this.views = [];
this.option = $.extend({}, Completer._getDefaults(), option);
- if (!this.$el.is('input[type=text]') && !this.$el.is('textarea') && !element.isContentEditable && element.contentEditable != 'true') {
+ if (!this.$el.is('input[type=text]') && !this.$el.is('input[type=search]') && !this.$el.is('textarea') && !element.isContentEditable && element.contentEditable != 'true') {
throw new Error('textcomplete must be called on a Textarea or a ContentEditable.');
}
if (this.option.adapter) {
Adapter = this.option.adapter;
} else {
- if (this.$el.is('textarea') || this.$el.is('input[type=text]')) {
+ if (this.$el.is('textarea') || this.$el.is('input[type=text]') || this.$el.is('input[type=search]')) {
viewName = typeof element.selectionEnd === 'number' ? 'Textarea' : 'IETextarea';
} else {
viewName = 'ContentEditable';
this.$el = this.adapter = this.dropdown = null;
},
+ deactivate: function () {
+ if (this.dropdown) {
+ this.dropdown.deactivate();
+ }
+ },
+
// Invoke textcomplete.
trigger: function (text, skipUnchangedTerm) {
if (!this.dropdown) { this.initialize(); }
if (searchQuery.length) {
var term = searchQuery[1];
// Ignore shift-key, ctrl-key and so on.
- if (skipUnchangedTerm && this._term === term) { return; }
+ if (skipUnchangedTerm && this._term === term && term !== "") { return; }
this._term = term;
this._search.apply(this, searchQuery);
} else {
this.$el.off('.' + this.id);
this.$inputEl.off('.' + this.id);
this.clear();
+ this.$el.remove();
this.$el = this.$inputEl = this.completer = null;
delete dropdownViews[this.id]
},
var contentsHtml = this._buildContents(zippedData);
var unzippedData = $.map(this.data, function (d) { return d.value; });
if (this.data.length) {
+ var strategy = zippedData[0].strategy;
+ if (strategy.id) {
+ this.$el.attr('data-strategy', strategy.id);
+ } else {
+ this.$el.removeAttr('data-strategy');
+ }
this._renderHeader(unzippedData);
this._renderFooter(unzippedData);
if (contentsHtml) {
this._renderContents(contentsHtml);
this._fitToBottom();
+ this._fitToRight();
this._activateIndexedItem();
}
this._setScroll();
},
setPosition: function (pos) {
- this.$el.css(this._applyPlacement(pos));
-
// Make the dropdown fixed if the input is also fixed
// This can't be done during init, as textcomplete may be used on multiple elements on the same page
// Because the same dropdown is reused behind the scenes, we need to recheck every time the dropdown is showed
if($(this).css('position') === 'absolute') // The element has absolute positioning, so it's all OK
return false;
if($(this).css('position') === 'fixed') {
+ pos.top -= $window.scrollTop();
+ pos.left -= $window.scrollLeft();
position = 'fixed';
return false;
}
});
+ this.$el.css(this._applyPlacement(pos));
this.$el.css({ position: position }); // Update positioning
return this;
}
},
+ _fitToRight: function() {
+ // We don't know how wide our content is until the browser positions us, and at that point it clips us
+ // to the document width so we don't know if we would have overrun it. As a heuristic to avoid that clipping
+ // (which makes our elements wrap onto the next line and corrupt the next item), if we're close to the right
+ // edge, move left. We don't know how far to move left, so just keep nudging a bit.
+ var tolerance = 30; // pixels. Make wider than vertical scrollbar because we might not be able to use that space.
+ while (this.$el.offset().left + this.$el.width() > $window.width() - tolerance) {
+ this.$el.offset({left: this.$el.offset().left - tolerance});
+ }
+ },
+
_applyPlacement: function (position) {
// If the 'placement' option set to 'top', move the position above the element.
if (this.placement.indexOf('top') !== -1) {
search: null,
// Optional
+ id: null,
cache: false,
context: function () { return true; },
index: 2,
},
// Returns the caret's relative coordinates from body's left top corner.
- //
- // FIXME: Calculate the left top corner of `this.option.appendTo` element.
getCaretPosition: function () {
var position = this._getCaretRelativePosition();
var offset = this.$el.offset();
+
+ // Calculate the left top corner of `this.option.appendTo` element.
+ var $parent = this.option.appendTo;
+ if ($parent) {
+ if (!($parent instanceof $)) { $parent = $($parent); }
+ var parentOffset = $parent.offsetParent().offset();
+ offset.top -= parentOffset.top;
+ offset.left -= parentOffset.left;
+ }
+
position.top += offset.top;
position.left += offset.left;
return position;
// Suppress searching if it returns true.
_skipSearch: function (clickEvent) {
switch (clickEvent.keyCode) {
+ case 9: // TAB
case 13: // ENTER
case 40: // DOWN
case 38: // UP
this.initialize(element, completer, option);
}
- Textarea.DIV_PROPERTIES = {
- left: -9999,
- position: 'absolute',
- top: 0,
- whiteSpace: 'pre-wrap'
- }
-
- Textarea.COPY_PROPERTIES = [
- 'border-width', 'font-family', 'font-size', 'font-style', 'font-variant',
- 'font-weight', 'height', 'letter-spacing', 'word-spacing', 'line-height',
- 'text-decoration', 'text-align', 'width', 'padding-top', 'padding-right',
- 'padding-bottom', 'padding-left', 'margin-top', 'margin-right',
- 'margin-bottom', 'margin-left', 'border-style', 'box-sizing', 'tab-size'
- ];
-
$.extend(Textarea.prototype, $.fn.textcomplete.Adapter.prototype, {
// Public methods
// --------------
}
},
+ getTextFromHeadToCaret: function () {
+ return this.el.value.substring(0, this.el.selectionEnd);
+ },
+
// Private methods
// ---------------
- // Returns the caret's relative coordinates from textarea's left top corner.
- //
- // Browser native API does not provide the way to know the position of
- // caret in pixels, so that here we use a kind of hack to accomplish
- // the aim. First of all it puts a dummy div element and completely copies
- // the textarea's style to the element, then it inserts the text and a
- // span element into the textarea.
- // Consequently, the span element's position is the thing what we want.
_getCaretRelativePosition: function () {
- var dummyDiv = $('<div></div>').css(this._copyCss())
- .text(this.getTextFromHeadToCaret());
- var span = $('<span></span>').text('.').appendTo(dummyDiv);
- this.$el.before(dummyDiv);
- var position = span.position();
- position.top += span.height() - this.$el.scrollTop();
- position.lineHeight = span.height();
- dummyDiv.remove();
- return position;
- },
-
- _copyCss: function () {
- return $.extend({
- // Set 'scroll' if a scrollbar is being shown; otherwise 'auto'.
- overflow: this.el.scrollHeight > this.el.offsetHeight ? 'scroll' : 'auto'
- }, Textarea.DIV_PROPERTIES, this._getStyles());
+ var p = $.fn.textcomplete.getCaretCoordinates(this.el, this.el.selectionStart);
+ return {
+ top: p.top + this._calculateLineHeight() - this.$el.scrollTop(),
+ left: p.left - this.$el.scrollLeft()
+ };
},
- _getStyles: (function ($) {
- var color = $('<div></div>').css(['color']).color;
- if (typeof color !== 'undefined') {
- return function () {
- return this.$el.css(Textarea.COPY_PROPERTIES);
- };
- } else { // jQuery < 1.8
- return function () {
- var $el = this.$el;
- var styles = {};
- $.each(Textarea.COPY_PROPERTIES, function (i, property) {
- styles[property] = $el.css(property);
- });
- return styles;
- };
+ _calculateLineHeight: function () {
+ var lineHeight = parseInt(this.$el.css('line-height'), 10);
+ if (isNaN(lineHeight)) {
+ // http://stackoverflow.com/a/4515470/1297336
+ var parentNode = this.el.parentNode;
+ var temp = document.createElement(this.el.nodeName);
+ var style = this.el.style;
+ temp.setAttribute(
+ 'style',
+ 'margin:0px;padding:0px;font-family:' + style.fontFamily + ';font-size:' + style.fontSize
+ );
+ temp.innerHTML = 'test';
+ parentNode.appendChild(temp);
+ lineHeight = temp.clientHeight;
+ parentNode.removeChild(temp);
}
- })($),
-
- getTextFromHeadToCaret: function () {
- return this.el.value.substring(0, this.el.selectionEnd);
+ return lineHeight;
}
});
pre = pre.replace(strategy.match, newSubstr);
range.selectNodeContents(range.startContainer);
range.deleteContents();
- var node = document.createTextNode(pre + post);
- range.insertNode(node);
- range.setStart(node, pre.length);
+
+ // create temporary elements
+ var preWrapper = document.createElement("div");
+ preWrapper.innerHTML = pre;
+ var postWrapper = document.createElement("div");
+ postWrapper.innerHTML = post;
+
+ // create the fragment thats inserted
+ var fragment = document.createDocumentFragment();
+ var childNode;
+ var lastOfPre;
+ while (childNode = preWrapper.firstChild) {
+ lastOfPre = fragment.appendChild(childNode);
+ }
+ while (childNode = postWrapper.firstChild) {
+ fragment.appendChild(childNode);
+ }
+
+ // insert the fragment & jump behind the last node in "pre"
+ range.insertNode(fragment);
+ range.setStartAfter(lastOfPre);
+
range.collapse(true);
sel.removeAllRanges();
sel.addRange(range);
$.fn.textcomplete.ContentEditable = ContentEditable;
}(jQuery);
+// The MIT License (MIT)
+//
+// Copyright (c) 2015 Jonathan Ong me@jongleberry.com
+//
+// 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.
+//
+// https://github.com/component/textarea-caret-position
+
+(function () {
+
+// The properties that we copy into a mirrored div.
+// Note that some browsers, such as Firefox,
+// do not concatenate properties, i.e. padding-top, bottom etc. -> padding,
+// so we have to do every single property specifically.
+var properties = [
+ 'direction', // RTL support
+ 'boxSizing',
+ 'width', // on Chrome and IE, exclude the scrollbar, so the mirror div wraps exactly as the textarea does
+ 'height',
+ 'overflowX',
+ 'overflowY', // copy the scrollbar for IE
+
+ 'borderTopWidth',
+ 'borderRightWidth',
+ 'borderBottomWidth',
+ 'borderLeftWidth',
+ 'borderStyle',
+
+ 'paddingTop',
+ 'paddingRight',
+ 'paddingBottom',
+ 'paddingLeft',
+
+ // https://developer.mozilla.org/en-US/docs/Web/CSS/font
+ 'fontStyle',
+ 'fontVariant',
+ 'fontWeight',
+ 'fontStretch',
+ 'fontSize',
+ 'fontSizeAdjust',
+ 'lineHeight',
+ 'fontFamily',
+
+ 'textAlign',
+ 'textTransform',
+ 'textIndent',
+ 'textDecoration', // might not make a difference, but better be safe
+
+ 'letterSpacing',
+ 'wordSpacing',
+
+ 'tabSize',
+ 'MozTabSize'
+
+];
+
+var isBrowser = (typeof window !== 'undefined');
+var isFirefox = (isBrowser && window.mozInnerScreenX != null);
+
+function getCaretCoordinates(element, position, options) {
+ if(!isBrowser) {
+ throw new Error('textarea-caret-position#getCaretCoordinates should only be called in a browser');
+ }
+
+ var debug = options && options.debug || false;
+ if (debug) {
+ var el = document.querySelector('#input-textarea-caret-position-mirror-div');
+ if ( el ) { el.parentNode.removeChild(el); }
+ }
+
+ // mirrored div
+ var div = document.createElement('div');
+ div.id = 'input-textarea-caret-position-mirror-div';
+ document.body.appendChild(div);
+
+ var style = div.style;
+ var computed = window.getComputedStyle? getComputedStyle(element) : element.currentStyle; // currentStyle for IE < 9
+
+ // default textarea styles
+ style.whiteSpace = 'pre-wrap';
+ if (element.nodeName !== 'INPUT')
+ style.wordWrap = 'break-word'; // only for textarea-s
+
+ // position off-screen
+ style.position = 'absolute'; // required to return coordinates properly
+ if (!debug)
+ style.visibility = 'hidden'; // not 'display: none' because we want rendering
+
+ // transfer the element's properties to the div
+ properties.forEach(function (prop) {
+ style[prop] = computed[prop];
+ });
+
+ if (isFirefox) {
+ // Firefox lies about the overflow property for textareas: https://bugzilla.mozilla.org/show_bug.cgi?id=984275
+ if (element.scrollHeight > parseInt(computed.height))
+ style.overflowY = 'scroll';
+ } else {
+ style.overflow = 'hidden'; // for Chrome to not render a scrollbar; IE keeps overflowY = 'scroll'
+ }
+
+ div.textContent = element.value.substring(0, position);
+ // the second special handling for input type="text" vs textarea: spaces need to be replaced with non-breaking spaces - http://stackoverflow.com/a/13402035/1269037
+ if (element.nodeName === 'INPUT')
+ div.textContent = div.textContent.replace(/\s/g, '\u00a0');
+
+ var span = document.createElement('span');
+ // Wrapping must be replicated *exactly*, including when a long word gets
+ // onto the next line, with whitespace at the end of the line before (#7).
+ // The *only* reliable way to do that is to copy the *entire* rest of the
+ // textarea's content into the <span> created at the caret position.
+ // for inputs, just '.' would be enough, but why bother?
+ span.textContent = element.value.substring(position) || '.'; // || because a completely empty faux span doesn't render at all
+ div.appendChild(span);
+
+ var coordinates = {
+ top: span.offsetTop + parseInt(computed['borderTopWidth']),
+ left: span.offsetLeft + parseInt(computed['borderLeftWidth'])
+ };
+
+ if (debug) {
+ span.style.backgroundColor = '#aaa';
+ } else {
+ document.body.removeChild(div);
+ }
+
+ return coordinates;
+}
+
+if (typeof module != 'undefined' && typeof module.exports != 'undefined') {
+ module.exports = getCaretCoordinates;
+} else if(isBrowser){
+ window.$.fn.textcomplete.getCaretCoordinates = getCaretCoordinates;
+}
+
+}());
+
return jQuery;
}));