php-school · AydinHassan · Feb 15, 2020 · Feb 15, 2020
diff --git a/src/MenuItem/CheckboxItem.php b/src/MenuItem/CheckboxItem.php
@@ -4,7 +4,6 @@
 
 use PhpSchool\CliMenu\CliMenu;
 use PhpSchool\CliMenu\MenuStyle;
-use PhpSchool\CliMenu\Util\StringUtil;
 use PhpSchool\CliMenu\Style\CheckboxStyle;
 use PhpSchool\CliMenu\Style\ItemStyle;
 
@@ -61,34 +60,7 @@ public function __construct(
      */
     public function getRows(MenuStyle $style, bool $selected = false) : array
     {
-        $marker = sprintf("%s", $this->style->getMarker($this, $selected));
-
-        $itemExtra = $this->style->getItemExtra();
-
-        $length = $this->style->getDisplaysExtra()
-            ? $style->getContentWidth() - (mb_strlen($itemExtra) + 2)
-            : $style->getContentWidth();
-
-        $rows = explode(
-            "\n",
-            StringUtil::wordwrap(
-                sprintf('%s%s', $marker, $this->text),
-                $length,
-                sprintf("\n%s", str_repeat(' ', mb_strlen($marker)))
-            )
-        );
-
-        return array_map(function ($row, $key) use ($style, $length, $itemExtra) {
-            $text = $this->disabled ? $style->getDisabledItemText($row) : $row;
-
-            if ($key === 0) {
-                return $this->showItemExtra
-                    ? sprintf('%s%s  %s', $text, str_repeat(' ', $length - mb_strlen($row)), $itemExtra)
-                    : $text;
-            }
-
-            return $text;
-        }, $rows, array_keys($rows));
+        return (new SelectableItemRenderer())->render($style, $this, $selected, $this->disabled);
     }
 
     /**

diff --git a/src/MenuItem/MenuMenuItem.php b/src/MenuItem/MenuMenuItem.php
@@ -4,10 +4,8 @@
 
 use PhpSchool\CliMenu\CliMenu;
 use PhpSchool\CliMenu\MenuStyle;
-use PhpSchool\CliMenu\Util\StringUtil;
 use PhpSchool\CliMenu\Style\ItemStyle;
 use PhpSchool\CliMenu\Style\SelectableStyle;
-use function PhpSchool\CliMenu\Util\mapWithKeys;
 
 /**
  * @author Michael Woodward <[email protected]>
@@ -56,37 +54,7 @@ public function __construct(
      */
     public function getRows(MenuStyle $style, bool $selected = false) : array
     {
-        $marker = sprintf("%s", $this->style->getMarker($this, $selected));
-
-        $length = $this->style->getDisplaysExtra()
-            ? $style->getContentWidth() - (mb_strlen($this->style->getItemExtra()) + 2)
-            : $style->getContentWidth();
-
-        $rows = explode(
-            "\n",
-            StringUtil::wordwrap(
-                sprintf('%s%s', $marker, $this->text),
-                $length,
-                sprintf("\n%s", str_repeat(' ', mb_strlen($marker)))
-            )
-        );
-
-        return mapWithKeys($rows, function (int $key, string $row) use ($style, $length) {
-            $text = $this->disabled ? $style->getDisabledItemText($row) : $row;
-
-            if ($key === 0) {
-                return $this->showItemExtra
-                    ? sprintf(
-                        '%s%s  %s',
-                        $text,
-                        str_repeat(' ', $length - mb_strlen($row)),
-                        $this->style->getItemExtra()
-                    )
-                    : $text;
-            }
-
-            return $text;
-        });
+        return (new SelectableItemRenderer())->render($style, $this, $selected, $this->disabled);
     }
 
     /**

diff --git a/src/MenuItem/RadioItem.php b/src/MenuItem/RadioItem.php
@@ -4,7 +4,6 @@
 
 use PhpSchool\CliMenu\CliMenu;
 use PhpSchool\CliMenu\MenuStyle;
-use PhpSchool\CliMenu\Util\StringUtil;
 use PhpSchool\CliMenu\Style\ItemStyle;
 use PhpSchool\CliMenu\Style\RadioStyle;
 
@@ -61,34 +60,7 @@ public function __construct(
      */
     public function getRows(MenuStyle $style, bool $selected = false) : array
     {
-        $marker = sprintf("%s", $this->style->getMarker($this, $selected));
-
-        $itemExtra = $this->style->getItemExtra();
-
-        $length = $this->style->getDisplaysExtra()
-            ? $style->getContentWidth() - (mb_strlen($itemExtra) + 2)
-            : $style->getContentWidth();
-
-        $rows = explode(
-            "\n",
-            StringUtil::wordwrap(
-                sprintf('%s%s', $marker, $this->text),
-                $length,
-                sprintf("\n%s", str_repeat(' ', mb_strlen($marker)))
-            )
-        );
-
-        return array_map(function ($row, $key) use ($style, $length, $itemExtra) {
-            $text = $this->disabled ? $style->getDisabledItemText($row) : $row;
-
-            if ($key === 0) {
-                return $this->showItemExtra
-                    ? sprintf('%s%s  %s', $text, str_repeat(' ', $length - mb_strlen($row)), $itemExtra)
-                    : $text;
-            }
-
-            return $text;
-        }, $rows, array_keys($rows));
+        return (new SelectableItemRenderer())->render($style, $this, $selected, $this->disabled);
     }
 
     /**

diff --git a/src/MenuItem/SelectableItemRenderer.php b/src/MenuItem/SelectableItemRenderer.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpSchool\CliMenu\MenuItem;
+
+use PhpSchool\CliMenu\MenuStyle;
+use PhpSchool\CliMenu\Style\ItemStyle;
+use PhpSchool\CliMenu\Style\Selectable;
+use PhpSchool\CliMenu\Util\StringUtil as s;
+use function PhpSchool\CliMenu\Util\mapWithKeys;
+
+class SelectableItemRenderer
+{
+    public function render(MenuStyle $menuStyle, MenuItemInterface $item, bool $selected, bool $disabled) : array
+    {
+        $itemStyle = $item->getStyle();
+        $marker = $itemStyle->getMarker($item, $selected);
+        $availableTextWidth = $this->getAvailableTextWidth($menuStyle, $itemStyle);
+
+        return mapWithKeys(
+            $this->wrapAndIndentText($marker, $item->getText(), $availableTextWidth),
+            function (int $key, string $row) use ($menuStyle, $itemStyle, $availableTextWidth, $disabled) {
+                $text = $disabled ? $menuStyle->getDisabledItemText($row) : $row;
+
+                return $key === 0 && $itemStyle->getDisplaysExtra()
+                    ? $this->lineWithExtra($text, $availableTextWidth, $itemStyle)
+                    : $text;
+            }
+        );
+    }
+
+    public function wrapAndIndentText(string $marker, string $text, int $availableWidth) : array
+    {
+        return explode(
+            "\n",
+            s::wordwrap(
+                "{$marker}{$text}",
+                $availableWidth,
+                sprintf("\n%s", $this->emptyString(mb_strlen($marker)))
+            )
+        );
+    }
+
+    public function lineWithExtra(string $text, int $availableWidth, ItemStyle $itemStyle) : string
+    {
+        return sprintf(
+            '%s%s  %s',
+            $text,
+            $this->emptyString($availableWidth - s::length($text)),
+            $itemStyle->getItemExtra()
+        );
+    }
+
+    public function emptyString(int $numCharacters) : string
+    {
+        return str_repeat(' ', $numCharacters);
+    }
+
+    public function getAvailableTextWidth(MenuStyle $menuStyle, ItemStyle $itemStyle) : int
+    {
+        return $itemStyle->getDisplaysExtra()
+            ? $menuStyle->getContentWidth() - (mb_strlen($itemStyle->getItemExtra()) + 2)
+            : $menuStyle->getContentWidth();
+    }
+}
diff --git a/test/MenuItem/SelectableItemRendererTest.php b/test/MenuItem/SelectableItemRendererTest.php
@@ -0,0 +1,151 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpSchool\CliMenuTest\MenuItem;
+
+use PhpSchool\CliMenu\MenuItem\SelectableItem;
+use PhpSchool\CliMenu\MenuItem\SelectableItemRenderer;
+use PhpSchool\CliMenu\MenuStyle;
+use PhpSchool\CliMenu\Style\SelectableStyle;
+use PhpSchool\CliMenuTest\MockTerminal;
+use PHPUnit\Framework\TestCase;
+
+class SelectableItemRendererTest extends TestCase
+{
+    public function testRender() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(35);
+
+        $style = (new SelectableStyle())->setItemExtra('[DONE]');
+
+        $item = new SelectableItem('SOME TEXT', function () {
+        });
+        $item->setStyle($style);
+
+        self::assertEquals(
+            [
+                '● SOME TEXT              [DONE]',
+            ],
+            $renderer->render($menuStyle, $item, true, false)
+        );
+    }
+    public function testRenderMultiLine() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(35);
+        $style = (new SelectableStyle())->setItemExtra('[DONE]');
+
+        $item = new SelectableItem('SOME TEXT THAT IS MUCH LONGER THAN THE AVAILABLE WIDTH', function () {
+        });
+        $item->setStyle($style);
+
+        self::assertEquals(
+            [
+                '● SOME TEXT THAT IS      [DONE]',
+                '  MUCH LONGER THAN THE',
+                '  AVAILABLE WIDTH',
+            ],
+            $renderer->render($menuStyle, $item, true, false)
+        );
+    }
+    public function testRenderUnselected() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(35);
+        $style = (new SelectableStyle())->setItemExtra('[DONE]');
+
+        $item = new SelectableItem('SOME TEXT', function () {
+        });
+        $item->setStyle($style);
+
+        self::assertEquals(
+            [
+                '○ SOME TEXT              [DONE]',
+            ],
+            $renderer->render($menuStyle, $item, false, false)
+        );
+    }
+    public function testRenderDisabled() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(35);
+        $style = (new SelectableStyle())->setItemExtra('[DONE]');
+
+        $item = new SelectableItem('SOME TEXT', function () {
+        });
+        $item->setStyle($style);
+
+        self::assertEquals(
+            [
+                "\033[2m● SOME TEXT\033[22m              [DONE]",
+            ],
+            $renderer->render($menuStyle, $item, true, true)
+        );
+    }
+    public function testWrapAndIndentText() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $text = 'SOME TEXT THAT IS MUCH LONGER THAN THE AVAILABLE WIDTH';
+
+        self::assertEquals(
+            [
+                '[ ] SOME TEXT THAT',
+                '    IS MUCH LONGER THAN',
+                '    THE AVAILABLE WIDTH',
+            ],
+            $renderer->wrapAndIndentText('[ ] ', $text, 20)
+        );
+    }
+    public function testLineWithExtra() : void
+    {
+        $renderer = new SelectableItemRenderer();
+        $style = (new SelectableStyle())->setItemExtra('[DONE]');
+
+        self::assertEquals(
+            'FIRST LINE       [DONE]',
+            $renderer->lineWithExtra('FIRST LINE', 15, $style)
+        );
+    }
+    public function testEmptyString() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        self::assertEquals(' ', $renderer->emptyString(1));
+        self::assertEquals('   ', $renderer->emptyString(3));
+        self::assertEquals('     ', $renderer->emptyString(5));
+    }
+    public function testGetAvailableTextWidthWithoutExtra() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(100);
+
+        $itemStyle = new SelectableStyle();
+
+        self::assertEquals(92, $renderer->getAvailableTextWidth($menuStyle, $itemStyle));
+    }
+    public function testGetAvailableTextWidthWithExtra() : void
+    {
+        $renderer = new SelectableItemRenderer();
+
+        $menuStyle = new MenuStyle(new MockTerminal);
+        $menuStyle->setWidth(100);
+
+        $itemStyle = new SelectableStyle();
+        $itemStyle->setItemExtra('[DONE]');
+
+        self::assertEquals(84, $renderer->getAvailableTextWidth($menuStyle, $itemStyle));
+    }
+}