src/svelte/src/components/Header/Header.svelte

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<script lang="ts">
  import FileMetrics from './fieldsets/FileMetrics.svelte'
  import SearchReplace from './fieldsets/SearchReplace.svelte'
  import Settings from './fieldsets/Settings.svelte'
  import FlexContainer from '../layouts/FlexContainer.svelte'
  import { UIThemeCSSClass } from '../../utilities/colorScheme'
  import { fileMetrics } from '../../stores'
  import Tooltip from '../layouts/Tooltip.svelte'

  let hideChildren = false
</script>

{#if hideChildren}
  <FlexContainer>
    <FlexContainer --justify-content="space-between" --align-items="center">
      <div class="filename-display"><b>File:</b> {$fileMetrics.name}</div>
      <Tooltip alwaysEnabled={true} description={'Maximize header'}>
        <button
          class={$UIThemeCSSClass + ' minmax-icon'}
          on:click={() => {
            hideChildren = hideChildren ? false : true
          }}><span class="material-symbols-outlined">expand_all</span></button
        >
      </Tooltip>
    </FlexContainer>
  </FlexContainer>
{:else}
  <FlexContainer --height="150pt">
    <header>
      <FlexContainer --height="fit-content">
        <FileMetrics on:clearChangeStack on:redo on:undo />
        <SearchReplace on:seek on:clearDataDisplays />
        <Settings on:seek />
      </FlexContainer>
    </header>
    <div class="display-icons">
      <Tooltip alwaysEnabled={true} description={'Minimize header'}>
        <button
          class={$UIThemeCSSClass + ' minmax-icon'}
          on:click={() => {
            hideChildren = !hideChildren
          }}
        >
          <span class="material-symbols-outlined">
            {#if hideChildren}
              expand_all
            {:else}
              expand_less
            {/if}
          </span>
        </button>
      </Tooltip>
    </div>
  </FlexContainer>
{/if}

<style>
  header {
    display: flex;
    justify-content: center;
    width: 100%;
    max-height: 120pt;
    flex: 0 1 auto;
    transition: all 0.5s;
  }

  header div.display-icons {
    justify-content: space-between;
    transition: all 0.4s ease 0s;
    align-items: center;
  }

  header div.display-icons div {
    margin-right: 10pt;
    font-size: 10pt;
    letter-spacing: 1pt;
  }

  header div.display-icons button {
    width: 20px;
    height: 20px;
    font-size: 15px;
    padding: 0;
    font-weight: normal;
    border-width: 1px;
  }

  button.minmax-icon {
    min-width: 14px;
    font-weight: bold;
    width: fit-content;
  }
  div.filename-display {
    font-size: medium;
    padding: 5px;
  }
</style>