From 780c575e59e3108c8a07f5f64fd5804420fcb934 Mon Sep 17 00:00:00 2001
From: anekos
Date: Tue, 17 Feb 2009 14:42:52 +0000
Subject: デフォルトのキーを変更 モードを追加

git-svn-id: http://svn.coderepos.org/share/lang/javascript/vimperator-plugins/trunk@30200 d0d07461-0603-4401-acd4-de1884942a52
---
 caret-hint.js | 164 ++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 118 insertions(+), 46 deletions(-)

(limited to 'caret-hint.js')

diff --git a/caret-hint.js b/caret-hint.js
index d38cc19..0f48655 100644
--- a/caret-hint.js
+++ b/caret-hint.js
@@ -36,9 +36,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
 let PLUGIN_INFO =
 <VimperatorPlugin>
   <name>Caret Hint</name>
-  <description>Move the caret position by hint</description>
+  <description>Move caret position by hint</description>
   <description lang="ja">Hint を使ってキャレット位置を移動</description>
-  <version>1.1.0</version>
+  <version>1.2.0</version>
   <author mail="anekos@snca.net" homepage="http://d.hatena.ne.jp/nokturnalmortum/">anekos</author>
   <license>new BSD License (Please read the source code comments of this plugin)</license>
   <license lang="ja">修正BSDライセンス (ソースコードのコメントを参照してください)</license>
@@ -46,73 +46,145 @@ let PLUGIN_INFO =
   <minVersion>2.0pre</minVersion>
   <maxVersion>2.0pre</maxVersion>
   <detail><![CDATA[
+    Move caret position by hint.
     == Global Variables ==
-      let g:caret_hint_key:
+      let g:caret_hint_key = 'c':
         Hint mode key.
-        Move the caret position to the selected element.
-      let g:caret_hint_select_key:
+        Move caret position to the head of selected element.
+      let g:caret_hint_tail_key = 'C':
         Hint mode key.
-        Move the caret position to the selected element, and select.
+        Move caret position to the tail of selected element.
+      let g:caret_hint_select_key = 's':
+        Hint mode key.
+        Move caret position to the head of selected element, and select.
+      let g:caret_hint_select_tail_key = 'S':
+        Hint mode key.
+        Move caret position to the tail of selected element, and select.
+      let g:caret_hint_swap_key = 's':
+        The key mapping for Visual-mode.
+        Swap caret position head to tail.
+      If apply empty string ('') to these variables, these mapping or mode are not enabled.
+    == Global Variables 2 ==
+      let g:caret_hint_xpath = '//*':
+        The XPath for hint-mode selection.
   ]]></detail>
   <detail lang="ja"><![CDATA[
-    == Global Variables ==
-      let g:caret_hint_key:
-        Hint モードのキー。
-        選択した要素の位置にキャレットを移動する。
-      let g:caret_hint_select_key:
-        Hint モードのキー。
-        選択した要素の位置にキャレットを移動し、要素を選択する。
+    Hint を使ってキャレット位置を移動
+    == Global Variables 1 ==
+      let g:caret_hint_key = 'c':
+        Hint モードのキー
+        選択した要素の先頭にキャレットを移動する
+      let g:caret_hint_tail_key = 'C':
+        Hint モードのキー
+        選択した要素の後尾にキャレットを移動する
+      let g:caret_hint_select_key = 's':
+        Hint モードのキー
+        選択した要素の先頭にキャレットを移動し、要素を選択する
+      let g:caret_hint_select_tail_key = 'S':
+        Hint モードのキー
+        選択した要素の後尾にキャレットを移動し、要素を選択する
+      let g:caret_hint_swap_key = 's':
+        VISUAL モード用のキーマッピング
+        キャレットの位置を交換する(先頭 <=> 後尾)
+      これらの値に空文字列を与えれば、マッピングやモードは有効にされません。
+    == Global Variables 2 ==
+      let g:caret_hint_xpath = '//*':
+        ヒント対象要素を選択するための XPath
   ]]></detail>
 </VimperatorPlugin>;
 // }}}
 
+/*       _\|/_
+         (o o)
+ +----oOO-{_}-OOo------------+
+ |TODO count@action の使い道 |
+ |     要素 A-B 間を選択     |
+ +---------------------------*/
+
+
 (function () {
 
-  let headMode = liberator.globalVariables.caret_hint_key || 'c';
-  let selectMode = liberator.globalVariables.caret_hint_select_key || 'C';
+  // XXX 空白も有効
+  let headMode = gval('caret_hint_key', 'c');
+  let tailMode = gval('caret_hint_tail_key', 'C');
+  let selectHeadMode = gval('caret_hint_select_key', 's');
+  let selectTailMode = gval('caret_hint_select_tail_key', 'S');
+  let swapKey = gval('caret_hint_swap_key', 's');
+  let hintXPath = liberator.globalVariables.caret_hint_xpath || '//*';
+
+  [
+    [[true,  false], headMode],
+    [[false, false], tailMode],
+    [[true,  true ], selectHeadMode],
+    [[false, true ], selectTailMode],
+  ].forEach(function ([[h, s], m, d]) {
+    if (!m)
+      return;
+    hints.addMode(
+      m,
+      'Move caret position to ' + (h ? 'head' : 'tail') + (s ? ' and Select' : ''),
+      function (elem, loc, count) moveCaret(elem, h, s),
+      function () hintXPath
+    );
+  });
+
+  if (swapKey) {
+    mappings.addUserMap(
+      [modes.VISUAL],
+      [swapKey],
+      'Swap caret position head to tail',
+      swapCaret,
+      {}
+    );
+  }
 
-  function moveCaret (elem, type) {
-    let doc = elem.ownerDocument;
 
+  function gval (name, def) {
+    let v = liberator.globalVariables[name];
+    return (v === undefined) ? def : v;
+  }
+
+  function swapCaret () {
     let win = new XPCNativeWrapper(window.content.window);
-    let sel =  win.getSelection();
-    sel.removeAllRanges();
+    let s = win.getSelection();
 
+    if (s.rangeCount <= 0)
+      return false;
+
+    // 位置交換時に元の情報が失われるので保存しておく
+    let [a, f] = [[s.anchorNode, s.anchorOffset], [s.focusNode, s.focusOffset]];
+    s.collapse.apply(s, f);
+    s.extend.apply(s, a);
+  }
+
+  function moveCaret (elem, head, select) {
+    let doc = elem.ownerDocument;
+    let win = new XPCNativeWrapper(window.content.window);
+    let sel =  win.getSelection();
     let r = doc.createRange();
+
+    sel.removeAllRanges();
     r.selectNodeContents(elem);
 
-    switch (type) {
-      case 'select':
-        mappings.getDefault(modes.NORMAL, 'i').action();
-        mappings.getDefault(modes.CARET, 'v').action();
-        break;
-      case 'head':
+    if (select) {
+      liberator.log('select')
+      mappings.getDefault(modes.NORMAL, 'i').action();
+      mappings.getDefault(modes.CARET, 'v').action();
+    } else {
+      liberator.log('not select')
+      if (head) {
         r.setEnd(r.startContainer, r.startOffset);
-        mappings.getDefault(modes.NORMAL, 'i').action();
-        break;
+      } else {
+        r.setStart(r.endContainer, r.endOffset);
+      }
+      mappings.getDefault(modes.NORMAL, 'i').action();
     }
 
     sel.addRange(r);
-  }
-
-  hints.addMode(
-    headMode,
-    'Move the caret position',
-    function (elem, _, count) {
-      moveCaret(elem, 'head');
-    },
-    function () '//*'
-  );
-
-  hints.addMode(
-    selectMode,
-    'Move the caret position and select',
-    function (elem, _, count) {
-      moveCaret(elem, 'select');
-    },
-    function () '//*'
-  );
 
+    if (select && head)
+      swapCaret();
+  }
 })();
 
 // vim:sw=2 ts=2 et si fdm=marker:
-- 
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