Subversion-Projekte lars-tiefland.content-management

/** This file is derived from PopupDiv, developed by Mihai Bazon for
 * SamWare.net.  Modifications were needed to make it usable in HTMLArea.
 * HTMLArea is a free WYSIWYG online HTML editor from InteractiveTools.com.
 *
 * This file does not function standalone.  It is dependent of global functions
 * defined in HTMLArea-3.0 (htmlarea.js).
 *
 * Please see file htmlarea.js for further details.
 **/

var is_ie = ( (navigator.userAgent.toLowerCase().indexOf("msie") != -1) &&
              (navigator.userAgent.toLowerCase().indexOf("opera") == -1) );
var is_compat = (document.compatMode == "BackCompat");

function PopupDiv(editor, titleText, handler, initFunction) {
        var self = this;

        this.editor = editor;
        this.doc = editor._mdoc;
        this.handler = handler;

        var el = this.doc.createElement("div");
        el.className = "content";

        var popup = this.doc.createElement("div");
        popup.className = "dialog popupdiv";
        this.element = popup;
        var s = popup.style;
        s.position = "absolute";
        s.left = "0px";
        s.top = "0px";

        var title = this.doc.createElement("div");
        title.className = "title";
        this.title = title;
        popup.appendChild(title);

        HTMLArea._addEvent(title, "mousedown", function(ev) {
                self._dragStart(is_ie ? window.event : ev);
        });

        var button = this.doc.createElement("div");
        button.className = "button";
        title.appendChild(button);
        button.innerHTML = "×";
        title.appendChild(this.doc.createTextNode(titleText));
        this.titleText = titleText;

        button.onmouseover = function() {
                this.className += " button-hilite";
        };
        button.onmouseout = function() {
                this.className = this.className.replace(/\s*button-hilite\s*/g, " ");
        };
        button.onclick = function() {
                this.className = this.className.replace(/\s*button-hilite\s*/g, " ");
                self.close();
        };

        popup.appendChild(el);
        this.content = el;

        this.doc.body.appendChild(popup);

        this.dragging = false;
        this.onShow = null;
        this.onClose = null;
        this.modal = false;

        initFunction(this);
};

PopupDiv.currentPopup = null;

PopupDiv.prototype.showAtElement = function(el, mode) {
        this.defaultSize();
        var pos, ew, eh;
        var popup = this.element;
        popup.style.display = "block";
        var w = popup.offsetWidth;
        var h = popup.offsetHeight;
        popup.style.display = "none";
        if (el != window) {
                pos = PopupDiv.getAbsolutePos(el);
                ew = el.offsetWidth;
                eh = el.offsetHeight;
        } else {
                pos = {x:0, y:0};
                var size = PopupDiv.getWindowSize();
                ew = size.x;
                eh = size.y;
        }
        var FX = false, FY = false;
        if (mode.indexOf("l") != -1) {
                pos.x -= w;
                FX = true;
        }
        if (mode.indexOf("r") != -1) {
                pos.x += ew;
                FX = true;
        }
        if (mode.indexOf("t") != -1) {
                pos.y -= h;
                FY = true;
        }
        if (mode.indexOf("b") != -1) {
                pos.y += eh;
                FY = true;
        }
        if (mode.indexOf("c") != -1) {
                FX || (pos.x += Math.round((ew - w) / 2));
                FY || (pos.y += Math.round((eh - h) / 2));
        }
        this.showAt(pos.x, pos.y);
};

PopupDiv.prototype.defaultSize = function() {
        var s = this.element.style;
        var cs = this.element.currentStyle;
        var addX = (is_ie && is_compat) ? (parseInt(cs.borderLeftWidth) +
                                           parseInt(cs.borderRightWidth) +
                                           parseInt(cs.paddingLeft) +
                                           parseInt(cs.paddingRight)) : 0;
        var addY = (is_ie && is_compat) ? (parseInt(cs.borderTopWidth) +
                                           parseInt(cs.borderBottomWidth) +
                                           parseInt(cs.paddingTop) +
                                           parseInt(cs.paddingBottom)) : 0;
        s.display = "block";
        s.width = (this.content.offsetWidth + addX) + "px";
        s.height = (this.content.offsetHeight + this.title.offsetHeight) + "px";
        s.display = "none";
};

PopupDiv.prototype.showAt = function(x, y) {
        this.defaultSize();
        var s = this.element.style;
        s.display = "block";
        s.left = x + "px";
        s.top = y + "px";
        this.hideShowCovered();

        PopupDiv.currentPopup = this;
        HTMLArea._addEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
        HTMLArea._addEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
        if (is_ie && this.modal) {
                this.doc.body.setCapture(false);
                this.doc.body.onlosecapture = function() {
                        (PopupDiv.currentPopup) && (this.doc.body.setCapture(false));
                };
        }
        window.event && HTMLArea._stopEvent(window.event);

        if (typeof this.onShow == "function") {
                this.onShow();
        } else if (typeof this.onShow == "string") {
                eval(this.onShow);
        }

        var field = this.element.getElementsByTagName("input")[0];
        if (!field) {
                field = this.element.getElementsByTagName("select")[0];
        }
        if (!field) {
                field = this.element.getElementsByTagName("textarea")[0];
        }
        if (field) {
                field.focus();
        }
};

PopupDiv.prototype.close = function() {
        this.element.style.display = "none";
        PopupDiv.currentPopup = null;
        this.hideShowCovered();
        HTMLArea._removeEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
        HTMLArea._removeEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
        is_ie && this.modal && this.doc.body.releaseCapture();
        if (typeof this.onClose == "function") {
                this.onClose();
        } else if (typeof this.onClose == "string") {
                eval(this.onClose);
        }
        this.element.parentNode.removeChild(this.element);
};

PopupDiv.prototype.getForm = function() {
        var forms = this.content.getElementsByTagName("form");
        return (forms.length > 0) ? forms[0] : null;
};

PopupDiv.prototype.callHandler = function() {
        var tags = ["input", "textarea", "select"];
        var params = new Object();
        for (var ti in tags) {
                var tag = tags[ti];
                var els = this.content.getElementsByTagName(tag);
                for (var j = 0; j < els.length; ++j) {
                        var el = els[j];
                        params[el.name] = el.value;
                }
        }
        this.handler(this, params);
        return false;
};

PopupDiv.getAbsolutePos = function(el) {
        var r = { x: el.offsetLeft, y: el.offsetTop };
        if (el.offsetParent) {
                var tmp = PopupDiv.getAbsolutePos(el.offsetParent);
                r.x += tmp.x;
                r.y += tmp.y;
        }
        return r;
};

PopupDiv.getWindowSize = function() {
        if (window.innerHeight) {
                return { y: window.innerHeight, x: window.innerWidth };
        }
        if (this.doc.body.clientHeight) {
                return { y: this.doc.body.clientHeight, x: this.doc.body.clientWidth };
        }
        return { y: this.doc.documentElement.clientHeight, x: this.doc.documentElement.clientWidth };
};

PopupDiv.prototype.hideShowCovered = function () {
        var self = this;
        function isContained(el) {
                while (el) {
                        if (el == self.element) {
                                return true;
                        }
                        el = el.parentNode;
                }
                return false;
        };
        var tags = new Array("applet", "select");
        var el = this.element;

        var p = PopupDiv.getAbsolutePos(el);
        var EX1 = p.x;
        var EX2 = el.offsetWidth + EX1;
        var EY1 = p.y;
        var EY2 = el.offsetHeight + EY1;

        if (el.style.display == "none") {
                EX1 = EX2 = EY1 = EY2 = 0;
        }

        for (var k = tags.length; k > 0; ) {
                var ar = this.doc.getElementsByTagName(tags[--k]);
                var cc = null;

                for (var i = ar.length; i > 0;) {
                        cc = ar[--i];
                        if (isContained(cc)) {
                                cc.style.visibility = "visible";
                                continue;
                        }

                        p = PopupDiv.getAbsolutePos(cc);
                        var CX1 = p.x;
                        var CX2 = cc.offsetWidth + CX1;
                        var CY1 = p.y;
                        var CY2 = cc.offsetHeight + CY1;

                        if ((CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
                                cc.style.visibility = "visible";
                        } else {
                                cc.style.visibility = "hidden";
                        }
                }
        }
};

PopupDiv.prototype._dragStart = function (ev) {
        if (this.dragging) {
                return false;
        }
        this.dragging = true;
        PopupDiv.currentPopup = this;
        var posX = ev.clientX;
        var posY = ev.clientY;
        if (is_ie) {
                posY += this.doc.body.scrollTop;
                posX += this.doc.body.scrollLeft;
        } else {
                posY += window.scrollY;
                posX += window.scrollX;
        }
        var st = this.element.style;
        this.xOffs = posX - parseInt(st.left);
        this.yOffs = posY - parseInt(st.top);
        HTMLArea._addEvent(this.doc, "mousemove", PopupDiv.dragIt);
        HTMLArea._addEvent(this.doc, "mouseover", HTMLArea._stopEvent);
        HTMLArea._addEvent(this.doc, "mouseup", PopupDiv.dragEnd);
        HTMLArea._stopEvent(ev);
};

PopupDiv.dragIt = function (ev) {
        var popup = PopupDiv.currentPopup;
        if (!(popup && popup.dragging)) {
                return false;
        }
        is_ie && (ev = window.event);
        var posX = ev.clientX;
        var posY = ev.clientY;
        if (is_ie) {
                posY += this.doc.body.scrollTop;
                posX += this.doc.body.scrollLeft;
        } else {
                posY += window.scrollY;
                posX += window.scrollX;
        }
        popup.hideShowCovered();
        var st = popup.element.style;
        st.left = (posX - popup.xOffs) + "px";
        st.top = (posY - popup.yOffs) + "px";
        HTMLArea._stopEvent(ev);
};

PopupDiv.dragEnd = function () {
        var popup = PopupDiv.currentPopup;
        if (!popup) {
                return false;
        }
        popup.dragging = false;
        HTMLArea._removeEvent(popup.doc, "mouseup", PopupDiv.dragEnd);
        HTMLArea._removeEvent(popup.doc, "mouseover", HTMLArea._stopEvent);
        HTMLArea._removeEvent(popup.doc, "mousemove", PopupDiv.dragIt);
        popup.hideShowCovered();
};

PopupDiv.checkPopup = function (ev) {
        is_ie && (ev = window.event);
        var el = is_ie ? ev.srcElement : ev.target;
        var cp = PopupDiv.currentPopup;
        for (; (el != null) && (el != cp.element); el = el.parentNode);
        if (el == null) {
                cp.modal || ev.type == "mouseover" || cp.close();
                HTMLArea._stopEvent(ev);
        }
};

PopupDiv.prototype.addButtons = function() {
        var self = this;
        var div = this.doc.createElement("div");
        this.content.appendChild(div);
        div.className = "buttons";
        for (var i = 0; i < arguments.length; ++i) {
                var btn = arguments[i];
                var button = this.doc.createElement("button");
                div.appendChild(button);
                button.innerHTML = HTMLArea.I18N.buttons[btn];
                switch (btn) {
                    case "ok":
                        button.onclick = function() {
                                self.callHandler();
                                self.close();
                        };
                        break;
                    case "cancel":
                        button.onclick = function() {
                                self.close();
                        };
                        break;
                }
        }
};