From b91cf18aeedc343acd6ffd59cfd969cacd532bf4 Mon Sep 17 00:00:00 2001
From: Jan Prochazka <jan.prochazka@gmail.com>
Date: Sat, 6 Mar 2021 11:35:15 +0100
Subject: [PATCH] master/detail working

---
 packages/web/src/datagrid/DataGridCore.svelte |  11 ++
 .../src/datagrid/LoadingDataGridCore.svelte   |  17 ++-
 .../web/src/datagrid/ReferenceHeader.svelte   |  39 ++++++
 .../web/src/datagrid/ReferenceManager.svelte  |   7 +-
 .../web/src/datagrid/TableDataGrid.svelte     | 122 +++++++++++++++++-
 packages/web/src/tabs/TableDataTab.svelte     |   6 +-
 6 files changed, 190 insertions(+), 12 deletions(-)
 create mode 100644 packages/web/src/datagrid/ReferenceHeader.svelte

diff --git a/packages/web/src/datagrid/DataGridCore.svelte b/packages/web/src/datagrid/DataGridCore.svelte
index 81c7fbf82..31f962280 100644
--- a/packages/web/src/datagrid/DataGridCore.svelte
+++ b/packages/web/src/datagrid/DataGridCore.svelte
@@ -70,6 +70,10 @@
   export let frameSelection = undefined;
   export let isLoading = false;
   export let allRowCount = undefined;
+  export let onReferenceSourceChanged = undefined;
+
+  export let isLoadedAll;
+  export let loadedTime;
 
   const wheelRowCount = 5;
   const instance = get_current_component();
@@ -148,6 +152,13 @@
     });
   }
 
+  $: {
+    const _unused = selectedCells;
+    if (onReferenceSourceChanged && (grider.rowCount > 0 || isLoadedAll)) {
+      onReferenceSourceChanged(getSelectedRowData(), loadedTime);
+    }
+  }
+
   function scrollIntoView(cell) {
     const [row, col] = cell;
 
diff --git a/packages/web/src/datagrid/LoadingDataGridCore.svelte b/packages/web/src/datagrid/LoadingDataGridCore.svelte
index 1a46a210b..dfd4197c0 100644
--- a/packages/web/src/datagrid/LoadingDataGridCore.svelte
+++ b/packages/web/src/datagrid/LoadingDataGridCore.svelte
@@ -6,6 +6,7 @@
   export let loadRowCount;
   export let grider;
   export let display;
+  export let masterLoadedTime = undefined;
   // export let griderFactory;
 
   export let loadedRows = [];
@@ -87,6 +88,20 @@
   $: if (display.cache.refreshTime > loadedTime) {
     reload();
   }
+
+  $: {
+    if (masterLoadedTime && masterLoadedTime > loadedTime) {
+      display.reload();
+    }
+  }
 </script>
 
-<DataGridCore {...$$props} loadNextData={handleLoadNextData} {grider} {isLoading} {allRowCount} />
+<DataGridCore
+  {...$$props}
+  loadNextData={handleLoadNextData}
+  {grider}
+  {isLoading}
+  {allRowCount}
+  {isLoadedAll}
+  {loadedTime}
+/>
diff --git a/packages/web/src/datagrid/ReferenceHeader.svelte b/packages/web/src/datagrid/ReferenceHeader.svelte
new file mode 100644
index 000000000..7a2b69b94
--- /dev/null
+++ b/packages/web/src/datagrid/ReferenceHeader.svelte
@@ -0,0 +1,39 @@
+<script lang="ts">
+  import { createEventDispatcher } from 'svelte';
+  import FontIcon from '../icons/FontIcon.svelte';
+  import ToolbarButton from '../widgets/ToolbarButton.svelte';
+
+  const dispatch = createEventDispatcher();
+
+  export let reference;
+</script>
+
+<div class="container">
+  <div class="header">
+    <FontIcon icon="img reference" />
+    <div class="ml-2">
+      {reference.pureName} [{reference.columns.map(x => x.refName).join(', ')}] = master [
+      {reference.columns.map(x => x.baseName).join(', ')}]
+    </div>
+  </div>
+  <ToolbarButton icon="icon close" on:click={() => dispatch('close')}>Close</ToolbarButton>
+</div>
+
+<style>
+  .container {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    background: var(--theme-bg-modalheader);
+    height: var(--dim-toolbar-height);
+    min-height: var(--dim-toolbar-height);
+    overflow: hidden;
+    border-top: 1px solid var(--theme-border);
+    border-bottom: 1px solid var(--theme-border);
+  }
+  .header {
+    font-weight: bold;
+    margin-left: 10px;
+    display: flex;
+  }
+</style>
diff --git a/packages/web/src/datagrid/ReferenceManager.svelte b/packages/web/src/datagrid/ReferenceManager.svelte
index d54bbc0b7..4534c81c5 100644
--- a/packages/web/src/datagrid/ReferenceManager.svelte
+++ b/packages/web/src/datagrid/ReferenceManager.svelte
@@ -12,6 +12,7 @@
 
   export let managerSize;
   export let display: GridDisplay;
+  export let onReferenceClick = (ref) => {};
 
   const dispatch = createEventDispatcher();
 
@@ -31,7 +32,7 @@
       <div
         class="link"
         on:click={() =>
-          dispatch('referenceclick', {
+          onReferenceClick({
             schemaName: fk.refSchemaName,
             pureName: fk.refTableName,
             columns: fk.columns.map(col => ({
@@ -50,12 +51,12 @@
   {/if}
 
   {#if dependencies.length > 0}
-    <div class="bold nowrap ml-1">References tables ({dependencies.length})</div>
+    <div class="bold nowrap ml-1">Dependend tables ({dependencies.length})</div>
     {#each dependencies.filter(fk => filterName(filter, fk.pureName)) as fk}
       <div
         class="link"
         on:click={() =>
-          dispatch('referenceclick', {
+          onReferenceClick({
             schemaName: fk.schemaName,
             pureName: fk.pureName,
             columns: fk.columns.map(col => ({
diff --git a/packages/web/src/datagrid/TableDataGrid.svelte b/packages/web/src/datagrid/TableDataGrid.svelte
index 0089a6496..eafe0a352 100644
--- a/packages/web/src/datagrid/TableDataGrid.svelte
+++ b/packages/web/src/datagrid/TableDataGrid.svelte
@@ -1,24 +1,36 @@
 <script lang="ts">
-  import { createGridCache, TableFormViewDisplay, TableGridDisplay } from 'dbgate-datalib';
+  import { createGridCache, createGridConfig, TableFormViewDisplay, TableGridDisplay } from 'dbgate-datalib';
+  import { getFilterValueExpression } from 'dbgate-filterparser';
   import { findEngineDriver } from 'dbgate-tools';
+  import _ from 'lodash';
   import { writable } from 'svelte/store';
+  import VerticalSplitter from '../elements/VerticalSplitter.svelte';
   import { extensions } from '../stores';
+  import stableStringify from 'json-stable-stringify';
 
   import { useConnectionInfo, useDatabaseInfo } from '../utility/metadataLoaders';
 
   import DataGrid from './DataGrid.svelte';
+  import ReferenceHeader from './ReferenceHeader.svelte';
   import SqlDataGridCore from './SqlDataGridCore.svelte';
 
   export let conid;
   export let database;
   export let schemaName;
   export let pureName;
+
   export let config;
+  export let setConfig;
+
+  export let cache;
+  export let setCache;
 
   $: connection = useConnectionInfo({ conid });
   $: dbinfo = useDatabaseInfo({ conid, database });
 
-  const cache = writable(createGridCache());
+  let myLoadedTime = 0;
+
+  const childCache = writable(createGridCache());
 
   // $: console.log('display', display);
 
@@ -26,10 +38,10 @@
     ? new TableGridDisplay(
         { schemaName, pureName },
         findEngineDriver($connection, $extensions),
-        $config,
-        config.update,
-        $cache,
-        cache.update,
+        config,
+        setConfig,
+        cache,
+        setCache,
         $dbinfo
       )
     : // ? new TableFormViewDisplay(
@@ -42,6 +54,102 @@
       //     $dbinfo
       //   )
       null;
+
+  const setChildConfig = (value, reference = undefined) => {
+    if (_.isFunction(value)) {
+      setConfig(x => ({
+        ...x,
+        childConfig: value(x.childConfig),
+      }));
+    } else {
+      setConfig(x => ({
+        ...x,
+        childConfig: value,
+        reference: reference === undefined ? x.reference : reference,
+      }));
+    }
+  };
+
+  const handleReferenceSourceChanged = (selectedRows, loadedTime) => {
+    myLoadedTime = loadedTime;
+    if (!reference) return;
+
+    const filtersBase = display && display.isGrouped ? config.filters : childConfig.filters;
+
+    const filters = {
+      ...filtersBase,
+      ..._.fromPairs(
+        reference.columns.map(col => [
+          col.refName,
+          selectedRows.map(x => getFilterValueExpression(x[col.baseName], col.dataType)).join(', '),
+        ])
+      ),
+    };
+    if (stableStringify(filters) != stableStringify(childConfig.filters)) {
+      setChildConfig(cfg => ({
+        ...cfg,
+        filters,
+      }));
+      childCache.update(ca => ({
+        ...ca,
+        refreshTime: new Date().getTime(),
+      }));
+    }
+  };
+
+  const handleCloseReference = () => {
+    setChildConfig(null, null);
+  };
+
+  $: reference = config.reference;
+  $: childConfig = config.childConfig;
 </script>
 
-<DataGrid {...$$props} gridCoreComponent={SqlDataGridCore} {display} />
+<VerticalSplitter isSplitter={!!reference}>
+  <div slot="1">
+    <DataGrid
+      {...$$props}
+      gridCoreComponent={SqlDataGridCore}
+      {display}
+      onReferenceSourceChanged={reference ? handleReferenceSourceChanged : null}
+      onReferenceClick={reference => setChildConfig(createGridConfig(), reference)}
+    />
+  </div>
+  <div slot="2" class="reference-container">
+    {#if reference}
+      <ReferenceHeader {reference} on:close={handleCloseReference} />
+      <div class="detail">
+        {#key `${reference.schemaName}.${reference.pureName}`}
+          <svelte:self
+            {...$$props}
+            pureName={reference.pureName}
+            schemaName={reference.schemaName}
+            config={childConfig}
+            setConfig={setChildConfig}
+            cache={$childCache}
+            setCache={childCache.update}
+            masterLoadedTime={myLoadedTime}
+            isDetailView
+          />
+        {/key}
+      </div>
+    {/if}
+  </div>
+</VerticalSplitter>
+
+<style>
+  .reference-container {
+    position: absolute;
+    display: flex;
+    flex-direction: column;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+  }
+
+  .detail {
+    position: relative;
+    flex: 1;
+  }
+</style>
diff --git a/packages/web/src/tabs/TableDataTab.svelte b/packages/web/src/tabs/TableDataTab.svelte
index 72b953679..99c337988 100644
--- a/packages/web/src/tabs/TableDataTab.svelte
+++ b/packages/web/src/tabs/TableDataTab.svelte
@@ -2,6 +2,9 @@
   import App from '../App.svelte';
   import TableDataGrid from '../datagrid/TableDataGrid.svelte';
   import useGridConfig from '../utility/useGridConfig';
+  import { createGridCache, createGridConfig, TableFormViewDisplay, TableGridDisplay } from 'dbgate-datalib';
+  import { findEngineDriver } from 'dbgate-tools';
+  import { writable } from 'svelte/store';
 
   export let tabid;
   export let conid;
@@ -10,6 +13,7 @@
   export let pureName;
 
   const config = useGridConfig(tabid);
+  const cache = writable(createGridCache());
 </script>
 
-<TableDataGrid {...$$props} {config} />
+<TableDataGrid {...$$props} config={$config} setConfig={config.update} cache={$cache} setCache={cache.update} />