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Improve inserting of metrics in graph UI.

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- Metric will inserted at cursor position.
- Selected text will get replaced.
- Press <tab> to jump to metrics and <return> to jump back.
This commit is contained in:
Johannes 'fish' Ziemke 2013-03-25 16:01:52 +01:00
parent 3626b71c22
commit 24b3a6d2cc
3 changed files with 472 additions and 1 deletions
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13
web/static/js/graph.js
View file

@ -71,6 +71,14 @@ Prometheus.Graph.prototype.initialize = function() {
self.stacked = self.queryForm.find("input[name=stacked]");
self.insertMetric = self.queryForm.find("select[name=insert_metric]");
// Return moves focus back to expr instead of submitting.
self.insertMetric.bind('keydown', 'return', function(e) {
self.expr.focus();
self.expr.val(self.expr.val());
return e.preventDefault();
})
self.graph = graphWrapper.find(".graph");
self.legend = graphWrapper.find(".legend");
self.spinner = graphWrapper.find(".spinner");
@ -96,8 +104,11 @@ Prometheus.Graph.prototype.initialize = function() {
self.queryForm.find("input[name=dec_end]").click(function() { self.decreaseEnd(); });
self.insertMetric.change(function() {
self.expr.val(self.expr.val() + self.insertMetric.val());
self.expr.selection('replace', {text: self.insertMetric.val(), mode: 'before'})
self.insertMetric.focus(); // refocusing
});
self.insertMetric.click(function() { self.expr.focus() })
self.expr.focus(); // TODO: move to external Graph method.
self.populateInsertableMetrics();

100
web/static/vendor/js/jquery.hotkeys.js vendored Normal file
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@ -0,0 +1,100 @@
/*
* jQuery Hotkeys Plugin
* Copyright 2010, John Resig
* Dual licensed under the MIT or GPL Version 2 licenses.
*
* Based upon the plugin by Tzury Bar Yochay:
* http://github.com/tzuryby/hotkeys
*
* Original idea by:
* Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
*/
(function(jQuery){
jQuery.hotkeys = {
version: "0.8",
specialKeys: {
8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
},
shiftNums: {
"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
".": ">", "/": "?", "\\": "|"
}
};
function keyHandler( handleObj ) {
// Only care when a possible input has been specified
if ( typeof handleObj.data !== "string" ) {
return;
}
var origHandler = handleObj.handler,
keys = handleObj.data.toLowerCase().split(" "),
textAcceptingInputTypes = ["text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", "datetime-local", "search", "color"];
handleObj.handler = function( event ) {
// Don't fire in text-accepting inputs that we didn't directly bind to
if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
jQuery.inArray(event.target.type, textAcceptingInputTypes) > -1 ) ) {
return;
}
// Keypress represents characters, not special keys
var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
character = String.fromCharCode( event.which ).toLowerCase(),
key, modif = "", possible = {};
// check combinations (alt|ctrl|shift+anything)
if ( event.altKey && special !== "alt" ) {
modif += "alt+";
}
if ( event.ctrlKey && special !== "ctrl" ) {
modif += "ctrl+";
}
// TODO: Need to make sure this works consistently across platforms
if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
modif += "meta+";
}
if ( event.shiftKey && special !== "shift" ) {
modif += "shift+";
}
if ( special ) {
possible[ modif + special ] = true;
} else {
possible[ modif + character ] = true;
possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
if ( modif === "shift+" ) {
possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
}
}
for ( var i = 0, l = keys.length; i < l; i++ ) {
if ( possible[ keys[i] ] ) {
return origHandler.apply( this, arguments );
}
}
};
}
jQuery.each([ "keydown", "keyup", "keypress" ], function() {
jQuery.event.special[ this ] = { add: keyHandler };
});
})( jQuery );

360
web/static/vendor/js/jquery.selection.js vendored Normal file
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@ -0,0 +1,360 @@
/*!
* jQuery.selection - jQuery Plugin
*
* Copyright (c) 2010-2012 IWASAKI Koji (@madapaja).
* http://blog.madapaja.net/
* Under The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function($, win, doc) {
/**
* 要素の文字列選択状態を取得します
*
* @param {Element} element 対象要素
* @return {Object} return
* @return {String} return.text 選択されている文字列
* @return {Integer} return.start 選択開始位置
* @return {Integer} return.end 選択終了位置
*/
var _getCaretInfo = function(element){
var res = {
text: '',
start: 0,
end: 0
};
if (!element.value) {
/* 値がない、もしくは空文字列 */
return res;
}
try {
if (win.getSelection) {
/* IE 以外 */
res.start = element.selectionStart;
res.end = element.selectionEnd;
res.text = element.value.slice(res.start, res.end);
} else if (doc.selection) {
/* for IE */
element.focus();
var range = doc.selection.createRange(),
range2 = doc.body.createTextRange(),
tmpLength;
res.text = range.text;
try {
range2.moveToElementText(element);
range2.setEndPoint('StartToStart', range);
} catch (e) {
range2 = element.createTextRange();
range2.setEndPoint('StartToStart', range);
}
res.start = element.value.length - range2.text.length;
res.end = res.start + range.text.length;
}
} catch (e) {
/* あきらめる */
}
return res;
};
/**
* 要素に対するキャレット操作
* @type {Object}
*/
var _CaretOperation = {
/**
* 要素のキャレット位置を取得します
*
* @param {Element} element 対象要素
* @return {Object} return
* @return {Integer} return.start 選択開始位置
* @return {Integer} return.end 選択終了位置
*/
getPos: function(element) {
var tmp = _getCaretInfo(element);
return {start: tmp.start, end: tmp.end};
},
/**
* 要素のキャレット位置を設定します
*
* @param {Element} element 対象要素
* @param {Object} toRange 設定するキャレット位置
* @param {Integer} toRange.start 選択開始位置
* @param {Integer} toRange.end 選択終了位置
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
*/
setPos: function(element, toRange, caret) {
caret = this._caretMode(caret);
if (caret == 'start') {
toRange.end = toRange.start;
} else if (caret == 'end') {
toRange.start = toRange.end;
}
element.focus();
try {
if (element.createTextRange) {
var range = element.createTextRange();
if (win.navigator.userAgent.toLowerCase().indexOf("msie") >= 0) {
toRange.start = element.value.substr(0, toRange.start).replace(/\r/g, '').length;
toRange.end = element.value.substr(0, toRange.end).replace(/\r/g, '').length;
}
range.collapse(true);
range.moveStart('character', toRange.start);
range.moveEnd('character', toRange.end - toRange.start);
range.select();
} else if (element.setSelectionRange) {
element.setSelectionRange(toRange.start, toRange.end);
}
} catch (e) {
/* あきらめる */
}
},
/**
* 要素内の選択文字列を取得します
*
* @param {Element} element 対象要素
* @return {String} return 選択文字列
*/
getText: function(element) {
return _getCaretInfo(element).text;
},
/**
* キャレットモードを選択します
*
* @param {String} caret キャレットモード
* @return {String} return "keep" | "start" | "end" のいずれか
*/
_caretMode: function(caret) {
caret = caret || "keep";
if (caret == false) {
caret = 'end';
}
switch (caret) {
case 'keep':
case 'start':
case 'end':
break;
default:
caret = 'keep';
}
return caret;
},
/**
* 選択文字列を置き換えます
*
* @param {Element} element 対象要素
* @param {String} text 置き換える文字列
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
*/
replace: function(element, text, caret) {
var tmp = _getCaretInfo(element),
orig = element.value,
pos = $(element).scrollTop(),
range = {start: tmp.start, end: tmp.start + text.length};
element.value = orig.substr(0, tmp.start) + text + orig.substr(tmp.end);
$(element).scrollTop(pos);
this.setPos(element, range, caret);
},
/**
* 文字列を選択文字列の前に挿入します
*
* @param {Element} element 対象要素
* @param {String} text 挿入文字列
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
*/
insertBefore: function(element, text, caret) {
var tmp = _getCaretInfo(element),
orig = element.value,
pos = $(element).scrollTop(),
range = {start: tmp.start + text.length, end: tmp.end + text.length};
element.value = orig.substr(0, tmp.start) + text + orig.substr(tmp.start);
$(element).scrollTop(pos);
this.setPos(element, range, caret);
},
/**
* 文字列を選択文字列の後に挿入します
*
* @param {Element} element 対象要素
* @param {String} text 挿入文字列
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
*/
insertAfter: function(element, text, caret) {
var tmp = _getCaretInfo(element),
orig = element.value,
pos = $(element).scrollTop(),
range = {start: tmp.start, end: tmp.end};
element.value = orig.substr(0, tmp.end) + text + orig.substr(tmp.end);
$(element).scrollTop(pos);
this.setPos(element, range, caret);
}
};
/* jQuery.selection を追加 */
$.extend({
/**
* ウィンドウの選択されている文字列を取得
*
* @param {String} mode 選択モード "text" | "html" のいずれか
* @return {String} return
*/
selection: function(mode) {
var getText = ((mode || 'text').toLowerCase() == 'text');
try {
if (win.getSelection) {
if (getText) {
// get text
return win.getSelection().toString();
} else {
// get html
var sel = win.getSelection(), range;
if (sel.getRangeAt) {
range = sel.getRangeAt(0);
} else {
range = doc.createRange();
range.setStart(sel.anchorNode, sel.anchorOffset);
range.setEnd(sel.focusNode, sel.focusOffset);
}
return $('<div></div>').append(range.cloneContents()).html();
}
} else if (doc.selection) {
if (getText) {
// get text
return doc.selection.createRange().text;
} else {
// get html
return doc.selection.createRange().htmlText;
}
}
} catch (e) {
/* あきらめる */
}
return '';
}
});
/* selection を追加 */
$.fn.extend({
selection: function(mode, opts) {
opts = opts || {};
switch (mode) {
/**
* selection('getPos')
* キャレット位置を取得します
*
* @return {Object} return
* @return {Integer} return.start 選択開始位置
* @return {Integer} return.end 選択終了位置
*/
case 'getPos':
return _CaretOperation.getPos(this[0]);
break;
/**
* selection('setPos', opts)
* キャレット位置を設定します
*
* @param {Integer} opts.start 選択開始位置
* @param {Integer} opts.end 選択終了位置
*/
case 'setPos':
return this.each(function() {
_CaretOperation.setPos(this, opts);
});
break;
/**
* selection('replace', opts)
* 選択文字列を置き換えます
*
* @param {String} opts.text 置き換える文字列
* @param {String} opts.caret キャレットモード "keep" | "start" | "end" のいずれか
*/
case 'replace':
return this.each(function() {
_CaretOperation.replace(this, opts.text, opts.caret);
});
break;
/**
* selection('insert', opts)
* 選択文字列の前、もしくは後に文字列を挿入えます
*
* @param {String} opts.text 挿入文字列
* @param {String} opts.caret キャレットモード "keep" | "start" | "end" のいずれか
* @param {String} opts.mode 挿入モード "before" | "after" のいずれか
*/
case 'insert':
return this.each(function() {
if (opts.mode == 'before') {
_CaretOperation.insertBefore(this, opts.text, opts.caret);
} else {
_CaretOperation.insertAfter(this, opts.text, opts.caret);
}
});
break;
/**
* selection('get')
* 選択されている文字列を取得
*
* @return {String} return
*/
case 'get':
default:
return _CaretOperation.getText(this[0]);
break;
}
return this;
}
});
})(jQuery, window, window.document);