GUINodeConditions.h

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#pragma once
 
#include <algorithm>
#include <string>
#include <vector>
 
#include <tdme/tdme.h>
#include <tdme/gui/nodes/fwd-tdme.h>
#include <tdme/utilities/fwd-tdme.h>
 
using std::find;
using std::string;
using std::vector;
 
using tdme::gui::nodes::GUIElementNode;
 
/**
 * GUI element node conditions
 * @author Andreas Drewke
 * @version $Id$
 */
class tdme::gui::nodes::GUINodeConditions final
{
    friend class GUINode;
 
private:
    GUIElementNode* elementNode { nullptr };
    vector<string> conditions;
 
    /**
     * Update node
     * @param node node
     * @param conditions conditions that have been set
     */
    void updateNode(GUINode* node, const vector<string>& conditions) const;
 
    /**
     * Update element node
     * @param conditions conditions that have been set
     */
    void updateElementNode(const vector<string>& conditions) const;
 
public:
    /**
     * Public constructor
     * @param node node
     */
    GUINodeConditions(GUIElementNode* node = nullptr);
 
    /**
     * @return conditions
     */
    inline const vector<string>& getConditions() const {
        return conditions;
    }
 
    /**
     * Returns if condition is set
     * @param condition condition name
     * @return if condition is set
     */
    inline bool has(const string& condition) const {
        return find(conditions.begin(), conditions.end(), condition) != conditions.end();
    }
 
    /**
     * Set condition
     * @param condition condition
     */
    inline void set(const string& condition) {
        this->conditions = {{ condition }};
        updateElementNode(conditions);
    }
 
    /**
     * Set multiple conditions
     * @param conditions conditions
     */
    inline void set(const vector<string>& conditions) {
        this->conditions = conditions;
        updateElementNode(conditions);
    }
 
    /**
     * Add a condition
     * @param condition condition
     * @return condition changed
     */
    inline bool add(const string& condition) {
        auto conditionsChanged = has(condition) == false;
        if (conditionsChanged == true) {
            conditions.push_back(condition);
            updateElementNode({condition});
        }
        return conditionsChanged;
    }
 
    /**
     * Remove a condition
     * @param condition condition
     * @return condition changed
     */
    inline bool remove(const string& condition) {
        auto conditionsChanged = has(condition);
        if (conditionsChanged == true) {
            conditions.erase(std::remove(conditions.begin(), conditions.end(), condition), conditions.end());
            updateElementNode({});
        }
        return conditionsChanged;
    }
 
    /**
     * Remove all
     * @return condition changed
     */
    inline bool removeAll() {
        auto conditionsChanged = conditions.empty() == false;
        if (conditionsChanged == true) {
            conditions.clear();
            updateElementNode({});
        }
        return conditionsChanged;
    }
 
};