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public/javascripts/ace/ext-language_tools.js  view on Meta::CPAN

        this.updateCompletions(false, options);
    };

    this.updateCompletions = function(keepPopupPosition, options) {
        if (keepPopupPosition && this.base && this.completions) {
            var pos = this.editor.getCursorPosition();
            var prefix = this.editor.session.getTextRange({start: this.base, end: pos});
            if (prefix == this.completions.filterText)
                return;
            this.completions.setFilter(prefix);
            if (!this.completions.filtered.length)
                return this.detach();
            if (this.completions.filtered.length == 1
            && this.completions.filtered[0].value == prefix
            && !this.completions.filtered[0].snippet)
                return this.detach();
            this.openPopup(this.editor, prefix, keepPopupPosition);
            return;
        }
        
        if (options && options.matches) {
            var pos = this.editor.getSelectionRange().start;
            this.base = this.editor.session.doc.createAnchor(pos.row, pos.column);
            this.base.$insertRight = true;
            this.completions = new FilteredList(options.matches);
            return this.openPopup(this.editor, "", keepPopupPosition);
        }
        var _id = this.gatherCompletionsId;
        this.gatherCompletions(this.editor, function(err, results) {
            var detachIfFinished = function() {
                if (!results.finished) return;
                return this.detach();
            }.bind(this);

            var prefix = results.prefix;
            var matches = results && results.matches;

            if (!matches || !matches.length)
                return detachIfFinished();
            if (prefix.indexOf(results.prefix) !== 0 || _id != this.gatherCompletionsId)
                return;

            this.completions = new FilteredList(matches);

            if (this.exactMatch)
                this.completions.exactMatch = true;

            this.completions.setFilter(prefix);
            var filtered = this.completions.filtered;
            if (!filtered.length)
                return detachIfFinished();
            if (filtered.length == 1 && filtered[0].value == prefix && !filtered[0].snippet)
                return detachIfFinished();
            if (this.autoInsert && filtered.length == 1 && results.finished)
                return this.insertMatch(filtered[0]);

            this.openPopup(this.editor, prefix, keepPopupPosition);
        }.bind(this));
    };

    this.cancelContextMenu = function() {
        this.editor.$mouseHandler.cancelContextMenu();
    };

    this.updateDocTooltip = function() {
        var popup = this.popup;
        var all = popup.data;
        var selected = all && (all[popup.getHoveredRow()] || all[popup.getRow()]);
        var doc = null;
        if (!selected || !this.editor || !this.popup.isOpen)
            return this.hideDocTooltip();
        this.editor.completers.some(function(completer) {
            if (completer.getDocTooltip)
                doc = completer.getDocTooltip(selected);
            return doc;
        });
        if (!doc && typeof selected != "string")
            doc = selected;

        if (typeof doc == "string")
            doc = {docText: doc};
        if (!doc || !(doc.docHTML || doc.docText))
            return this.hideDocTooltip();
        this.showDocTooltip(doc);
    };

    this.showDocTooltip = function(item) {
        if (!this.tooltipNode) {
            this.tooltipNode = dom.createElement("div");
            this.tooltipNode.className = "ace_tooltip ace_doc-tooltip";
            this.tooltipNode.style.margin = 0;
            this.tooltipNode.style.pointerEvents = "auto";
            this.tooltipNode.tabIndex = -1;
            this.tooltipNode.onblur = this.blurListener.bind(this);
            this.tooltipNode.onclick = this.onTooltipClick.bind(this);
        }

        var tooltipNode = this.tooltipNode;
        if (item.docHTML) {
            tooltipNode.innerHTML = item.docHTML;
        } else if (item.docText) {
            tooltipNode.textContent = item.docText;
        }

        if (!tooltipNode.parentNode)
            document.body.appendChild(tooltipNode);
        var popup = this.popup;
        var rect = popup.container.getBoundingClientRect();
        tooltipNode.style.top = popup.container.style.top;
        tooltipNode.style.bottom = popup.container.style.bottom;

        tooltipNode.style.display = "block";
        if (window.innerWidth - rect.right < 320) {
            if (rect.left < 320) {
                if(popup.isTopdown) {
                    tooltipNode.style.top = rect.bottom + "px";
                    tooltipNode.style.left = rect.left + "px";
                    tooltipNode.style.right = "";
                    tooltipNode.style.bottom = "";
                } else {
                    tooltipNode.style.top = popup.container.offsetTop - tooltipNode.offsetHeight + "px";
                    tooltipNode.style.left = rect.left + "px";

public/javascripts/ace/ext-language_tools.js  view on Meta::CPAN

        var el = this.tooltipNode;
        if (!this.editor.isFocused() && document.activeElement == el)
            this.editor.focus();
        this.tooltipNode = null;
        if (el.parentNode)
            el.parentNode.removeChild(el);
    };
    
    this.onTooltipClick = function(e) {
        var a = e.target;
        while (a && a != this.tooltipNode) {
            if (a.nodeName == "A" && a.href) {
                a.rel = "noreferrer";
                a.target = "_blank";
                break;
            }
            a = a.parentNode;
        }
    };

    this.destroy = function() {
        this.detach();
        if (this.popup) {
            this.popup.destroy();
            var el = this.popup.container;
            if (el && el.parentNode)
                el.parentNode.removeChild(el);
        }
        if (this.editor && this.editor.completer == this)
            this.editor.completer == null;
        this.popup = null;
    };

}).call(Autocomplete.prototype);


Autocomplete.for = function(editor) {
    if (editor.completer) {
        return editor.completer;
    }
    if (config.get("sharedPopups")) {
        if (!Autocomplete.$shared)
            Autocomplete.$sharedInstance = new Autocomplete();
        editor.completer = Autocomplete.$sharedInstance;
    } else {
        editor.completer = new Autocomplete();
        editor.once("destroy", function(e, editor) {
            editor.completer.destroy();
        });
    }
    return editor.completer;
};

Autocomplete.startCommand = {
    name: "startAutocomplete",
    exec: function(editor, options) {
        var completer = Autocomplete.for(editor);
        completer.autoInsert = false;
        completer.autoSelect = true;
        completer.showPopup(editor, options);
        completer.cancelContextMenu();
    },
    bindKey: "Ctrl-Space|Ctrl-Shift-Space|Alt-Space"
};

var FilteredList = function(array, filterText) {
    this.all = array;
    this.filtered = array;
    this.filterText = filterText || "";
    this.exactMatch = false;
};
(function(){
    this.setFilter = function(str) {
        if (str.length > this.filterText && str.lastIndexOf(this.filterText, 0) === 0)
            var matches = this.filtered;
        else
            var matches = this.all;

        this.filterText = str;
        matches = this.filterCompletions(matches, this.filterText);
        matches = matches.sort(function(a, b) {
            return b.exactMatch - a.exactMatch || b.$score - a.$score 
                || (a.caption || a.value).localeCompare(b.caption || b.value);
        });
        var prev = null;
        matches = matches.filter(function(item){
            var caption = item.snippet || item.caption || item.value;
            if (caption === prev) return false;
            prev = caption;
            return true;
        });

        this.filtered = matches;
    };
    this.filterCompletions = function(items, needle) {
        var results = [];
        var upper = needle.toUpperCase();
        var lower = needle.toLowerCase();
        loop: for (var i = 0, item; item = items[i]; i++) {
            var caption = item.caption || item.value || item.snippet;
            if (!caption) continue;
            var lastIndex = -1;
            var matchMask = 0;
            var penalty = 0;
            var index, distance;

            if (this.exactMatch) {
                if (needle !== caption.substr(0, needle.length))
                    continue loop;
            } else {
                var fullMatchIndex = caption.toLowerCase().indexOf(lower);
                if (fullMatchIndex > -1) {
                    penalty = fullMatchIndex;
                } else {
                    for (var j = 0; j < needle.length; j++) {
                        var i1 = caption.indexOf(lower[j], lastIndex + 1);
                        var i2 = caption.indexOf(upper[j], lastIndex + 1);
                        index = (i1 >= 0) ? ((i2 < 0 || i1 < i2) ? i1 : i2) : i2;
                        if (index < 0)
                            continue loop;
                        distance = index - lastIndex - 1;