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// ==VimperatorPlugin==
// @name Migemized Find
// @description-ja デフォルトのドキュメント内検索をミゲマイズする。
// @license Creative Commons 2.1 (Attribution + Share Alike)
// @version 1.0
// ==/VimperatorPlugin==
//
// Usage:
// 検索ワードの一文字目が
// '/' => 正規表現検索
// '?' => Migemo検索
// 以外 => Migemo検索
//
// Author:
// anekos
//
// Link:
// http://d.hatena.ne.jp/nokturnalmortum/20080805#1217941126
(function () { try {
let XMigemoCore = Components.classes['@piro.sakura.ne.jp/xmigemo/factory;1']
.getService(Components.interfaces.pIXMigemoFactory)
.getService('ja');
function getPosition (elem) {
if (!elem)
return {x: 0, y: 0};
let parent = getPosition(elem.offsetParent);
return { x: (elem.offsetLeft || 0) + parent.x,
y: (elem.offsetTop || 0) + parent.y }
}
let delayCallTimer = null;
let MF = {
lastSearchText: null,
previousSearchText: null,
lastDirection: null,
get buffer function () liberator.buffer,
get document function () content.document,
get storage function () (this.buffer.__migemized_find_storage || (this.buffer.__migemized_find_storage = {})),
get defaultRange function () {
let range = this.document.createRange();
range.selectNodeContents(this.document.body);
return range;
},
get highlightRemover function () (this.storage.highlightRemover || function () void(0)),
set highlightRemover function (fun) (this.storage.highlightRemover = fun),
MODE_NORMAL: 0,
MODE_REGEXP: 1,
MODE_MIGEMO: 2,
// 検索文字列から検索モードと検索文字列を得る。
searchTextToRegExpString: function (str) {
let [head, tail] = [str[0], str.slice(1)];
switch (head) {
case '/':
return tail;
case '?':
return XMigemoCore.getRegExp(tail);
}
return XMigemoCore.getRegExp(str);
},
removeHighlight: function () {
this.highlightRemover()
this.highlightRemover = null;
},
highlightRange: function (range, setRemover) {
let span = this.document.createElement('span');
let spanStyle = 'background-color: lightblue; color: black; border: dotted 3px blue;';
span.setAttribute('style', spanStyle);
range.surroundContents(span);
let scroll = function () {
let pos = getPosition(span);
content.scroll(pos.x - (content.innerWidth / 2),
pos.y - (content.innerHeight / 2));
};
setTimeout(scroll, 0);
let remover = function () {
let range = this.document.createRange();
range.selectNodeContents(span);
let content = range.extractContents();
range.setStartBefore(span);
range.insertNode(content);
range.selectNode(span);
range.deleteContents();
};
if (setRemover)
this.highlightRemover = remover;
return remover;
},
find: function (str, backwards, range, start, end) {
if (!range)
range = this.defaultRange;
if (!start) {
start = range.startContainer.ownerDocument.createRange();
start.setStartBefore(range.startContainer);
}
if (!end) {
end = range.endContainer.ownerDocument.createRange();
end.setEndAfter(range.endContainer);
}
if (backwards)
[start, end] = [end, start];
try {
return XMigemoCore.regExpFind(str, 'i', range, start, end, backwards);
} catch (e) {
return false;
}
},
findFirst: function (str, backwards) {
let f = function () {
this.lastDirection = backwards;
this.lastSearchText = str = this.searchTextToRegExpString(str);
let result = this.storage.lastResult = this.find(str, backwards);
this.removeHighlight();
if (result)
this.highlightRange(result, true);
return result;
};
if (delayCallTimer)
clearTimeout(delayCallTimer);
delayCallTimer = setTimeout(function () f.call(MF), 300);
},
findAgain: function (reverse) {
this.removeHighlight();
let str = this.lastSearchText;
let range = this.defaultRange;
let last = this.storage.lastResult;
let backwards = !!(!this.lastDirection ^ !reverse);
let start, end;
if (last) {
if (backwards) {
end = last.cloneRange();
end.setEnd(last.startContainer, last.startOffset);
} else {
start = last.cloneRange();
start.setStart(last.endContainer, last.endOffset);
}
}
let result = this.storage.lastResult = this.find(str, backwards, range, start, end);
if (!result)
result = this.storage.lastResult = this.find(str, backwards, range);
if (result)
this.highlightRange(result, true);
else
liberator.echoerr('not found: ' + str);
return result;
},
};
let original = {};
let migemized = {
find: function find (str, backwards) {
MF.findFirst(str, backwards);
},
findAgain: function findAgain (reverse) {
MF.findAgain(reverse);
},
searchSubmitted: function searchSubmitted (command, forcedBackward) {
if (!MF.storage.lastResult)
liberator.echoerr('not found: ' + MF.lastSearchText);
MF.previousSearchText = MF.lastSearchText;
},
searchCanceled: function searchCanceled () {
MF.lastSearchText = MF.previousSearchText;
},
};
for (let name in migemized)
original[name] = liberator.search[name];
function set (funcs) {
for (let name in funcs)
liberator.search[name] = funcs[name];
}
set(migemized);
liberator.plugins.migemizedFind = {
install: function () set(migemized),
uninstall: function () set(original),
};
}catch(e){liberator.log(e);}})();
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