164 lines
3.5 KiB
C++
164 lines
3.5 KiB
C++
#include "JsonTreeItem.h"
|
||
|
||
JsonTreeItem::JsonTreeItem(JsonTreeItem *parent)
|
||
:theParentItem(parent)
|
||
,theItemType(JsonTreeItem::None)
|
||
,theItemDatas({{0,"[Key]"},{1,"[Value]"}}) //默认两行
|
||
{
|
||
}
|
||
|
||
JsonTreeItem::JsonTreeItem(const QHash<int, QVariant> &datas, JsonTreeItem::JsonItemType type, JsonTreeItem *parent)
|
||
:theParentItem(parent)
|
||
,theItemType(type)
|
||
,theItemDatas(datas)
|
||
{
|
||
}
|
||
|
||
JsonTreeItem::~JsonTreeItem()
|
||
{
|
||
deleteAllChild();
|
||
}
|
||
|
||
bool JsonTreeItem::insertChild(int row, JsonTreeItem *child)
|
||
{
|
||
if(row<0||row>theChildItems.count())
|
||
return false;
|
||
theChildItems.insert(row,child);
|
||
child->setParentItem(this);
|
||
return true;
|
||
}
|
||
|
||
bool JsonTreeItem::removeChild(int row)
|
||
{
|
||
if(row<0||row+1>theChildItems.count())
|
||
return false;
|
||
delete theChildItems.takeAt(row);
|
||
return true;
|
||
}
|
||
|
||
bool JsonTreeItem::insertChildren(int row, int count)
|
||
{
|
||
if(row<0||row>theChildItems.count())
|
||
return false;
|
||
for(int i=0;i<count;i++){
|
||
JsonTreeItem *item=new JsonTreeItem(this);
|
||
//目前还没有delegate来自定义操作，所以new item默认为json Value类型
|
||
item->setType(JsonTreeItem::Value);
|
||
//这里新增的次序无所谓row+i
|
||
theChildItems.insert(row,item);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
bool JsonTreeItem::removeChildren(int row, int count)
|
||
{
|
||
if (row<0||row+count>theChildItems.count())
|
||
return false;
|
||
for(int i=0;i<count;i++){
|
||
delete theChildItems.takeAt(row+i);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void JsonTreeItem::appendChild(JsonTreeItem *child)
|
||
{
|
||
theChildItems.append(child);
|
||
child->setParentItem(this);
|
||
}
|
||
|
||
void JsonTreeItem::deleteAllChild()
|
||
{
|
||
qDeleteAll(theChildItems);
|
||
theChildItems.clear();
|
||
}
|
||
|
||
JsonTreeItem *JsonTreeItem::childItem(int row)
|
||
{
|
||
return theChildItems.value(row);
|
||
}
|
||
|
||
JsonTreeItem *JsonTreeItem::parentItem()
|
||
{
|
||
return theParentItem;
|
||
}
|
||
|
||
void JsonTreeItem::setParentItem(JsonTreeItem *parent)
|
||
{
|
||
theParentItem=parent;
|
||
}
|
||
|
||
int JsonTreeItem::childCount() const
|
||
{
|
||
return theChildItems.count();
|
||
}
|
||
|
||
int JsonTreeItem::columnCount() const
|
||
{
|
||
return theItemDatas.count();
|
||
}
|
||
|
||
QVariant JsonTreeItem::data(int column) const
|
||
{
|
||
return theItemDatas.value(column,QVariant());
|
||
}
|
||
|
||
void JsonTreeItem::setData(int column, const QVariant &val)
|
||
{
|
||
theItemDatas.insert(column,val);
|
||
}
|
||
|
||
int JsonTreeItem::row() const
|
||
{
|
||
if(theParentItem)
|
||
return theParentItem->theChildItems.indexOf(const_cast<JsonTreeItem*>(this));
|
||
return 0;
|
||
}
|
||
|
||
bool JsonTreeItem::editable(int column) const
|
||
{
|
||
//在保留默认结构的情况下
|
||
//root的key-value都不可编辑
|
||
//-->parent:nullptr
|
||
//array下级的key不可编辑
|
||
//-->parent:array
|
||
//array或object的value不可编辑
|
||
//-->type()
|
||
//此外，如果希望key不可变，column==0返回false即可
|
||
if((!theParentItem||!theParentItem->parentItem())||
|
||
((0==column)&&(theParentItem->type()==JsonTreeItem::Array))||
|
||
((1==column)&&((type()==JsonTreeItem::Array)||(type()==JsonTreeItem::Object))))
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
QString JsonTreeItem::key() const
|
||
{
|
||
return theItemDatas.value(0,"").toString();
|
||
}
|
||
|
||
void JsonTreeItem::setKey(const QString &key)
|
||
{
|
||
theItemDatas[0]=key;
|
||
}
|
||
|
||
QVariant JsonTreeItem::value() const
|
||
{
|
||
return theItemDatas.value(1,0);
|
||
}
|
||
|
||
void JsonTreeItem::setValue(const QVariant &value)
|
||
{
|
||
theItemDatas[1]=value;
|
||
}
|
||
|
||
JsonTreeItem::JsonItemType JsonTreeItem::type() const
|
||
{
|
||
return theItemType;
|
||
}
|
||
|
||
void JsonTreeItem::setType(JsonTreeItem::JsonItemType type)
|
||
{
|
||
theItemType=type;
|
||
}
|
||
|