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DevDataListExt.java
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DevDataListExt.java
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package dev.adapter;
import java.util.LinkedHashMap;
import java.util.List;
import dev.base.DevPage;
import dev.base.multiselect.IMultiSelectEdit;
/**
* detail: DataManager List Extend
* @author Ttt
* <pre>
* 在 {@link DevDataList} 基础上添加 {@link DevDataAdapterExt2} 功能
* </pre>
*/
public abstract class DevDataListExt<T>
extends DevDataList<T>
implements IMultiSelectEdit<DevDataListExt<T>> {
public DevDataListExt() {
}
public DevDataListExt(DevPage.PageConfig pageConfig) {
super(pageConfig);
}
public DevDataListExt(
int page,
int pageSize
) {
super(page, pageSize);
}
public DevDataListExt(DevPage<T> page) {
super(page);
}
// ======================
// = DevDataAdapterExt2 =
// ======================
// =============
// = 对外公开方法 =
// =============
// 是否通知适配器 ( 通用: 如多选操作后是否通知适配器 )
protected boolean mNotifyAdapter = true;
/**
* 是否通知适配器 ( 通用: 如多选操作后是否通知适配器 )
* @return {@code true} yes, {@code false} no
*/
public boolean isNotifyAdapter() {
return mNotifyAdapter;
}
/**
* 设置是否通知适配器 ( 通用: 如多选操作后是否通知适配器 )
* @param notifyAdapter {@code true} yes, {@code false} no
* @return {@link DevDataListExt}
*/
public DevDataListExt<T> setNotifyAdapter(boolean notifyAdapter) {
mNotifyAdapter = notifyAdapter;
return this;
}
// ====================
// = IMultiSelectEdit =
// ====================
// 是否编辑状态
protected boolean mEdit;
@Override
public boolean isEditState() {
return mEdit;
}
@Override
public DevDataListExt<T> setEditState(boolean isEdit) {
this.mEdit = isEdit;
if (mNotifyAdapter) mAssist.notifyDataChanged();
return this;
}
@Override
public DevDataListExt<T> toggleEditState() {
return setEditState(!mEdit);
}
@Override
public DevDataListExt<T> clearSelectAll() {
mMultiSelectMap.clearSelects();
if (mNotifyAdapter) mAssist.notifyDataChanged();
return this;
}
@Override
public boolean isSelectAll() {
int size = mMultiSelectMap.getSelectSize();
if (size == 0) return false;
return getItemCount() == size;
}
@Override
public boolean isSelect() {
return mMultiSelectMap.isSelect();
}
@Override
public boolean isNotSelect() {
return !mMultiSelectMap.isSelect();
}
@Override
public int getSelectSize() {
return mMultiSelectMap.getSelectSize();
}
@Override
public int getDataCount() {
return getItemCount();
}
// =
@Override
public DevDataListExt<T> selectAll() {
LinkedHashMap<String, T> maps = new LinkedHashMap<>();
for (int i = 0, len = getDataCount(); i < len; i++) {
T item = getDataItem(i);
maps.put(getMultiSelectKey(item, i), item);
}
mMultiSelectMap.putSelects(maps);
if (mNotifyAdapter) mAssist.notifyDataChanged();
return this;
}
@Override
public DevDataListExt<T> inverseSelect() {
if (isNotSelect()) return selectAll();
List<String> keys = mMultiSelectMap.getSelectKeys();
LinkedHashMap<String, T> maps = new LinkedHashMap<>();
for (int i = 0, len = getDataCount(); i < len; i++) {
T item = getDataItem(i);
maps.put(getMultiSelectKey(item, i), item);
}
mMultiSelectMap.putSelects(maps);
for (String key : keys) {
mMultiSelectMap.unselect(key);
}
if (mNotifyAdapter) mAssist.notifyDataChanged();
return this;
}
// =
/**
* 获取多选标记 Key
* <pre>
* 用于 {@link #selectAll()}、{@link #inverseSelect()}
* </pre>
* @param item 泛型实体类 Item
* @param position 索引
* @return 多选标记 Key
*/
public abstract String getMultiSelectKey(
T item,
int position
);
}