92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
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#ifndef COMNTOOLS_H
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#define COMNTOOLS_H
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#include "opstream.h"
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#include <QStandardItemModel>
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#include <functional>
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namespace Tools {
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template<class BaseType>
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class ModelSyncs
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{
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public:
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ModelSyncs(QStandardItemModel *model_base, std::function<bool(const BaseType &n, QStandardItem *p)> _equal,
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std::function<void(const BaseType &n, QStandardItem *p)> sync_proc)
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: model_present(model_base), sync_process(sync_proc), compare_process(_equal){}
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void presentSync(std::function<QList<BaseType>(const BaseType &pnode)> items_peak)
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{
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auto default_pdata = BaseType();
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auto datas = items_peak(default_pdata);
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Operate::OpStream<QStandardItem*>([this](int &cnt, int idx)->QStandardItem*{
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cnt = model_present->rowCount();
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return model_present->item(idx);
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}).filter([&datas, this](QStandardItem *const &it)->bool{
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for(auto &d : datas)
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if(compare_process(d, it))
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return false;
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return true;
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}).forEach([this](QStandardItem *const &it){
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model_present->removeRow(it->row());
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});
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for (auto idx = 0; idx < datas.size(); ++idx) {
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if (idx >= model_present->rowCount()) {
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auto ins = new QStandardItem();
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ins->setEditable(false);
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model_present->appendRow(ins);
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}
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auto &data = datas[idx];
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auto item = model_present->item(idx);
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sync_process(data, item);
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layer_items_sync(data, item, items_peak);
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}
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}
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private:
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QStandardItemModel *model_present;
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std::function<void(const BaseType &n, QStandardItem *p)> sync_process;
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std::function<bool(const BaseType &n, QStandardItem *p)> compare_process;
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void layer_items_sync(const BaseType &data, QStandardItem *pnode,
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std::function<QList<BaseType>(const BaseType &pnode)> items_peak){
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auto datas = items_peak(data);
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Operate::OpStream<QStandardItem*>([pnode](int &cnt, int idx)->QStandardItem*{
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cnt = pnode->rowCount();
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return pnode->child(idx);
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}).filter([&datas, this](QStandardItem *const &it)->bool{
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for(auto &d : datas)
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if(compare_process(d, it))
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return false;
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return true;
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}).forEach([pnode](QStandardItem *const &it){
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pnode->removeRow(it->row());
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});
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for (auto idx = 0; idx < datas.size(); ++idx) {
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if (idx >= pnode->rowCount()) {
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auto ins = new QStandardItem();
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ins->setEditable(false);
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pnode->appendRow(ins);
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}
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auto &data = datas[idx];
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auto item = pnode->child(idx);
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sync_process(data, item);
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layer_items_sync(data, item, items_peak);
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}
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}
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};
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}
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#endif // COMNTOOLS_H
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