().toArray();

			   }

			   public Object getParent(Object element) {

				   return ((Model) element).getParent();

			   }

			   public boolean hasChildren(Object parent) {

			          if (parent instanceof DAY) {  // Jour

			        	  return false;

				      }

			          else  {

			        	  if (parent instanceof YEAR) {  // Annee

			        		  if (((YEAR)parent).toString().compareTo(VALUE_UNKNOWN)==0)

			        			  return false;

			        		  else

			        			  return true;

			        	  }

			        	  else {

				           return true;

			        	  }

			          }

			   }

			    public void getChildren(final Object parent, final IAsyncContentCallback callback) {

			        if (parent instanceof YEAR) {

			        	  // Annee + mois

				           HTTPRequest.asyncGet(serviceBaseUrl + "/InventoryDateList/" + user + "/"

									+ ((YEAR) parent).getAsString("path"),

									new ResponseTextHandler() {

										public void onCompletion(String str) {

											JSONValue jsonValue = JSONParser.parse(str);

											JSONArray jsonArray;

											JSONArray jsonArrayNested;

											int i=0;

											if ((jsonArray = jsonValue.isArray()) != null) {

												int arraySize = jsonArray.size();

												months=new MONTH[arraySize];

												for (i = 0; i < arraySize; ++i) {

													if ((jsonArrayNested = jsonArray.get(i).isArray()) != null) {

														String month=Util.toCelString(((JSONString)jsonArrayNested.get(0)).toString());

														if (month.compareTo("0")==0) month=VALUE_UNKNOWN;

														months[i]=new MONTH((YEAR) parent,month);

													}

												}

												callback.setElements(months);

											}

										}

									});

				         }

			          else if (parent instanceof MONTH) {

			        	  // Mois + jours

				           HTTPRequest.asyncGet(serviceBaseUrl + "/InventoryDateList/" + user + "/"

									+ ((MONTH) parent).getAsString("path") ,

									new ResponseTextHandler() {

										public void onCompletion(String str) {

											JSONValue jsonValue = JSONParser.parse(str);

											JSONArray jsonArray;

											JSONArray jsonArrayNested;

											int i=0;

											if ((jsonArray = jsonValue.isArray()) != null) {

												int arraySize = jsonArray.size();

												days=new DAY[arraySize];

												for (i = 0; i < arraySize; ++i) {

													if ((jsonArrayNested = jsonArray.get(i).isArray()) != null) {

														String day=Util.toCelString(((JSONString)jsonArrayNested.get(0)).toString());

														if (day.compareTo("0")==0) day=VALUE_UNKNOWN;

														days[i]=new DAY((MONTH) parent, day);

													}

												}

												callback.setElements(days);

											}

										}

									});

			          }

			          	else if (parent instanceof MILLENIUM) {

			          		 // Rafraichissement Racine

					           HTTPRequest.asyncGet(serviceBaseUrl + "/InventoryDateList/" + user ,

										new ResponseTextHandler() {

											public void onCompletion(String str) {

												JSONValue jsonValue = JSONParser.parse(str);

												JSONArray jsonArray;

												JSONArray jsonArrayNested;

												int i=0;

												if ((jsonArray = jsonValue.isArray()) != null) {

													int arraySize = jsonArray.size();

													years=new YEAR[arraySize];

													for (i = 0; i < arraySize; ++i) {

														if ((jsonArrayNested = jsonArray.get(i).isArray()) != null) {

															String all=Util.toCelString(((JSONString)jsonArrayNested.get(0)).toString());

															if (all.compareTo("0")==0) all=VALUE_UNKNOWN;

															years[i]=new YEAR(all);

														}

													}

													callback.setElements(years);

												}

											}

										});

			          	}

			    }

				    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

				    }

				 };

				 tree = new Tree();

				 viewer = new TreeViewer(tree);

				 viewer.setContentProvider(cp);

				 viewer.setLabelProvider(new ModelLabelProvider());

				 viewer.setComparer(new IElementComparer() {

					 public boolean equals(Object a, Object b) {

						 if ((a==null) || b==null)

							 return false;

						 if (((Model) a).getAsString("name").compareTo(((Model) b).getAsString("name"))==0) {

							 return true;

						 }

						 else return false;

					 }

				 }

				 );

				   viewer.addSelectionListener(new ISelectionChangedListener() {

				        public void selectionChanged(SelectionChangedEvent se) {

				          Model m = (Model) se.getSelection().getFirstElement();

				       //   Info.show("Selection Changed", "{0} was selected", m.getAsString("path"));

				          if (m instanceof MONTH) { // Mois

				        	  month=m.getAsString("name");

				        	  if (month.compareTo(VALUE_UNKNOWN)==0) month="0";

				        	  year=m.getAsString("year");

				        	  if (year.compareTo(VALUE_UNKNOWN)==0) year="0";

				        	  day="all";

				        	  mediator.onDateSelected(year,month,day);

				          }

				          else

					          if (m instanceof DAY) { // Jour

					        	  month=m.getAsString("month");

					        	  if (month.compareTo(VALUE_UNKNOWN)==0) month="0";

					        	  year=m.getAsString("year");

					        	  if (year.compareTo(VALUE_UNKNOWN)==0) year="0";

					        	  day=m.getAsString("name");

					        	  if (day.compareTo(VALUE_UNKNOWN)==0) day="0";

					        	  mediator.onDateSelected(year,month,day);

					          }

					          else

					          if (m instanceof YEAR) { // Annee

					        	  month="all";

					        	  year=m.getAsString("name");

					        	  if (year.compareTo(VALUE_UNKNOWN)==0) year="0";

					        	  day="all";

					        	  mediator.onDateSelected(year,month,day);

					          }

				          		if (m instanceof MILLENIUM) { // Tous

				          			month="all";

				          			year="all";

				          			day="all";

				          			mediator.onDateSelected(year,month,day);

				          		}

				        }

			});

				 // Initialisation premier niveau (doublon obligatoire avec rafraichissement asynchrone)

				root = new Model();

				HTTPRequest.asyncGet(serviceBaseUrl + "/InventoryDateList/" + user,

							new ResponseTextHandler() {

								public void onCompletion(String str) {

									JSONValue jsonValue = JSONParser.parse(str);

									JSONArray jsonArray;

									JSONArray jsonArrayNested;

									int i=0;

									if ((jsonArray = jsonValue.isArray()) != null) {

										int arraySize = jsonArray.size();

										years=new YEAR[arraySize];

										millenium = new MILLENIUM("Toutes");

										for (i = 0; i < arraySize; ++i) {

											if ((jsonArrayNested = jsonArray.get(i).isArray()) != null) {

												String all=Util.toCelString(((JSONString)jsonArrayNested.get(0)).toString());

												if (all.compareTo("0")==0) all=VALUE_UNKNOWN;

												years[i]=new YEAR(all);

												millenium.add(years[i]);

											}

										}

										root.add(millenium);

										viewer.setInput(root);

									}

								}

							});

		      }

		private class MILLENIUM extends Model {  // Root

				  public MILLENIUM(String name) {

				    set("name", name);

				    set("path", name);

				  }

				  public String toString() {

				    return getAsString("name");

				  }

		 }

			private class YEAR extends Model {  // Annee

				  public YEAR(String name) {

				    set("name", name);

				    set("path", name);

				  }

				  public String toString() {

					    return getAsString("name");

				  }

			}

			private class MONTH extends Model {  // Mois

				  public MONTH(YEAR parent, String name) {

				    set("name", name);

				    set("year", parent.get("name"));

				    set("path", parent.get("path")+"/"+name);

				  }

				  public String toString() {

					    return getAsString("name");

				  }

			}

			private class DAY extends Model {  // Jour

				  public DAY(MONTH parent,String name) {

				    set("name", name);

				    set("year", parent.get("year"));

				    set("month", parent.get("name"));

				    set("path", parent.get("path")+"/"+name);

				  }

				  public String toString() {

					    return getAsString("name");

				  }

			}

		public void setUser(String user) {

			this.user = user;

		}

		public void setYear(String year) {

			this.year = year;

		}

		public void setMonth(String month) {

			this.month = month;

		}

		public void setDay(String day) {

			this.day = day;

		}

		public void update() {

			Model r=new Model();

			r.set("name","Toutes");

			viewer.refresh(r);

		}

}