From 17dbc6cc67c76b6df53151eab99794ecf07ae503 Mon Sep 17 00:00:00 2001
From: Jan Prochazka <jan.prochazka@gmail.com>
Date: Thu, 30 Dec 2021 18:51:34 +0100
Subject: [PATCH] column manager focusable

---
 .../web/src/datagrid/ColumnManager.svelte     | 89 ++++++++++++++++++-
 .../web/src/datagrid/ColumnManagerRow.svelte  |  7 ++
 2 files changed, 92 insertions(+), 4 deletions(-)

diff --git a/packages/web/src/datagrid/ColumnManager.svelte b/packages/web/src/datagrid/ColumnManager.svelte
index 7df2a2a70..13593627d 100644
--- a/packages/web/src/datagrid/ColumnManager.svelte
+++ b/packages/web/src/datagrid/ColumnManager.svelte
@@ -1,4 +1,5 @@
 <script lang="ts">
+  import _ from 'lodash';
   import { GridDisplay } from 'dbgate-datalib';
   import { filterName } from 'dbgate-tools';
   import CloseSearchButton from '../elements/CloseSearchButton.svelte';
@@ -10,7 +11,9 @@
   import SearchInput from '../elements/SearchInput.svelte';
   import InputTextModal from '../modals/InputTextModal.svelte';
   import { showModal } from '../modals/modalTools';
+  import keycodes from '../utility/keycodes';
   import ColumnManagerRow from './ColumnManagerRow.svelte';
+  import { copyTextToClipboard } from '../utility/clipboard';
 
   export let managerSize;
   export let display: GridDisplay;
@@ -18,6 +21,56 @@
   export let isDynamicStructure = false;
 
   let filter;
+  let domFocusField;
+
+  let selectedColumns = [];
+  let currentColumnUniqueName = null;
+
+  $: items = display?.getColumns(filter)?.filter(column => filterName(filter, column.columnName)) || [];
+
+  function selectColumn(uniqueName) {
+    currentColumnUniqueName = uniqueName;
+    selectedColumns = [uniqueName];
+    if (!isJsonView) {
+      display.focusColumn(uniqueName);
+    }
+  }
+
+  function selectColumnIndex(index) {
+    if (index >= 0 && index < items.length) {
+      selectColumn(items[index].uniqueName);
+      return;
+    }
+    if (items.length == 0) {
+      return;
+    }
+    if (index < 0) {
+      selectColumn(items[0].uniqueName);
+      return;
+    } else if (index >= items.length) {
+      selectColumn(items[items.length - 1].uniqueName);
+      return;
+    }
+  }
+
+  function moveIndex(indexFunc) {
+    const index = _.findIndex(items, x => x.uniqueName == currentColumnUniqueName);
+    if (index >= 0) {
+      selectColumnIndex(indexFunc(index));
+    }
+  }
+
+  function handleKeyDown(e) {
+    if (e.keyCode == keycodes.upArrow) moveIndex(i => i - 1);
+    else if (e.keyCode == keycodes.downArrow) moveIndex(i => i + 1);
+    else if (e.keyCode == keycodes.home) moveIndex(() => 0);
+    else if (e.keyCode == keycodes.end) moveIndex(() => items.length - 1);
+    else if (e.keyCode == keycodes.pageUp) moveIndex(i => i - 10);
+    else if (e.keyCode == keycodes.pageDown) moveIndex(i => i + 10);
+  }
+  function copyToClipboard() {
+    copyTextToClipboard(selectedColumns.join('\r\r'));
+  }
 </script>
 
 <SearchBoxWrapper>
@@ -41,9 +94,37 @@
   <InlineButton on:click={() => display.showAllColumns()}>Show</InlineButton>
 </SearchBoxWrapper>
 <ManagerInnerContainer width={managerSize}>
-  {#each display
-    ?.getColumns(filter)
-    ?.filter(column => filterName(filter, column.columnName)) || [] as column (column.uniqueName)}
-    <ColumnManagerRow {display} {column} {isJsonView} />
+  <input
+    type="text"
+    class="focus-field"
+    bind:this={domFocusField}
+    on:keydown={handleKeyDown}
+    on:focus={() => {
+      // activator.activate();
+      // invalidateCommands();
+    }}
+    on:copy={copyToClipboard}
+  />
+
+  {#each items as column (column.uniqueName)}
+    <ColumnManagerRow
+      {display}
+      {column}
+      {isJsonView}
+      isSelected={selectedColumns.includes(column.uniqueName) || currentColumnUniqueName == column.uniqueName}
+      on:click={() => {
+        if (domFocusField) domFocusField.focus();
+        selectedColumns = [column.uniqueName];
+        currentColumnUniqueName = column.uniqueName;
+      }}
+    />
   {/each}
 </ManagerInnerContainer>
+
+<style>
+  .focus-field {
+    position: absolute;
+    left: -1000px;
+    top: -1000px;
+  }
+</style>
diff --git a/packages/web/src/datagrid/ColumnManagerRow.svelte b/packages/web/src/datagrid/ColumnManagerRow.svelte
index caf4e4391..b72914e55 100644
--- a/packages/web/src/datagrid/ColumnManagerRow.svelte
+++ b/packages/web/src/datagrid/ColumnManagerRow.svelte
@@ -7,6 +7,7 @@
   export let column;
   export let display;
   export let isJsonView = false;
+  export let isSelected = false;
 </script>
 
 <div
@@ -17,6 +18,8 @@
     if (isJsonView) display.showFilter(column.uniqueName);
     else display.focusColumn(column.uniqueName);
   }}
+  class:isSelected
+  on:click
 >
   <span class="expandColumnIcon" style={`margin-right: ${5 + (column.uniquePath.length - 1) * 10}px`}>
     <FontIcon
@@ -46,4 +49,8 @@
   .row:hover {
     background: var(--theme-bg-hover);
   }
+
+  .row.isSelected {
+    background: var(--theme-bg-selected);
+  }
 </style>