因为项目需要自己扩展了一下gxt的日期类，做成一个日历，可往日历当中添加连接
必须要有GXT包，因为本个只是把GXT包中的类代码全复制出来然后改成自己所用的日历
下面是代码
/*
* Ext GWT 2.2.3 - Ext for GWT
* Copyright(c) 2007-2010, Ext JS, LLC.
* [email protected]
*
* http://extjs.com/license
*/
package com.hantek.lms.widget.calendar.client;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.extjs.gxt.ui.client.GXT;
import com.extjs.gxt.ui.client.Style.Direction;
import com.extjs.gxt.ui.client.aria.FocusFrame;
import com.extjs.gxt.ui.client.core.CompositeElement;
import com.extjs.gxt.ui.client.core.CompositeFunction;
import com.extjs.gxt.ui.client.core.El;
import com.extjs.gxt.ui.client.core.XDOM;
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.ComponentEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.FxEvent;
import com.extjs.gxt.ui.client.event.IconButtonEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.fx.FxConfig;
import com.extjs.gxt.ui.client.util.DateWrapper;
import com.extjs.gxt.ui.client.util.KeyNav;
import com.extjs.gxt.ui.client.util.Size;
import com.extjs.gxt.ui.client.util.Util;
import com.extjs.gxt.ui.client.widget.BoxComponent;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.ComponentHelper;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.LocaleInfo;
import com.google.gwt.i18n.client.constants.DateTimeConstants;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
/**
* Simple date picker.
*
* <dl>
* <dt><b>Events:</b></dt>
*
* <dd><b>Select</b> : DatePickerEvent(datePicker, date)<br>
* <div>Fires when a date is selected.</div>
* <ul>
* <li>datePicker : this</li>
* <li>date : the selected date</li>
* </ul>
* </dd>
* </dl>
*
* <dl>
* <dt>Inherited Events:</dt>
* <dd>BoxComponent Move</dd>
* <dd>BoxComponent Resize</dd>
* <dd>Component Enable</dd>
* <dd>Component Disable</dd>
* <dd>Component BeforeHide</dd>
* <dd>Component Hide</dd>
* <dd>Component BeforeShow</dd>
* <dd>Component Show</dd>
* <dd>Component Attach</dd>
* <dd>Component Detach</dd>
* <dd>Component BeforeRender</dd>
* <dd>Component Render</dd>
* <dd>Component BrowserEvent</dd>
* <dd>Component BeforeStateRestore</dd>
* <dd>Component StateRestore</dd>
* <dd>Component BeforeStateSave</dd>
* <dd>Component SaveState</dd>
* </dl>
*/
@SuppressWarnings("deprecation")
public class Calendar extends BoxComponent {
/**
* DatePicker messages.
*/
public class DatePickerMessages {
private String todayText = GXT.MESSAGES.datePicker_todayText();
private String okText = GXT.MESSAGES.datePicker_okText();
private String cancelText = GXT.MESSAGES.datePicker_cancelText();
private String todayTip = GXT.MESSAGES
.datePicker_todayTip(DateTimeFormat.getShortDateFormat()
.format(new Date()));
private String minText = GXT.MESSAGES.datePicker_minText();
private String maxText = GXT.MESSAGES.datePicker_maxText();
private String prevText = GXT.MESSAGES.datePicker_prevText();
private String nextText = GXT.MESSAGES.datePicker_nextText();
private String monthYearText = GXT.MESSAGES.datePicker_monthYearText();
/**
* Sets the text to display on the cancel button.
*
* @return the cancel button text
*/
public String getCancelText() {
return cancelText;
}
/**
* Returns the max text.
*
* @return the max text
*/
public String getMaxText() {
return maxText;
}
/**
* Returns the min text.
*
* @return the min text
*/
public String getMinText() {
return minText;
}
/**
* Returns the month year text.
*
* @return the month year text
*/
public String getMonthYearText() {
return monthYearText;
}
/**
* Returns the next text.
*
* @return the next text
*/
public String getNextText() {
return nextText;
}
/**
* Returns the ok text.
*
* @return the ok text
*/
public String getOkText() {
return okText;
}
/**
* Returns the prev text.
*
* @return the prev text
*/
public String getPrevText() {
return prevText;
}
/**
* Returns the today text.
*
* @return the today text
*/
public String getTodayText() {
return todayText;
}
/**
* Returns the today tip.
*
* @return the tip
*/
public String getTodayTip() {
return todayTip;
}
/**
* Sets the cance text (default to "Cancel").
*
* @param cancelText
* the cancel text
*/
public void setCancelText(String cancelText) {
this.cancelText = cancelText;
}
/**
* Sets the error text to display if the maxDate validation fails
* (defaults to "This date is after the maximum date").
*
* @param maxText
* the max error text
*/
public void setMaxText(String maxText) {
this.maxText = maxText;
}
/**
* Sets the error text to display if the minDate validation fails
* (defaults to "This date is before the minimum date").
*
* @param minText
* the minimum error text
*/
public void setMinText(String minText) {
this.minText = minText;
}
/**
* Sets the header month selector tooltip (defaults to 'Choose a month
* (Control+Up/Down to move years)').
*
* @param monthYearText
* the month year text
*/
public void setMonthYearText(String monthYearText) {
this.monthYearText = monthYearText;
}
/**
* Sets the next month navigation button tooltip (defaults to 'Next
* Month (Control+Right)').
*
* @param nextText
* the next text
*/
public void setNextText(String nextText) {
this.nextText = nextText;
}
/**
* Sets the text to display on the ok button.
*
* @param okText
* the ok text
*/
public void setOkText(String okText) {
this.okText = okText;
}
/**
* Sets the previous month navigation button tooltip (defaults to
* 'Previous Month (Control+Left)').
*
* @param prevText
* the previous text
*/
public void setPrevText(String prevText) {
this.prevText = prevText;
}
/**
* Sets the text to display on the button that selects the current date
* (defaults to "Today").
*
* @param todayText
* the today text
*/
public void setTodayText(String todayText) {
this.todayText = todayText;
}
/**
* Sets the tooltip to display for the button that selects the current
* date (defaults to "{current date} (Spacebar)").
*
* @param todayTip
* the today tool tip
*/
public void setTodayTip(String todayTip) {
this.todayTip = todayTip;
}
}
class Header extends Component {
protected void doAttachChildren() {
ComponentHelper.doAttach(monthBtn);
prevBtn.onAttach();
nextBtn.onAttach();
}
protected void doDetachChildren() {
ComponentHelper.doDetach(monthBtn);
prevBtn.onDetach();
nextBtn.onDetach();
}
@Override
protected void onAttach() {
super.onAttach();
}
@Override
protected void onDetach() {
super.onDetach();
}
@Override
protected void onRender(Element target, int index) {
StringBuffer sb = new StringBuffer();
sb.append("<table width=100% cellpadding=0 cellspacing=0><tr>");
sb
.append("<td class=x-date-left></td><td class=x-date-middle align=center></td>");
sb.append("<td class=x-date-right></td></tr></table>");
setElement(XDOM.create(sb.toString()));
el().insertInto(target, index);
monthBtn = new Button(" ",
new SelectionListener<ButtonEvent>() {
public void componentSelected(ButtonEvent ce) {
showMonthPicker();
}
}) {
@Override
protected void autoWidth() {
if (!GXT.isAriaEnabled()) {
super.autoWidth();
}
}
};
monthBtn.setToolTip(getMessages().getMonthYearText());
monthBtn.render(el().selectNode(".x-date-middle").dom);
monthBtn.el().child("em").addStyleName("x-btn-arrow");
prevBtn = new IconButton("x-date-left-icon",
new SelectionListener<IconButtonEvent>() {
public void componentSelected(IconButtonEvent ce) {
showPrevMonth();
}
});
prevBtn.setToolTip(messages.getPrevText());
prevBtn.render(el().selectNode(".x-date-left").dom);
nextBtn = new IconButton("x-date-right-icon",
new SelectionListener<IconButtonEvent>() {
public void componentSelected(IconButtonEvent ce) {
showNextMonth();
}
});
nextBtn.setToolTip(messages.getNextText());
nextBtn.render(el().selectNode(".x-date-right").dom);
}
}
protected Button todayBtn;
private int firstDOW;
private Date minDate;
private DateWrapper startDate,endDate;
private Date maxDate;
private int startDay = Integer.MIN_VALUE;
private long today;
private int mpyear;
private Grid days, grid;
private Header header;
private com.google.gwt.user.client.ui.HorizontalPanel footer;
private DateWrapper activeDate, value;
private int mpSelMonth, mpSelYear;
private Button monthBtn;
private Element[] cells;
private Element[] textNodes;
private IconButton prevBtn, nextBtn;
private CompositeElement mpMonths, mpYears;
private El monthPicker;
private DateTimeConstants constants;
private DatePickerMessages messages;
private El gridWrapper;
private Map<Date, Map<String, Integer>> gridMap; // 存储日期是属于哪行哪列，自己扩展
public static final String ROW = "row", CELL = "cell";
/**
* 返回日期行跟列的对像
*
* @return
*/
public Map<Date, Map<String, Integer>> getGridMap() {
return gridMap;
}
/**
* Creates a new date picker.
*/
public Calendar() {
baseStyle = "x-date-picker";
messages = new DatePickerMessages();
constants = LocaleInfo.getCurrentLocale().getDateTimeConstants();
setLayoutData(new FitLayout());
}
@Override
public void focus() {
super.focus();
update(activeDate);
}
/**
* Returns the field's maximum allowed date.
*
* @return the max date
*/
public Date getMaxDate() {
return maxDate;
}
/**
* Returns the data picker messages.
*
* @return the date picker messages
*/
public DatePickerMessages getMessages() {
return messages;
}
/**
* Returns the picker's minimum data.
*
* @return the minimum date
*/
public Date getMinDate() {
return minDate;
}
/**
* Returns the picker's start day.
*
* @return the start day
*/
public int getStartDay() {
return startDay;
}
/**
* Gets the current selected value of the date field.
*
* @return the date
*/
public Date getValue() {
return value != null ? value.asDate() : null;
}
@Override
public void onComponentEvent(ComponentEvent ce) {
super.onComponentEvent(ce);
switch (ce.getEventTypeInt()) {
case Event.ONCLICK:
onClick(ce);
break;
case Event.ONMOUSEOVER:
onMouseOver(ce);
break;
case Event.ONMOUSEOUT:
onMouseOut(ce);
break;
case Event.ONFOCUS:
// onFocus(ce);
break;
}
}
/**
* Sets the picker's maximum allowed date.
*
* @param maxDate
* the max date
*/
public void setMaxDate(Date maxDate) {
if (maxDate != null) {
maxDate = new DateWrapper(maxDate).resetTime().asDate();
}
this.maxDate = maxDate;
if (rendered) {
update(value);
}
}
/**
* Sets the data picker messages.
*
* @param messages
* the date picker messages
*/
public void setMessages(DatePickerMessages messages) {
this.messages = messages;
}
/**
* Sets the picker's minimum allowed date.
*
* @param minDate
* the minimum date
*/
public void setMinDate(Date minDate) {
if (minDate != null) {
minDate = new DateWrapper(minDate).resetTime().asDate();
}
this.minDate = minDate;
if (rendered) {
update(value);
}
}
private void setStartDate(DateWrapper startDate){
this.startDate = startDate;
}
public DateWrapper getStartDate(){
return startDate;
}
private void setEndDate(DateWrapper endDate){
this.endDate = endDate;
}
public DateWrapper getEndDate(){
return endDate;
}
/**
* Sets the picker's start day
*
* @param startDay
* the start day
*/
public void setStartDay(int startDay) {
this.startDay = startDay;
}
/**
* Sets the value of the date field.
*
* @param date
* the date
*/
public void setValue(Date date) {
setValue(date, false);
}
/**
* Sets the value of the date field.
*
* @param date
* the date
* @param supressEvent
* true to suppress the select event
*/
public void setValue(Date date, boolean supressEvent) {
this.value = new DateWrapper(date).resetTime();
if (rendered) {
update(value);
}
if (!supressEvent) {
DatePickerEvent de = new DatePickerEvent(this);
de.setDate(date);
fireEvent(Events.Select, de);
}
}
@Override
protected void doAttachChildren() {
super.doAttachChildren();
header.onAttach();
ComponentHelper.doAttach(footer);
ComponentHelper.doAttach(grid);
}
@Override
protected void doDetachChildren() {
super.doDetachChildren();
header.onDetach();
ComponentHelper.doDetach(footer);
ComponentHelper.doDetach(grid);
monthPicker.setVisible(false);
}
protected void onClick(ComponentEvent be) {
be.preventDefault();
El target = be.getTargetEl();
El pn = null;
String cls = target.getStyleName();
if (cls.equals("x-date-left-a")) {
showPrevMonth();
} else if (cls.equals("x-date-right-a")) {
showNextMonth();
}
if ((pn = target.findParent("td.x-date-mp-month", 2)) != null) {
mpMonths.removeStyleName("x-date-mp-sel");
El elem = target.findParent("td.x-date-mp-month", 2);
elem.addStyleName("x-date-mp-sel");
mpSelMonth = pn.dom.getPropertyInt("xmonth");
} else if ((pn = target.findParent("td.x-date-mp-year", 2)) != null) {
mpYears.removeStyleName("x-date-mp-sel");
El elem = target.findParent("td.x-date-mp-year", 2);
elem.addStyleName("x-date-mp-sel");
mpSelYear = pn.dom.getPropertyInt("xyear");
} else if (target.is("button.x-date-mp-ok")) {
DateWrapper d = new DateWrapper(mpSelYear, mpSelMonth, 1);
update(d);
hideMonthPicker();
} else if (target.is("button.x-date-mp-cancel")) {
hideMonthPicker();
} else if (target.is("a.x-date-mp-prev")) {
updateMPYear(mpyear - 10);
} else if (target.is("a.x-date-mp-next")) {
updateMPYear(mpyear + 10);
}
if (GXT.isSafari) {
focus();
}
}
protected void onDayClick(ComponentEvent ce) {
ce.preventDefault();
El target = ce.getTargetEl();
El e = target.findParent("a", 5);
if (e != null) {
String dt = e.dom.getPropertyString("dateValue");
if (dt != null) {
handleDateClick(e, dt);
return;
}
}
}
protected void onFocus(ComponentEvent ce) {
if (GXT.isFocusManagerEnabled()) {
FocusFrame.get().frame(this);
}
update(activeDate);
}
protected void onKeyDown(ComponentEvent ce) {
if (ce.isControlKey()) {
showPreviousYear();
} else {
update(activeDate.addDays(7));
}
}
protected void onKeyEnd(ComponentEvent ce) {
if (ce.isShiftKey()) {
setValue(new DateWrapper(activeDate.getFullYear(), 11, 31).asDate());
} else {
setValue(activeDate.getLastDateOfMonth().asDate());
}
}
protected void onKeyEnter(ComponentEvent ce) {
ce.stopEvent();
setValue(activeDate.asDate());
}
protected void onKeyHome(ComponentEvent ce) {
if (ce.isShiftKey()) {
setValue(new DateWrapper(activeDate.getFullYear(), 0, 1).asDate());
} else {
setValue(activeDate.getFirstDayOfMonth().asDate());
}
}
protected void onKeyLeft(ComponentEvent ce) {
ce.stopEvent();
if (ce.isControlKey()) {
showPrevMonth();
} else {
update(activeDate.addDays(-1));
}
}
protected void onKeyPageDown(ComponentEvent ce) {
if (ce.isShiftKey()) {
setValue(activeDate.addYears(1).asDate());
} else {
setValue(activeDate.addMonths(1).asDate());
}
}
protected void onKeyPageUp(ComponentEvent ce) {
if (ce.isShiftKey()) {
setValue(activeDate.addYears(-1).asDate());
} else {
setValue(activeDate.addMonths(-1).asDate());
}
}
protected void onKeyRight(ComponentEvent ce) {
ce.stopEvent();
if (ce.isControlKey()) {
showNextMonth();
} else {
update(activeDate.addDays(1));
}
}
protected void onKeyUp(ComponentEvent ce) {
ce.stopEvent();
if (ce.isControlKey()) {
showNextYear();
} else {
update(activeDate.addDays(-7));
}
}
public Grid getGrid() {
return grid;
}
@Override
protected void onRender(Element target, int index) {
setElement(DOM.createDiv(), target, index);
disableTextSelection(true);
header = new Header();
header.render(getElement());
days = new Grid(1, 7);
days.setStyleName("x-date-days"); // 这是设置星期头一，二...六，日的那个风格
days.setCellPadding(0);
days.setCellSpacing(0);
days.setBorderWidth(0);
String[] dn = constants.narrowWeekdays();
String[] longdn = constants.weekdays();
firstDOW = startDay != Integer.MIN_VALUE ? startDay : Integer
.parseInt(constants.firstDayOfTheWeek()) - 1;
days.setHTML(0, 0, "<span>" + dn[(0 + firstDOW) % 7] + "</span>");
days.setHTML(0, 1, "<span>" + dn[(1 + firstDOW) % 7] + "</span>");
days.setHTML(0, 2, "<span>" + dn[(2 + firstDOW) % 7] + "</span>");
days.setHTML(0, 3, "<span>" + dn[(3 + firstDOW) % 7] + "</span>");
days.setHTML(0, 4, "<span>" + dn[(4 + firstDOW) % 7] + "</span>");
days.setHTML(0, 5, "<span>" + dn[(5 + firstDOW) % 7] + "</span>");
days.setHTML(0, 6, "<span>" + dn[(6 + firstDOW) % 7] + "</span>");
days.getRowFormatter().getElement(0).setAttribute("role", "row");
for (int i = 0; i < 7; i++) {
days.getCellFormatter().getElement(0, i).setAttribute("role",
"columnheader");
days.getCellFormatter().getElement(0, i).setAttribute("aria-label",
longdn[i]);
}
grid = new Grid(6, 7);
grid.setStyleName("x-date-inner");
grid.setCellSpacing(0);
grid.setCellPadding(0);
grid.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Event evt = DOM.eventGetCurrentEvent();
ComponentEvent be = new ComponentEvent(Calendar.this, evt);
onDayClick(be);
}
});
String s = GXT.isAriaEnabled() ? "<a role=gridcell tabindex=0><span role=presentation></span></a>"
: "<a href=#><span></span></a><br/>";
for (int row = 0; row < 6; row++) {
if (GXT.isAriaEnabled()) {
grid.getRowFormatter().getElement(row).setAttribute("role",
"row");
}
for (int col = 0; col < 7; col++) {
grid.getCellFormatter().getElement(row, col).setAttribute(
"valign", "top"); // 设置居顶
grid.setHTML(row, col, s);
grid.getCellFormatter()
.setHeight(
row,
col,
"71");
if (GXT.isAriaEnabled()) {
grid.getCellFormatter().getElement(row, col).setAttribute(
"role", "presentation");
}
}
}
footer = new com.google.gwt.user.client.ui.HorizontalPanel();
footer.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
footer.setWidth("100%");
todayBtn = new Button(messages.getTodayText(),
new SelectionListener<ButtonEvent>() {
public void componentSelected(ButtonEvent ce) {
selectToday();
}
});
if (messages.getTodayTip() != null) {
todayBtn.setToolTip(messages.getTodayTip());
}
footer.add(todayBtn);
todayBtn.getElement().getParentElement().setClassName("x-date-bottom");
El pickerEl = new El(DOM.createDiv());
pickerEl.dom.getStyle().setPropertyPx("left",
target.getParentElement().getClientWidth() / 2 - 120); // 设置居中显示
monthPicker = pickerEl;
monthPicker.dom.setClassName("x-date-mp");
gridWrapper = new El((Element) Document.get().createElement("DIV"));
gridWrapper.dom.setAttribute("role", "grid");
gridWrapper.appendChild(days.getElement());
gridWrapper.appendChild(grid.getElement());
getElement().appendChild(header.getElement());
getElement().appendChild(gridWrapper.dom);
getElement().appendChild(footer.getElement());
getElement().appendChild(monthPicker.dom);
El btntext = monthBtn.el().selectNode("button");
btntext.setId(XDOM.getUniqueId());
gridWrapper.dom.setAttribute("aria-labelledby", btntext.getId());
// setWidth(177);
setHeight(target.getClientHeight());
cells = Util.toElementArray(el().select("table.x-date-inner tbody td"));
textNodes = Util.toElementArray(el().select(
"table.x-date-inner tbody span"));
activeDate = value != null ? value : new DateWrapper();
update(activeDate);
if (GXT.isAriaEnabled()) {
String[] tags = new String[] { "table", "tbody", "tr", "td" };
for (int i = 0; i < tags.length; i++) {
NodeList<Element> elems = el().select(tags[i]);
for (int j = 0; j < elems.getLength(); j++) {
if (elems.getItem(j).getAttribute("role").equals("")) {
elems.getItem(j).setAttribute("role", "presentation");
}
if (i == 3) {
elems.getItem(j).setId(XDOM.getUniqueId());
}
}
}
}
el().makePositionable();
el().setTabIndex(0);
el().setElementAttribute("hideFocus", "true");
sinkEvents(Event.ONCLICK | Event.MOUSEEVENTS | Event.ONFOCUS);
new KeyNav<ComponentEvent>(this) {
@Override
public void onDown(ComponentEvent ce) {
onKeyDown(ce);
}
@Override
public void onEnd(ComponentEvent ce) {
onKeyEnd(ce);
}
@Override
public void onEnter(ComponentEvent ce) {
onKeyEnter(ce);
}
@Override
public void onHome(ComponentEvent ce) {
onKeyHome(ce);
}
@Override
public void onKeyPress(ComponentEvent ce) {
// space bar pressed
if (ce.getKeyCode() == 32) {
selectToday();
}
}
@Override
public void onLeft(ComponentEvent ce) {
onKeyLeft(ce);
}
@Override
public void onPageDown(ComponentEvent ce) {
onKeyPageDown(ce);
}
@Override
public void onPageUp(ComponentEvent ce) {
onKeyPageUp(ce);
}
@Override
public void onRight(ComponentEvent ce) {
onKeyRight(ce);
}
@Override
public void onUp(ComponentEvent ce) {
onKeyUp(ce);
}
};
}
private void createMonthPicker() {
StringBuffer buf = new StringBuffer();
buf.append("<table border=0 cellspacing=0>");
String[] monthNames = constants.shortMonths();
for (int i = 0; i < 6; i++) {
buf.append("<tr><td class=x-date-mp-month><a href=#>");
buf.append(monthNames[i]);
buf.append("</a></td>");
buf.append("<td class='x-date-mp-month x-date-mp-sep'><a href=#>");
buf.append(monthNames[i + 6]);
buf.append("</a></td>");
if (i == 0) {
buf
.append("<td class=x-date-mp-ybtn align=center><a class=x-date-mp-prev href=#></a></td><td class='x-date-mp-ybtn' align=center><a class='x-date-mp-next'></a></td></tr>");
} else {
buf
.append("<td class='x-date-mp-year'><a href='#'></a></td><td class='x-date-mp-year'><a href='#'></a></td></tr>");
}
}
buf
.append("<tr class=x-date-mp-btns><td colspan='4'><button type='button' class='x-date-mp-ok'>");
buf.append(messages.getOkText());
buf.append("</button><button type=button class=x-date-mp-cancel>");
buf.append(messages.getCancelText());
buf.append("</button></td></tr></table>");
monthPicker.update(buf.toString());
mpMonths = new CompositeElement(Util.toElementArray(monthPicker
.select("td.x-date-mp-month")));
mpYears = new CompositeElement(Util.toElementArray(monthPicker
.select("td.x-date-mp-year")));
mpMonths.each(new CompositeFunction() {
public void doFunction(Element elem, CompositeElement ce, int index) {
index += 1;
if (index % 2 == 0) {
elem.setPropertyInt("xmonth", (int) (5 + (Math
.round(index * .5))));
} else {
elem.setPropertyInt("xmonth", (int) (Math
.round((index - 1) * .5)));
}
}
});
}
private void handleDateClick(El target, String dt) {
String[] tokens = dt.split(",");
int year = Integer.parseInt(tokens[0]);
int month = Integer.parseInt(tokens[1]);
int day = Integer.parseInt(tokens[2]);
Date d = new DateWrapper(year, month, day).asDate();
if (d != null && !target.getParent().hasStyleName("x-date-disabled")) {
setValue(d);
}
}
private void hideMonthPicker() {
monthPicker.slideOut(Direction.UP, new FxConfig(300,
new Listener<FxEvent>() {
public void handleEvent(FxEvent ce) {
monthPicker.setVisible(false);
}
}));
}
private void onm ouseOut(ComponentEvent ce) {
El target = ce.getTarget("td.x-date-active", 3);
if (target == null) {
target = ce.getTarget("td.x-date-nextday", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-prevday", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-mp-month", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-mp-year", 3);
}
if (target != null) {
target.removeStyleName("x-date-active-hover");
}
}
private void onm ouseOver(ComponentEvent ce) {
El target = ce.getTarget("td.x-date-active", 3);
if (target == null) {
target = ce.getTarget("td.x-date-nextday", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-prevday", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-mp-month", 3);
}
if (target == null) {
target = ce.getTarget("td.x-date-mp-year", 3);
}
if (target != null) {
target.addStyleName("x-date-active-hover");
}
}
private void selectToday() {
setValue(new DateWrapper().asDate());
}
private void setCellStyle(Element cell, Date d, long sel, long min, long max) {
long t = d.getTime();
DateWrapper w = new DateWrapper(d);
int year = w.getFullYear();
int month = w.getMonth();
int day = w.getDate();
String dd = year + "," + month + "," + day;
cell.getFirstChildElement().setPropertyString("dateValue", dd);
if (t == today) {
fly(cell).addStyleName("x-date-today");
if (GXT.isAriaEnabled()) {
cell.setAttribute("title", "Today");
}
}
if (t == sel) {
// fly(cell).addStyleName("x-date-selected"); //选择之后设置风格，这里不用
if (GXT.isAriaEnabled()) {
cell.getFirstChildElement().setAttribute("aria-selected",
"true");
if (isAttached()) {
El.fly(cell.getFirstChildElement()).focus();
}
}
} else {
fly(cell).removeStyleName("x-date-selected");
if (GXT.isAriaEnabled()) {
cell.getFirstChildElement().setAttribute("aria-selected",
"false");
}
}
if (t > max || t < min) {
fly(cell).addStyleName("x-date-disabled");
cell.setTitle(messages.getMaxText());
}
}
private void showMonthPicker() {
createMonthPicker();
Size s = el().getSize(true);
s.height -= 2;
monthPicker.setTop(1);
// monthPicker.setSize(s.width, s.height);
monthPicker.setSize(250, 150);
// monthPicker.firstChild().setSize(s.width, s.height, true);
monthPicker.firstChild().setSize(250, 150, true);
mpSelMonth = (activeDate != null ? activeDate : value).getMonth();
updateMPMonth(mpSelMonth);
mpSelYear = (activeDate != null ? activeDate : value).getFullYear();
updateMPYear(mpSelYear);
monthPicker.enableDisplayMode("block");
monthPicker.makePositionable(true);
monthPicker.slideIn(Direction.DOWN, FxConfig.NONE);
}
private void showNextMonth() {
update(activeDate.addMonths(+1));
}
private void showNextYear() {
update(activeDate.addYears(1));
}
private void showPreviousYear() {
update(activeDate.addYears(-1));
}
private void showPrevMonth() {
update(activeDate.addMonths(-1));
}
protected void update(DateWrapper date) {
gridMap = new HashMap<Date, Map<String, Integer>>();
setStartDate(null); //清空日期
setEndDate(null);
DateWrapper vd = activeDate;
activeDate = date;
if (vd != null && el() != null) {
int days = date.getDaysInMonth();
DateWrapper firstOfMonth = date.getFirstDayOfMonth();
int startingPos = firstOfMonth.getDayInWeek() - firstDOW;
if (startingPos <= startDay) {
startingPos += 7;
}
// go to previous month.
DateWrapper pm = activeDate.addMonths(-1);
int prevStart = pm.getDaysInMonth() - startingPos;
days += startingPos;
DateWrapper d = new DateWrapper(pm.getFullYear(), pm.getMonth(),
prevStart).resetTime();
today = new DateWrapper().resetTime().getTime();
long sel = value != null ? value.resetTime().getTime()
: Long.MIN_VALUE;
long min = minDate != null ? new DateWrapper(minDate).getTime()
: Long.MIN_VALUE;
long max = maxDate != null ? new DateWrapper(maxDate).getTime()
: Long.MAX_VALUE;
int i = 0;
int z = 0;
for (; i < startingPos; i++) {
fly(textNodes[i]).update("" + ++prevStart);
d = d.addDays(1);
cells[i].setClassName("x-date-prevday");
if (GXT.isAriaEnabled()) {
cells[i].setAttribute("aria-disabled", "true");
}
setCellStyle(cells[i], d.asDate(), sel, min, max);
// 设置日期
if(getStartDate()==null)
setStartDate(d);
clear(i / 7, i); // 清空状态
setGridMap(d, prevStart, i / 7, i); // 存储哪天对应哪行哪列
}
z = i;
for (; i < days; i++) {
int intDay = i - startingPos + 1;
fly(textNodes[i]).update("" + intDay);
d = d.addDays(1);
cells[i].setClassName("x-date-active");
setCellStyle(cells[i], d.asDate(), sel, min, max);
// 设置日期
if(getStartDate()==null)
setStartDate(d);
setEndDate(d);
clear(i / 7, z); // 清空状态
setGridMap(d, i - startingPos + 1, i / 7, z); // 存储哪天对应哪行哪列
z = z + 1 > 6 ? 0 : ++z;
}
int extraDays = 0;
for (; i < 42; i++) {
fly(textNodes[i]).update("" + ++extraDays);
d = d.addDays(1);
cells[i].setClassName("x-date-nextday");
if (GXT.isAriaEnabled()) {
cells[i].setAttribute("aria-disabled", "true");
}
setCellStyle(cells[i], d.asDate(), sel, min, max);
// 设置日期
setEndDate(d);
clear(i / 7, z); // 清空状态
setGridMap(d, extraDays + 1, i / 7, z); // 存储哪天对应哪行哪列
z = z + 1 > 6 ? 0 : ++z;
}
int month = activeDate.getMonth();
String t = constants.standaloneMonths()[month] + " "
+ activeDate.getFullYear();
monthBtn.setText(t);
}
}
/**
* 清空数据
*/
private void clear(Integer row, Integer cell) {
Element element = getGrid().getCellFormatter().getElement(row, cell);
if (element.getInnerHTML().indexOf("<div") > 0) {
String html = element.getInnerHTML().substring(0,
element.getInnerHTML().indexOf("<div"));
element.setInnerHTML(html);
}
}
/**
* 给哪一行哪一列中添数据
*
* @param date
* 日期，格式为[yyyy-mm-dd]
* @param url
* 连接地址
* @param text
* 文本信息
*/
public void addWiget(Date date, String url, String text) {
if (getGridMap().get(date) == null)
return;
Element element = getGrid().getCellFormatter().getElement(
getGridMap().get(date).get(Calendar.ROW),
getGridMap().get(date).get(Calendar.CELL));
element.removeClassName("x-date-today");
String href = "<div style=\"width:100px;height:20px;float:right;overflow: hidden; text-overflow:ellipsis;white-space: nowrap;\" onclick=\"javascript:self.location='"+url+"';\" title='"+text+"'><NOBR>" + text + "</NOBR></div>";
String html = element.getInnerHTML();
if (html.toLowerCase().indexOf("<a href=\"\"></a></div>") <= 0||html.toLowerCase().indexOf("</span></a><br>") >= 0) { // 如果没有创建空的
// 创建空的
html = "<div style=\"width:100%\"><a href=#><span>" + element.getInnerText()
+ "</span></a></div><div style=\"height:51px;overflow-y: auto;\"><a href=\"\"></a></div>";
}
html = html.substring(0, html.toLowerCase().indexOf("<a href=\"\"></a></div>"))
+ href + "<a href=\"\"></a></div>";
element.setInnerHTML(html);
}
/**
* 存储哪天对应哪行哪列
*
* @param d
* 日期
* @param day
* 天
* @param row
* 行
* @param cell
* 列
*/
private void setGridMap(DateWrapper d, Integer day, Integer row,
Integer cell) {
// 存储哪天对应哪行哪列
Date key = new Date(d.getFullYear()-1900, d.getMonth() + 1, day); // 获得天，这里月它是从0开始算的，所以要+1
Map<String, Integer> value = new HashMap<String, Integer>();
value.put(ROW, row); // 存储行
value.put(CELL, cell); // 存储列
gridMap.put(key, value);
}
private void updateMPMonth(int month) {
for (int i = 0; i < mpMonths.getCount(); i++) {
Element elem = mpMonths.item(i);
int xmonth = elem.getPropertyInt("xmonth");
fly(elem).setStyleName("x-date-mp-sel", xmonth == month);
}
}
private void updateMPYear(int year) {
mpyear = year;
for (int i = 1; i <= 10; i++) {
El td = new El(mpYears.item(i - 1));
int y2;
if (i % 2 == 0) {
y2 = (int) (year + (Math.round(i * .5)));
} else {
y2 = (int) (year - (5 - Math.round(i * .5)));
}
td.firstChild().update("" + y2);
td.dom.setPropertyInt("xyear", y2);
td.setStyleName("x-date-mp-sel", y2 == mpSelYear);
}
}
class IconButton extends com.extjs.gxt.ui.client.widget.button.IconButton {
public IconButton(String style,
SelectionListener<IconButtonEvent> listener) {
super(style, listener);
}
@Override
protected void onAttach() {
// TODO Auto-generated method stub
super.onAttach();
}
@Override
protected void onDetach() {
super.onDetach();
}
}
class DatePickerEvent extends ComponentEvent {
private Calendar datePicker;
private Date date;
public DatePickerEvent(Calendar datePicker) {
super(datePicker);
this.datePicker = datePicker;
}
/**
* Returns the source date picker.
*
* @return the date picker
*/
public Calendar getDatePicker() {
return datePicker;
}
/**
* Returns the date.
*
* @return the date
*/
public Date getDate() {
return date;
}
/**
* Sets the date.
*
* @param date
* the date
*/
public void setDate(Date date) {
this.date = date;
}
}
}下面这是做的测试类，可根据下面例子自己添加，这里时间是到天，不能有小时分秒，因为只是往每天当前设置信息
public class TestCalendar extends Calendar {
@Override
protected void onRender(Element target, int index) {
super.onRender(target, index);
}
@Override
protected void update(DateWrapper date) {
super.update(date);
mask(GXT.MESSAGES.loadMask_msg());
addWiget(new Date("2011-01-01"),"http://www.163.com","标题");
addWiget(new Date("2011-01-01"),"http://www.163.com","标题1");
addWiget(new Date("2011-01-02"),"http://www.163.com","标题2");
}
}