build method

Implementation

@override
Widget build(BuildContext context, ScienceModel model) => Column(children: [
    PageHeader(
      pageIndex: index,
      children: [  // The header at the top
        const SizedBox(width: 8),
        Text("Science Analysis", style: context.textTheme.headlineMedium),
        const SizedBox(width: 12),
        if (model.isLoading) const SizedBox(height: 20, width: 20, child: CircularProgressIndicator()),
        const Spacer(),
        DropdownButton(
          value: model.sample,
          onChanged: model.updateSample,
          items: [
            for (int i = 0; i < model.numSamples; i++) DropdownMenuItem(
              value: i,
              child: Text("Sample ${i + 1}"),
            ),
          ],
        ),
        if (model.isListening) IconButton(
          icon: const Icon(Icons.upload_file),
          onPressed: model.loadFile,
          tooltip: "Load file",
        ) else IconButton(
          icon: const Icon(Icons.clear),
          onPressed: model.clear,
          tooltip: "Clear",
        ),
      ],
    ),
    Expanded(child: ListView(  // The main content of the page
      padding: const EdgeInsets.symmetric(horizontal: 4),
      children: [
        if (model.errorText != null) ...[
          Text("Error analyzing the logs", textAlign: TextAlign.center, style: context.textTheme.headlineLarge),
          const SizedBox(height: 24),
          Text("Here is the error:", textAlign: TextAlign.center, style: context.textTheme.titleLarge),
          const SizedBox(height: 12),
          Text(model.errorText!, textAlign: TextAlign.center, style: context.textTheme.titleMedium),
        ] else if (!model.isLoading) ...[
          ChartsRow(
            title: "Details",
            analyses: model.analysesForSample,
            builder: (analysis) => LineChart(getDetailsData(analysis, getColor(model.sample / model.numSamples))),
          ),
          ChartsRow(
            title: "Summary",
            analyses: model.analysesForSample,
            builder: (analysis) => BarChart(getBarChartData(analysis, getColor(model.sample / model.numSamples))),
          ),
          ChartsRow(
            title: "Results",
            height: 425,
            analyses: model.analysesForSample,
            builder: ResultsBox.new,
          ),
        ],
      ],
    ),),
    ScienceCommandEditor(),
  ],);