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078ce97c41
This allows to you install a custom callback that can do anything with Role::Display data before it's returned by GJsonArrayModel::data().
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#include <AK/JsonObject.h>
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#include <LibCore/CFile.h>
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#include <LibGUI/GJsonArrayModel.h>
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void GJsonArrayModel::update()
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{
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CFile file(m_json_path);
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if (!file.open(CIODevice::ReadOnly)) {
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dbg() << "Unable to open " << file.filename();
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return;
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}
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auto json = JsonValue::from_string(file.read_all());
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ASSERT(json.is_array());
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m_array = json.as_array();
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did_update();
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}
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GModel::ColumnMetadata GJsonArrayModel::column_metadata(int column) const
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{
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ASSERT(column < m_fields.size());
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return { 100, m_fields[column].text_alignment };
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}
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GVariant GJsonArrayModel::data(const GModelIndex& index, Role role) const
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{
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auto& field_spec = m_fields[index.column()];
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auto& object = m_array.at(index.row()).as_object();
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if (role == GModel::Role::Display) {
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auto& json_field_name = field_spec.json_field_name;
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auto data = object.get(json_field_name);
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if (field_spec.massage_for_display)
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return field_spec.massage_for_display(data);
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if (data.is_int())
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return data.as_int();
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if (data.is_uint())
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return data.as_uint();
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return object.get(json_field_name).to_string();
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}
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return {};
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}
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void GJsonArrayModel::set_json_path(const String& json_path)
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{
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if (m_json_path == json_path)
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return;
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m_json_path = json_path;
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update();
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}
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