/*
* Copyright (C) 2000-2012 InfoChamp System Corporation
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package org.gk.engine.client.event.attrib;
import java.util.Map;
import org.gk.engine.client.Engine;
import org.gk.engine.client.utils.ComponentUtils;
import org.gk.ui.client.com.IC;
import org.gk.ui.client.com.form.gkComboBox;
import org.gk.ui.client.com.form.gkMap;
import org.gk.ui.client.com.form.gkTimeField;
import org.gk.ui.client.com.panel.gkHtmlContainer;
import org.gk.ui.client.com.toolbar.gkButton;
import org.gk.ui.client.com.tree.dir.gkTreeDirPanelIC;
import org.gk.ui.client.com.tree.xml.gkXMLTreePanelIC;
import org.gk.ui.client.com.utils.DateTimeUtils;
import org.gk.ui.client.com.utils.TreeUtils;
import com.extjs.gxt.ui.client.data.ModelData;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.store.Record.RecordUpdate;
import com.extjs.gxt.ui.client.store.Store;
import com.extjs.gxt.ui.client.store.StoreEvent;
import com.extjs.gxt.ui.client.store.TreeStore;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.ComponentManager;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.WidgetComponent;
import com.extjs.gxt.ui.client.widget.form.ComboBox;
import com.extjs.gxt.ui.client.widget.form.DateField;
import com.extjs.gxt.ui.client.widget.form.Field;
import com.extjs.gxt.ui.client.widget.grid.Grid;
import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.Frame;
/**
* Value屬性
*
* @author i23250
* @since 2010/9/30
*/
public class ValueAttribute implements IAttribute {
@Override
public Object getAttributeValue(Component com) {
Object value = null;
if (com instanceof IC) {
value = ((IC) com).getInfo();
} else if (com instanceof gkHtmlContainer) {
gkHtmlContainer hc = (gkHtmlContainer) com;
value = hc.getHtml();
} else if (com instanceof Field) {
Field field = (Field) com;
if (field instanceof DateField) {
value = DateTimeUtils.getValue((DateField) field);
} else if (field instanceof gkTimeField) {
value = ((gkTimeField) field).getTimeValue();
} else {
value = field.getValue();
}
} else if (com instanceof gkButton) {
gkButton field = (gkButton) com;
value = field.getValue();
} else if (com instanceof LayoutContainer) {
// 如果是LayoutContainer,而且第一個元件是Frame，就取得URL字串
// 這是因為XFrame是使用LayoutContainer包Frame (詳見 XFrame)
Object obj = ((LayoutContainer) com).getItem(0);
if (obj instanceof WidgetComponent
&& ((WidgetComponent) obj).getWidget() instanceof Frame) {
Frame frame = (Frame) ((WidgetComponent) obj).getWidget();
value = frame.getUrl();
}
} else {
// 如果都找不到合適的，就直接拿Element取得html字串
Element ele = com.getElement();
value = ele.getInnerHTML();
Component g = ComponentManager.get().get(ele.getAttribute("gid"));
if (g instanceof Grid) {
// 針對cellEditor欄位取值
String[] param = ele.getId().split("_");
if (param.length != 2) {
return value;
}
String columnName = ((Grid) g).getColumnModel()
.getColumnById(param[0]).getDataIndex();
int rowIdx = Integer.parseInt(param[1]);
ModelData md = (ModelData) ((Grid) g).getStore().getModels()
.get(rowIdx);
value = md.get(columnName);
}
}
return value;
}
@Override
public void setAttributeValue(Component com, Object value) {
if (com instanceof IC) {
// 如果是Tree而且資料是Map，就進行該節點的更新
if (com instanceof gkXMLTreePanelIC && value instanceof Map) {
TreeUtils.updateSelectNode((gkXMLTreePanelIC) com, (Map) value);
} else if (com instanceof gkTreeDirPanelIC && value instanceof Map) {
// 更新節點內容，目前只提供name屬性更動
Map map = (Map) value;
assert map.containsKey(gkTreeDirPanelIC.ID) : "can't found nodeId:"
+ map;
String id = map.get(gkTreeDirPanelIC.ID).toString();
if (map.containsKey(gkTreeDirPanelIC.NAME)) {
// 由於改變name時，同時也更動path，所以採用新增及刪除的方式修改
String name = map.get(gkTreeDirPanelIC.NAME).toString();
TreePanel tree = (TreePanel) com;
TreeStore store = tree.getStore();
ModelData md = store.findModel(id);
ModelData parent = store.getParent(md);
int index = store.indexOf(md);
gkMap newmd = (gkMap) gkMap.clone((Map) md);
String oldPath = md.get(gkTreeDirPanelIC.PATH).toString();
String oldName = md.get(gkTreeDirPanelIC.NAME).toString();
int last = oldPath.lastIndexOf(oldName);
String lastPath = oldPath.substring(last);
lastPath = lastPath.replace(oldName, name);
String newPath = oldPath.substring(0, last) + lastPath;
newmd.set(gkTreeDirPanelIC.NAME, name);
newmd.set(gkTreeDirPanelIC.PATH, newPath);
store.insert(parent, newmd, index, false);
store.remove(md);
}
} else {
((IC) com).setInfo(value);
}
} else if (com instanceof gkButton) {
gkButton btn = (gkButton) com;
btn.setValue((String) value);
} else if (com instanceof gkHtmlContainer) {
gkHtmlContainer hc = (gkHtmlContainer) com;
if (value instanceof Map) {
hc.setInfo((Map) value);
} else {
hc.setHtml((String) value);
}
} else if (com instanceof LayoutContainer) {
String v = (String) value;
LayoutContainer lc = (LayoutContainer) com;
// 如果LayoutContainer裡面放的是Frame，就進行url設定
Object obj = lc.getItem(0);
if (obj instanceof WidgetComponent
&& ((WidgetComponent) obj).getWidget() instanceof Frame) {
((Frame) ((WidgetComponent) obj).getWidget()).setUrl(v);
} else {
Engine.get().renderPanel(v, lc, true);
}
} else if (com instanceof Field) {
Field field = (Field) com;
boolean orgFireChange = field.isFireChangeEventOnSetValue(); // 記錄原先設定
field.setFireChangeEventOnSetValue(true);
if (field instanceof DateField) {
DateTimeUtils.setValue((DateField) field, value + "");
} else if (field instanceof gkTimeField) {
((gkTimeField) field).setTimeValue(value + "");
} else if (field instanceof gkComboBox && value instanceof Map
&& ((ComboBox) com).getStore().getCount() == 0) {
// 適用於下拉選單是動態產生未點擊時可直接設定當前的text:value的情境，將map
// add到store中並setValue
ComboBox combo = (ComboBox) com;
Map data = (Map) value;
combo.getStore().add(new gkMap(data));
combo.getPropertyEditor().setList(combo.getStore().getModels());
field.setValue(value);
} else {
if (value instanceof String) {
field.setValue(field.getPropertyEditor()
.convertStringValue((String) value));
} else {
field.setValue(value);
}
}
field.setFireChangeEventOnSetValue(orgFireChange); // 還原原來設定
} else {
// 如果都找不到合適的，就直接拿Element設定html字串
// 會判別如果有gid屬性，就必須找grid更新ModelData
Element ele = com.getElement();
ele.setInnerHTML((String) value);
// gid對於一般欄位是同層，對於labelField則是上一層
// 所以當拿不到gid就試著找上一層取得gid,都拿不到gid
// 就不用處理Grid store儲存問題
String gid = ele.getAttribute("gid");
if (gid == null || gid.equals("")) {
gid = ele.getParentElement().getAttribute("gid");
}
Component g = ComponentManager.get().get(gid);
if (g instanceof Grid) {
// 對於cellEditor欄位處理
String[] param = ele.getId().split("_");
if (param.length != 2) {
return;
}
ListStore ds = ((Grid) g).getStore();
String columnName = ((Grid) g).getColumnModel()
.getColumnById(param[0]).getDataIndex();
int rowIdx = Integer.parseInt(param[1]);
ModelData md = (ModelData) ds.getModels().get(rowIdx);
md.set(columnName, value);
StoreEvent evt = new StoreEvent(ds);
evt.setModel(md);
evt.setOperation(RecordUpdate.EDIT);
ds.fireEvent(Store.Update, evt);
// 設定cellEditor 編輯狀態下，欄位的顯示資料
Component editorField = ComponentUtils.findComponent(param[0]);
if (editorField instanceof Field) {
((Field) editorField).setValue(value);
}
}
}
}
}