3、搜索功能下拉弹出框
package com.view.control.select; import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List; import log.HikLog; import org.apache.commons.lang3.StringUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import com.global.constant.Constants;
import com.util.CollectionUtil;
import com.util.FileUtil;
import com.util.StringUtil;
import com.view.control.DefinedSearchText;
import com.view.control.ImageViewer;
import com.view.swt.SWTResourceManager;
import com.view.swt.SWTUtil; /**
* <p>带有搜索内容的下拉框</p>
* @version V1.0
*/
public abstract class SearchDropDown<T> extends DropDownBox<T> {
private static final Logger log = LoggerFactory.getLogger(SearchDropDown.class);
/***搜索高度****/
protected int searchHeight = 50;
/***搜索默认提示显示****/
protected String defaultMentionHint;
/***搜索框*****/
protected DefinedSearchText<T> searchText;
/****搜索框事件****/
protected DefinedSearchText.SearchTextEvent<T> searchTextEvent;
/***是否异步展示***/
protected boolean asynchronous = false;
/***每页显示条数（异步展示时生效）****/
protected int pagePerNum = 10;
/***当前页数******/
protected int pageNumNow = 0;
/****text文本框的宽度****/
protected int textWidth = 323;
/****text文本框的高度*****/
protected int textHeight = 32;
/***加载区域的高度****/
protected int loadHeight = 20;
protected ScrolledComposite searchScrollContentComposite;
protected List<Object> searchExternalFilterList;
/***初始化不触发搜索事件****/
protected boolean initEmpty = false;
protected boolean finish = false;
protected boolean init = true;
/***总量******/
protected int totalCount;
protected CLabel mentionHint; @Deprecated
public SearchDropDown(Composite parent, List<T> comboDataList, int comboRowWidth,DefinedSearchText.SearchTextEvent<T> searchTextEvent) {
super(parent, comboDataList, comboRowWidth);
this.textWidth = comboRowWidth-20;
this.searchTextEvent = searchTextEvent;
} public SearchDropDown(Composite parent,DefinedSearchText.SearchTextEvent<T> searchTextEvent,int comboRowWidth){
super(parent, new ArrayList<>(), comboRowWidth);
this.textWidth = comboRowWidth-20;
this.searchTextEvent = searchTextEvent;
} @Override
protected void coverComboComposite(){
GridLayout gl_comboComposite = new GridLayout(1,true);
gl_comboComposite.marginHeight = 1;
gl_comboComposite.marginWidth = 1;
gl_comboComposite.marginBottom = 5;
gl_comboComposite.verticalSpacing = 0;
comboComposite.setLayout(gl_comboComposite);
comboComposite.setSize(this.comboRowWidth + 2, 40 + searchHeight); generateSearchCompoiste(comboComposite);
} /**
* 绘制内容区域
* @param comboComposite
*/
protected void generateSearchCompoiste(Composite comboComposite) {
// 绘制搜索框
Composite searchComposite = new Composite(comboComposite, SWT.NONE);
searchComposite.setBackground(SWTResourceManager.getWhiteColor());
GridData gd_searchComposite = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
searchComposite.setLayoutData(gd_searchComposite);
GridLayout gl_searchComposite = new GridLayout(1, true);
gl_searchComposite.marginWidth = 10;
gl_searchComposite.marginHeight = 10;
gl_searchComposite.verticalSpacing = 0;
gl_searchComposite.horizontalSpacing = 0;
searchComposite.setLayout(gl_searchComposite);
searchText = new DefinedSearchText<T>(searchComposite, searchTextEvent, textWidth, textHeight);
if (asynchronous) {
searchText.setPagePerNum(pagePerNum);
searchText.setPageNumNow(pageNumNow);
}
searchText.paint(); mentionHint = new CLabel(searchComposite,SWT.NONE);
GridData gd_mentionHint = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
mentionHint.setLayoutData(gd_mentionHint);
mentionHint.setBackground(SWTResourceManager.getWhiteColor());
mentionHint.setForeground(SWTResourceManager.getColor(204,204,204));
if(StringUtil.isNotNullAndEmpty(defaultMentionHint)){
mentionHint.setText(defaultMentionHint);
}
searchComposite.layout(true); // 绘制内容区域
searchScrollContentComposite = new ScrolledComposite(comboComposite, SWT.V_SCROLL);
searchScrollContentComposite.setExpandHorizontal(true);
searchScrollContentComposite.setExpandVertical(true);
searchScrollContentComposite.setBackground(SWTResourceManager.getWhiteColor());
GridData gd_searchScrollContentComposite = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
searchScrollContentComposite.setLayoutData(gd_searchScrollContentComposite);
generateSearchContentComposite();
} /**
* 显示默认提示*/
protected void showNormalMention(){
SWTUtil.changeBorderToNormal(searchText.getContentText().getContentText());
if(StringUtil.isNotNullAndEmpty(defaultMentionHint)){
mentionHint.setForeground(SWTResourceManager.getColor(200,200,200));
mentionHint.setText(defaultMentionHint);
}else{
mentionHint.setText(StringUtils.EMPTY);
}
} /**
* 显示错误信息
* @param errorText
*/
protected void showErrorMention(String errorText){
SWTUtil.changeBorderToRed(searchText.getContentText().getContentText());
mentionHint.setText(errorText);
mentionHint.setForeground(SWTResourceManager.getColor(SWT.COLOR_RED));
} /**
* 生成搜索区域内容composite*/
private void generateSearchContentComposite() {
Composite searchContentComposite = new Composite(searchScrollContentComposite,SWT.NONE);
searchScrollContentComposite.setContent(searchContentComposite);
searchContentComposite.setBackground(SWTResourceManager.getWhiteColor());
GridLayout gl_searchContentComposite = new GridLayout(1, true);
gl_searchContentComposite.marginWidth = 10;
gl_searchContentComposite.marginHeight = 0;
gl_searchContentComposite.verticalSpacing = 0;
gl_searchContentComposite.horizontalSpacing = 0;
searchContentComposite.setLayout(gl_searchContentComposite); //绘制内容区域
comboConenetComposite = new Composite(searchContentComposite,SWT.NONE);
comboConenetComposite.setBackground(SWTResourceManager.getWhiteColor());
GridData gd_contentComposite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1);
comboConenetComposite.setLayoutData(gd_contentComposite);
GridLayout gl_comboConenetComposite = new GridLayout(1,true);
gl_comboConenetComposite.horizontalSpacing = 0;
gl_comboConenetComposite.verticalSpacing = 0;
gl_comboConenetComposite.marginHeight = 0;
gl_comboConenetComposite.marginWidth = 0;
comboConenetComposite.setLayout(gl_comboConenetComposite);
searchScrollContentComposite.setData("searchComposite", comboConenetComposite); //绘制加载区域
if(asynchronous){
CLabel loadLabel = new CLabel(searchContentComposite,SWT.NONE);
loadLabel.setBackground(SWTResourceManager.getWhiteColor());
GridData gd_loadComposite = new GridData(SWT.CENTER,SWT.CENTER,true,false,1,1);
gd_loadComposite.minimumHeight = loadHeight;
gd_loadComposite.heightHint = loadHeight;
gd_loadComposite.exclude = true;
loadLabel.setLayoutData(gd_loadComposite);
loadLabel.setVisible(false);
searchScrollContentComposite.setData("load", loadLabel);
} if (!this.asynchronous) {
// generateNoPageContent();
}else if(null != searchTextEvent){
//获取第一页内容，同时为滚动条添加滚动加载事件
// generatePageContent(true);
searchScrollContentComposite.getVerticalBar().addListener(SWT.Selection, new Listener(){
@Override
public void handleEvent(Event event) {
//滚动事件
if(!finish){
generatePageContent(false);
}
}
});
}else{
log.error(HikLog.toLog("", "no defined search event"));
}
} /**
* 非异步加载数据时，后台查询数据，前台需要显示正在加载中*/
private void generateNoPageLoadContent(){
Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite");
for(Control control:searchContentComposite.getChildren()){
control.dispose();
}
searchScrollContentComposite.setMinSize(0, 0);
Composite loadComposite = new Composite(searchContentComposite,SWT.NONE);
GridData gd_loadCompositel = new GridData(SWT.FILL,SWT.FILL,true,true,1,1);
loadComposite.setLayoutData(gd_loadCompositel);
GridLayout gl_loadComposite = new GridLayout(2,false);
gl_loadComposite.marginHeight = 0;
gl_loadComposite.marginWidth = 0;
loadComposite.setLayout(gl_loadComposite);
loadComposite.setBackground(SWTResourceManager.getWhiteColor()); CLabel mentionLabel = new CLabel(loadComposite,SWT.NONE);
GridData gd_mentionLabel = new GridData(SWT.RIGHT,SWT.CENTER,true,true,1,1);
mentionLabel.setLayoutData(gd_mentionLabel);
mentionLabel.setText("正在加载数据");
mentionLabel.setBackground(SWTResourceManager.getWhiteColor());
ImageViewer ic = new ImageViewer(loadComposite);
GridData gd_ic = new GridData(SWT.LEFT,SWT.CENTER,false,false,1,1);
gd_ic.widthHint = 24;
gd_ic.heightHint = 24;
ic.setLayoutData(gd_ic);
ImageLoader loader = new ImageLoader();
ImageData[] imageDatas = loader.load(FileUtil.loadResourceFileAsStream(Constants.INSTALLING_IMG));
ic.setImages(imageDatas, loader.repeatCount);
ic.pack();
loadComposite.layout(true);
} private void generatePageContent(boolean init){
this.init = init;
this.searchText.setSearchExternalFilterList(searchExternalFilterList);
searchText.notifyMousedownEvent();
} /**
* 获取到数据之后的后续处理*/
protected void afterSearchClick(Event searchTextEvent,List<T> searchData){
boolean append = false;
if(asynchronous){
append = true;
}
if(searchTextEvent.button == 1){
Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite");
for(Control control:searchContentComposite.getChildren()){
control.dispose();
}
this.comboDataList.clear();
searchScrollContentComposite.setMinSize(0, 0);
totalCount = 0;
}
if(CollectionUtil.isNotEmpty(searchData)){
totalCount += searchData.size();
}
generateComboContent(append,searchData);
this.init = false;
} /**
* 分页加载显示*/
private void generatePageLoadContent(){
CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load");
GridData gd_loadLabel = (GridData)loadLabel.getLayoutData();
gd_loadLabel.exclude = false;
loadLabel.setText("加载中...");
loadLabel.setVisible(true);
loadLabel.getParent().layout(true);
} /**
* 点击搜索按钮之前的加载呈现内容*/
protected void beforeSearchClick(Event event){
if(init || event.button == 1){
searchText.setSearchExternalFilterList(searchExternalFilterList);
} if(this.asynchronous){
if(init || event.button == 1){ //event.button == 1 表示是点击了搜索按钮
pageNumNow = 0;
Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite");
for(Control control:searchContentComposite.getChildren()){
control.dispose();
}
searchScrollContentComposite.setMinSize(0, 0);
this.comboDataList.clear();
}
pageNumNow++;
searchText.setPageNumNow(pageNumNow);
finish = false;
generatePageLoadContent();
}else{
searchText.setPagePerNum(Integer.MAX_VALUE);
generateNoPageLoadContent();
}
} /**
* 在已有数据情况下绘制内容区域(将当前数据全部清空，形成新的下拉数据)
* @param append 是否是追加显示*/
protected void generateComboContent(boolean append,List<T> dataList){
if(searchScrollContentComposite.isDisposed()){
return;
}
Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite");
if(null == this.comboDataList){
this.comboDataList = new ArrayList<>();
}
if(!append){
for(Control control:searchContentComposite.getChildren()){
control.dispose();
}
this.comboDataList.clear();
searchScrollContentComposite.setMinSize(0, 0);
}
if (CollectionUtil.isNotEmpty(dataList)) {
for (T data : dataList) {
generateComboItem(data);
}
this.comboDataList.addAll(dataList);
if (this.comboDataList.size() <= 8) {
comboComposite.setSize(this.comboRowWidth + 2, this.comboRowHeight * this.comboDataList.size() + 40 + searchHeight);
} else {
comboComposite.setSize(this.comboRowWidth + 2, this.comboRowHeight * 8 + 40 + searchHeight);
}
searchScrollContentComposite.setMinSize(this.comboRowWidth + 2,this.comboRowHeight * this.comboDataList.size());
if(append){
CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load");
GridData gd_loadLabel = (GridData)loadLabel.getLayoutData();
gd_loadLabel.exclude = true;
loadLabel.setVisible(false);
}
}else if(!append){ //形成待更新内容
generateNoContentMentionComposite(searchContentComposite,this.getFilterContent(),this.comboRowWidth-30);
comboComposite.setSize(this.comboRowWidth + 2, 70 + searchHeight);
}else{ //异步加载数据的情况
if(CollectionUtil.isEmpty(this.comboDataList)){
generateNoContentMentionComposite(searchContentComposite,this.getFilterContent(),this.comboRowWidth-30);
CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load");
GridData gd_loadLabel = (GridData)loadLabel.getLayoutData();
gd_loadLabel.exclude = true;
loadLabel.setVisible(false);
finish = true;
comboComposite.setSize(this.comboRowWidth + 2, 70 + searchHeight);
}else if(CollectionUtil.isEmpty(dataList)){
CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load");
GridData gd_loadLabel = (GridData)loadLabel.getLayoutData();
gd_loadLabel.exclude = false;
loadLabel.setText("无更多数据");
loadLabel.setVisible(true);
finish = true;
}
}
relayoutScrollComposite();
} /**
* 重新绘制左侧滚动区域*/
private void relayoutScrollComposite(){
Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite");
searchContentComposite.layout(true);
Composite scrollContentComposite = searchContentComposite.getParent();
scrollContentComposite.layout(true);
searchScrollContentComposite.setMinSize(scrollContentComposite.computeSize(SWT.DEFAULT,SWT.DEFAULT));
} protected abstract void generateNoContentMentionComposite(Composite searchContentComposite,String searchContent,int width); public int getSearchHeight() {
return searchHeight;
} public void setSearchHeight(int searchHeight) {
this.searchHeight = searchHeight;
} public boolean isAsynchronous() {
return asynchronous;
} public void setAsynchronous(boolean asynchronous) {
this.asynchronous = asynchronous;
} public int getPagePerNum() {
return pagePerNum;
} public void setPagePerNum(int pagePerNum) {
this.pagePerNum = pagePerNum;
} public int getTextWidth() {
return textWidth;
} public void setTextWidth(int textWidth) {
this.textWidth = textWidth;
} public int getTextHeight() {
return textHeight;
} public void setTextHeight(int textHeight) {
this.textHeight = textHeight;
} public void setDefaultMentionHint(String defaultMentionHint) {
this.defaultMentionHint = defaultMentionHint;
} public void setSearchTextEvent(DefinedSearchText.SearchTextEvent<T> searchTextEvent) {
this.searchTextEvent = searchTextEvent;
} public void setLoadHeight(int loadHeight) {
this.loadHeight = loadHeight;
} public List<Object> getSearchExternalFilterList() {
return searchExternalFilterList;
} /**
* 添加过滤条件，条件的先后顺序需要用户自己控制*/
public void addSearchExternalFilter(Object filter){
if(null == searchExternalFilterList){
searchExternalFilterList = new LinkedList<Object>();
}
searchExternalFilterList.add(filter);
} public boolean replaceSearchExternalFilter(Object filter,int index){
if(null == searchExternalFilterList){
searchExternalFilterList = new LinkedList<Object>();
}
if(searchExternalFilterList.size() == 0 && index == 0){
searchExternalFilterList.add(filter);
return true;
}
if(index > searchExternalFilterList.size()-1){
log.error(HikLog.toLog("", "index > searchExternalFilterList.size()", "index","searchExternalFilterList.size()"),index,searchExternalFilterList.size());
return false;
}
if(index<0){
log.error(HikLog.toLog("", "index < 0", "index"),index);
return false;
}
searchExternalFilterList.remove(index);
searchExternalFilterList.add(index, filter);
return true;
} /**
* 触发搜索，同时更换下拉框中的内容*/
public void notifySearch(){
this.init = true;
this.searchText.notifyMousedownEvent();
} /**
* 触发滚动条的下拉异步加载事件*/
public void notifyScrollSearch(){
if(this.asynchronous && !this.finish){
generatePageContent(false);
}
} public boolean isInitEmpty() {
return initEmpty;
} public void setInitEmpty(boolean initEmpty) {
this.initEmpty = initEmpty;
} /**
* 获取要搜索的内容
* @return
*/
protected String getFilterContent(){
return (String)this.searchText.getValue();
} protected int getTotalCount() {
return totalCount;
}
}
SearchDropDown.java 带搜索功能的通用下拉框，继承 DropDown.java。该搜索框搜索出的内容可以是在已查出所有数据基础上进行搜索，也可以是异步的分页搜索。
3.1 带搜索功能的单选下拉框
package com.view.control.select; import java.util.List; import log.HikLog; import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import com.util.StringUtil;
import com.view.control.DefinedSearchText;
import com.view.control.select.DefinedCommonSingleSelect.DefinedCommonSingleSelectEvent;
import com.view.swt.StyleTextLink; /**
* <p>下拉单选带搜索功能</p>
* @version V1.0
*/
public class DefinedSearchSingleSelect extends SearchDropDown<DropDownBox.Data> {
private static final Logger log = LoggerFactory.getLogger(DefinedSearchSingleSelect.class);
private DefinedCommonSingleSelect commonSingleSelect;
private StyleTextLink.StyleTextLinkEvent linkEvent;
private String noContentMention = "您可以更新获取选型数据后再进行查询";
private String linkText = "更新";
private SearchSingleSelectEvent searchEvent; public DefinedSearchSingleSelect(Composite parent, SearchSingleSelectEvent searchEvent,int comboWidth) {
super(parent, null, comboWidth);
commonSingleSelect = new DefinedCommonSingleSelect(parent, this);
commonSingleSelect.setComboWidth(comboWidth);
this.searchEvent = searchEvent;
} public DefinedSearchSingleSelect(Composite parent, SearchSingleSelectEvent searchEvent,int comboWidth,
int comboHeight,boolean showValue) {
super(parent, null, comboWidth);
commonSingleSelect = new DefinedCommonSingleSelect(parent, this);
commonSingleSelect.setComboWidth(comboWidth);
commonSingleSelect.setComboHeight(comboHeight);
commonSingleSelect.setShowValue(showValue);
this.searchEvent = searchEvent;
this.showValue = showValue;
} @Override
public void paint() {
searchTextEvent = new DefinedSearchText.SearchTextEvent<DropDownBox.Data>(){
@Override
public DefinedSearchText.SearchPageResult<Data> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters) {
if(null != searchEvent){
return searchEvent.search(event, searchKeys, pageNum, pagePerNum, filters);
}else{
log.error(HikLog.toLog("", "no searchTextEvent"));
return null;
}
} @Override
public boolean beforeEvent(Event event,String searchKey) {
if(null != searchEvent){
String verifyMsg = searchEvent.verifySearchContent(searchKey);
if(StringUtil.isNotNullAndEmpty(verifyMsg)){ //校验不通过
showErrorMention(verifyMsg);
return false;
}else{ //校验通过
showNormalMention();
}
}
beforeSearchClick(event);
return true;
} @Override
public void afterEvent(Event event, List<Data> dataList) {
afterSearchClick(event,dataList);
}
};
commonSingleSelect.paint();
} @Override
protected void comboPaint(){
super.comboPaint();
if(!this.initEmpty){
super.notifySearch();
}
} @Override
protected void generateComboItemComposite(Data data, Composite itemComposite) {
commonSingleSelect.generateComboItemComposite(data, itemComposite);
} public String getValue() {
return commonSingleSelect.getValue();
} /**
* 清除当前选择*/
public void clearValue() {
commonSingleSelect.clearValue();
} public int getComboWidth() {
return commonSingleSelect.getComboWidth();
} public void setComboWidth(int comboWidth) {
commonSingleSelect.setComboWidth(comboWidth);
} public int getComboHeight() {
return commonSingleSelect.getComboHeight();
} public void setComboHeight(int comboHeight) {
commonSingleSelect.setComboHeight(comboHeight);
} public DropDownBox.Data getDefaultValue() {
return commonSingleSelect.getDefaultValue();
} public void setDefaultValue(DropDownBox.Data defaultValue) {
commonSingleSelect.setDefaultValue(defaultValue);
} public void setDefaultValue(String defaultValue) {
commonSingleSelect.setDefaultValue(defaultValue);
} public CLabel getContentText() {
return commonSingleSelect.getContentText();
} public Label getImg() {
return commonSingleSelect.getImg();
} public Composite getContentComposite() {
return commonSingleSelect.getContentComposite();
} /**
* 设置下拉框是否是可用状态
* @param enable
*/
public void setEnabel(boolean enable) {
commonSingleSelect.setEnabel(enable);
} public void setDropdownBeforeEvent(DefinedCommonSingleSelectEvent dropdownBeforeEvent) {
commonSingleSelect.setDropdownBeforeEvent(dropdownBeforeEvent);
} public interface SearchSingleSelectEvent{
public DefinedSearchText.SearchPageResult<Data> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters);
/**
* 校验输入的搜索条件是否正确
* @param searchKey
* @return
*/
public String verifySearchContent(String searchKey);
} @Override
protected void generateNoContentMentionComposite(Composite searchContentComposite, String searchContent, int width) {
StyledText styledText = new StyledText(searchContentComposite,SWT.WRAP|SWT.MULTI);
styledText.setText(StringUtil.isNotNullAndEmpty(searchContent)?"未找到与"+searchContent+"相关的内容,"+noContentMention:"暂无数据，"+noContentMention);
GridData gd_styledText = new GridData(SWT.CENTER,SWT.CENTER,true,true,1,1);
gd_styledText.widthHint = width;
styledText.setLayoutData(gd_styledText);
styledText.setEditable(false);
StyleTextLink link = new StyleTextLink(linkEvent,styledText);
link.ReplaceLink(linkText);
searchContentComposite.layout(true);
} public void setLinkEvent(StyleTextLink.StyleTextLinkEvent linkEvent) {
this.linkEvent = linkEvent;
}
}
DefinedSearchSingleSelect.java （搜索框+下拉框），当搜索不到关键项时，可以给出提示，并链接到别的功能
3.2 带搜索功能的多选框
package com.view.control.select; import java.util.List; import log.HikLog; import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import com.util.StringUtil;
import com.view.control.DefinedSearchText;
import com.view.control.select.DefinedCommonMultiSelect.DefinedCommonMultiSelectEvent;
import com.view.swt.StyleTextLink; public class DefinedSearchMultiSelect extends SearchDropDown<DropDownBox.Data> {
private static final Logger log = LoggerFactory.getLogger(DefinedSearchMultiSelect.class);
private DefinedCommonMultiSelect commonMultiSelect;
private StyleTextLink.StyleTextLinkEvent linkEvent;
private String noContentMention = "您可以更新获取选型数据后再进行查询";
private String linkText = "更新";
private SearchMultiSelectEvent searchEvent; public DefinedSearchMultiSelect(Composite parent, SearchMultiSelectEvent searchEvent, int comboRowWidth) {
super(parent, null, comboRowWidth);
commonMultiSelect = new DefinedCommonMultiSelect(parent, this);
commonMultiSelect.setChooseWidth(comboRowWidth);
this.searchEvent = searchEvent;
} public DefinedSearchMultiSelect(Composite parent, SearchMultiSelectEvent searchEvent, int chooseWidth,
int chooseItemHeight) {
super(parent, null, chooseWidth);
commonMultiSelect = new DefinedCommonMultiSelect(parent, this);
commonMultiSelect.setChooseWidth(chooseWidth);
commonMultiSelect.setChooseItemHeight(chooseItemHeight);
this.searchEvent = searchEvent;
} public void paint(){
searchTextEvent = new DefinedSearchText.SearchTextEvent<DropDownBox.Data>(){
@Override
public DefinedSearchText.SearchPageResult<Data> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters) {
if(null != searchEvent){
return searchEvent.search(event, searchKeys, pageNum, pagePerNum, filters);
}else{
log.error(HikLog.toLog("", "no searchTextEvent"));
return null;
}
} @Override
public boolean beforeEvent(Event event,String searchKey) {
if(null != searchEvent){
String verifyMsg = searchEvent.verifySearchContent(searchKey);
if(StringUtil.isNotNullAndEmpty(verifyMsg)){ //校验不通过
showErrorMention(verifyMsg);
return false;
}else{ //校验通过
showNormalMention();
}
}
beforeSearchClick(event);
return true;
} @Override
public void afterEvent(Event event, List<Data> dataList) {
afterSearchClick(event,dataList);
}
};
commonMultiSelect.paint();
} @Override
protected void comboPaint(){
super.comboPaint();
if(!this.initEmpty){
super.notifySearch();
}
} @Override
protected void generateNoContentMentionComposite(Composite searchContentComposite,String searchContent,int width) {
StyledText styledText = new StyledText(searchContentComposite,SWT.WRAP|SWT.MULTI);
styledText.setText(StringUtil.isNotNullAndEmpty(searchContent)?"未找到与"+searchContent+"相关的内容,"+noContentMention:"暂无数据，"+noContentMention);
GridData gd_styledText = new GridData(SWT.CENTER,SWT.CENTER,true,true,,);
gd_styledText.widthHint = width;
styledText.setLayoutData(gd_styledText);
styledText.setEditable(false);
StyleTextLink link = new StyleTextLink(linkEvent,styledText);
link.ReplaceLink(linkText);
searchContentComposite.layout(true);
} @Override
protected void generateComboItemComposite(Data data, Composite itemComposite) {
commonMultiSelect.generateComboItemComposite(data, itemComposite);
} public void addItemHandlerListener(DefinedCommonMultiSelectEvent itemHandlerListener) {
commonMultiSelect.addItemHandlerListener(itemHandlerListener);
}
public List<Data> getSelectedList() {
return commonMultiSelect.getSelectedList();
} public void setSelectedList(List<Data> selectedList) {
commonMultiSelect.setSelectedList(selectedList);
} public int getChooseWidth() {
return commonMultiSelect.getChooseWidth();
} public void setChooseWidth(int chooseWidth) {
commonMultiSelect.setChooseWidth(chooseWidth);
} public int getChooseItemHeight() {
return commonMultiSelect.getChooseItemHeight();
} public void setChooseItemHeight(int chooseItemHeight) {
commonMultiSelect.setChooseItemHeight(chooseItemHeight);
} public Composite getChoseMaxComposite() {
return commonMultiSelect.getChoseMaxComposite();
} public Composite getChooseComposite() {
return commonMultiSelect.getChooseComposite();
} public void setDefaultValueList(List<DropDownBox.Data> defaultValueList) {
commonMultiSelect.setDefaultValueList(defaultValueList);
} public int getHeight() {
return commonMultiSelect.getHeight();
} public void disposeAllChooseItem() {
commonMultiSelect.disposeAllChooseItem();
} public void setLinkEvent(StyleTextLink.StyleTextLinkEvent linkEvent) {
this.linkEvent = linkEvent;
} public void setNoContentMention(String noContentMention) {
this.noContentMention = noContentMention;
} public void setLinkText(String linkText) {
this.linkText = linkText;
} public interface SearchMultiSelectEvent{
public DefinedSearchText.SearchPageResult<Data> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters);
/**
* 校验输入的搜索条件是否正确
* @param searchKey
* @return
*/
public String verifySearchContent(String searchKey);
}
/**
* 获取选择的值
*/
@SuppressWarnings("unchecked")
public List<DropDownBox.Data> getValue(){
return (List<DropDownBox.Data>) commonMultiSelect.getValue();
}
}
DefinedSearchMultiSelect.java 功能类似3.1
package com.view.swt; import java.util.ArrayList;
import java.util.List; import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Point; import com.util.CollectionUtil; public class StyleTextLink { private List<Point> linkList = new ArrayList<>();
private Color BLUE;// 链接颜色
private StyleTextLinkEvent event;
private StyledText st; public StyleTextLink(StyleTextLinkEvent event, StyledText st) {
this.event = event;
this.st = st;
} public void ReplaceLink(String linkText) {// 给StyleText加链接样式
BLUE = SWTResourceManager.getColor(SWT.COLOR_BLUE);
StringBuffer text = new StringBuffer(st.getText());
int startLink = text.indexOf(linkText);
int offset = 0;
int length = linkText.length();
while (startLink != -1) {// 循环找出文本内所有连接
int endLink = startLink + linkText.length();// 判断结束位置
int start = startLink + offset;
int end = endLink + offset;
Point p = new Point(start, end);
linkList.add(p);
StyleRange style1 = new StyleRange();// 生成链接的样式
style1.start = startLink + offset;// 连接开始坐标
style1.length = length;// 长度
style1.underline = true;// 下划线
style1.foreground = BLUE;// 颜色
style1.underlineStyle = SWT.UNDERLINE_LINK;
st.setStyleRange(style1);
text.delete(startLink, endLink);
int s = text.indexOf(linkText);
offset += endLink - startLink;
startLink = s;
}
if (event != null) {
st.addMouseListener(new MouseAdapter() {// 加入鼠标点击链接监听事件 public void mouseDown(MouseEvent e) {
Point p = new Point(e.x, e.y);// 鼠标按下的坐标
try {
int n = st.getOffsetAtLocation(p);// 找出相对文本的位置
StyleRange style = st.getStyleRangeAtOffset(n);
if (style != null && style.underline
&& style.foreground.equals(SWTResourceManager.getColor(SWT.COLOR_BLUE))) {// 判断样式是否是连接的样式
if (CollectionUtil.isNotEmpty(linkList)) {
for (Point pt : linkList) {
if (pt.x <= n && pt.y >= n) {// 对比坐标位置是否在连接文本范围内
event.linkEvent();
st.getShell().forceFocus();
}
}
}
}
} catch (Exception e1) {
}
}
});
}
} public interface StyleTextLinkEvent {
void linkEvent();
}
}
StyleTextLink.java 呈现搜索框中搜素不到内容的链接
其它下拉框见下章节