78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
#include "model/recipe/ingredients/ingredientlistmodel.h"
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IngredientListModel::IngredientListModel(){
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this->ingredients = vector<RecipeIngredient>();
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}
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int IngredientListModel::rowCount(const QModelIndex &parent) const{
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return this->ingredients.size();
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}
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QVariant IngredientListModel::data(const QModelIndex &index, int role) const{
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int row = index.row();
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RecipeIngredient i = this->ingredients[row];
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string displayStr;
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if (std::ceil(i.getQuantity()) == i.getQuantity()){
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//The quantity is an integer and should be casted.
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displayStr += std::to_string((int)i.getQuantity());
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} else {
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float q = i.getQuantity();
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displayStr += toString(q);
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}
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displayStr += " " + i.getUnit().getAbbreviation() + " " + i.getName();
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switch(role){
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case Qt::DisplayRole:
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return QString::fromStdString(displayStr);
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}
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return QVariant();
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}
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void IngredientListModel::setIngredients(vector<RecipeIngredient> ingredients){
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this->ingredients = ingredients;
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QModelIndex index = createIndex(0, 0);
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QModelIndex bottomIndex = createIndex(ingredients.size()-1, 0);
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emit dataChanged(index, bottomIndex);
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}
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bool IngredientListModel::addIngredient(RecipeIngredient ri){
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//Add only if it doesn't exist already.
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for (unsigned int i = 0; i < this->ingredients.size(); i++){
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if (!this->ingredients[i].getName().compare(ri.getName())){
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return false;
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}
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}
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this->ingredients.push_back(ri);
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QModelIndex index = createIndex(this->ingredients.size()-1, 0);
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QModelIndex bottomIndex = createIndex(this->ingredients.size()-1, 0);
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emit dataChanged(index, bottomIndex);
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return true;
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}
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void IngredientListModel::deleteIngredient(int index){
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this->ingredients.erase(this->ingredients.begin() + index);
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emit dataChanged(createIndex(0, 0), createIndex(this->ingredients.size()-1, 0));
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}
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vector<RecipeIngredient> IngredientListModel::getIngredients(){
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return this->ingredients;
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}
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string toString(float val){
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float decimal = std::fmod(val, 1.0f);
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int places = 1;
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while (std::fmod(decimal * 10, 1.0f) > 0){
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decimal *= 10;
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places++;
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}
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char buffer[50];
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string arg = "%."+std::to_string(places)+"f";
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sprintf(buffer, arg.c_str(), val);
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string s = buffer;
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return s;
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}
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