'use strict';
-// DocumentElement represents a node from WLXML document rendered inside Canvas
+// DocumentElement represents a text or an element node from WLXML document rendered inside Canvas
var DocumentElement = function(htmlElement, canvas) {
if(arguments.length === 0)
return;
this.canvas = canvas;
- this.$element = $(htmlElement);
+ this._setupDOMHandler(htmlElement);
}
+var elementTypeFromParams = function(params) {
+ return params.text !== undefined ? DocumentTextElement : DocumentNodeElement;
+
+};
+
+$.extend(DocumentElement, {
+ create: function(params, canvas) {
+ return elementTypeFromParams(params).create(params);
+ },
+
+ createDOM: function(params) {
+ return elementTypeFromParams(params).createDOM(params);
+ },
+
+ fromHTMLElement: function(htmlElement, canvas) {
+ var $element = $(htmlElement);
+ if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('wlxml-tag'))
+ return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
+ if($element.attr('wlxml-text') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('wlxml-text') !== undefined))
+ return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+ return undefined;
+ }
+});
+
$.extend(DocumentElement.prototype, {
+ _setupDOMHandler: function(htmlElement) {
+ this.$element = $(htmlElement);
+ },
dom: function() {
return this.$element;
},
parent: function() {
- return documentElementFromHTMLElement(this.$element.parent()[0], this.canvas);
+ var parents = this.$element.parents('[wlxml-tag]');
+ if(parents.length)
+ return DocumentElement.fromHTMLElement(parents[0], this.canvas);
+ return null;
+ },
+
+ parents: function() {
+ var parents = [],
+ parent = this.parent();
+ while(parent) {
+ parents.push(parent);
+ parent = parent.parent();
+ }
+ return parents;
},
sameNode: function(other) {
detach: function() {
this.dom().detach();
this.canvas = null;
+ },
+
+ markAsCurrent: function() {
+ this.canvas.markAsCurrent(this);
+ },
+
+ getVerticallyFirstTextElement: function() {
+ var toret;
+ this.children().some(function(child) {
+ if(!child.isVisible())
+ return false; // continue
+ if(child instanceof DocumentTextElement) {
+ toret = child;
+ return true; // break
+ } else {
+ toret = child.getVerticallyFirstTextElement();
+ if(toret)
+ return true; // break
+ }
+ });
+ return toret;
+ },
+
+ isVisible: function() {
+ return this instanceof DocumentTextElement || this.getWlxmlTag() !== 'metadata';
}
});
+// DocumentNodeElement represents an element node from WLXML document rendered inside Canvas
var DocumentNodeElement = function(htmlElement, canvas) {
DocumentElement.call(this, htmlElement, canvas);
};
-var DocumentTextElement = function(htmlElement, canvas) {
- DocumentElement.call(this, htmlElement, canvas);
-};
+$.extend(DocumentNodeElement, {
+ createDOM: function(params) {
+ var dom = $('<div>')
+ .attr('wlxml-tag', params.tag);
+ if(params.klass)
+ dom.attr('wlxml-class', params.klass.replace(/\./g, '-'));
+ return dom;
+ },
-DocumentNodeElement.prototype = new DocumentElement();
-DocumentTextElement.prototype = new DocumentElement();
+ create: function(params, canvas) {
+ return this.fromHTMLElement(this.createDOM(params)[0]);
+ },
+
+ fromHTMLElement: function(htmlElement, canvas) {
+ return new this(htmlElement, canvas);
+ }
+});
var manipulate = function(e, params, action) {
- var dom;
+ var element;
if(params instanceof DocumentElement) {
- dom = params.dom()
+ element = params;
} else {
- dom = DocumentNodeElement.createDOM(params);
+ element = DocumentElement.create(params);
}
- e.dom()[action](dom);
- return documentElementFromHTMLElement(dom);
+ e.dom()[action](element.dom());
+ return element;
};
+DocumentNodeElement.prototype = new DocumentElement();
+
$.extend(DocumentNodeElement.prototype, {
append: function(params) {
manipulate(this, params, 'append');
var elementContent = this.dom().contents();
var element = this;
elementContent.each(function(idx) {
- var childElement = documentElementFromHTMLElement(this, element.canvas);
+ var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
return true;
if(idx > 0 && childElement instanceof DocumentTextElement) {
}
});
-DocumentNodeElement.createDOM = function(params) {
- var dom;
- if(params.text) {
- dom = $(document.createTextNode(params.text));
- } else {
- dom = $('<div>').attr('wlxml-tag', params.tag);
- if(params.klass)
- dom.attr('wlxml-class', params.klass);
- }
- return dom;
+
+// DocumentNodeElement represents a text node from WLXML document rendered inside Canvas
+var DocumentTextElement = function(htmlElement, canvas) {
+ DocumentElement.call(this, htmlElement, canvas);
};
+$.extend(DocumentTextElement, {
+ createDOM: function(params) {
+ return $('<div>')
+ .attr('wlxml-text', '')
+ .text(params.text);
+ },
-DocumentNodeElement.create = function(params, canvas) {
- return documentElementFromHTMLElement(DocumentNodeElement.createDOM(params)[0]);
-};
+ create: function(params, canvas) {
+ return this.fromHTMLElement(this.createDOM(params)[0]);
+ },
+ fromHTMLElement: function(htmlElement, canvas) {
+ return new this(htmlElement, canvas);
+ }
+});
+
+DocumentTextElement.prototype = new DocumentElement();
$.extend(DocumentTextElement.prototype, {
+ _setupDOMHandler: function(htmlElement) {
+ var $element = $(htmlElement);
+ if(htmlElement.nodeType === Node.TEXT_NODE)
+ this.$element = $element.parent();
+ else
+ this.$element = $element;
+ },
setText: function(text) {
- this.dom()[0].data = text;
+ this.dom().contents()[0].data = text;
},
getText: function() {
return this.dom().text();
after: function(params) {
if(params instanceof DocumentTextElement || params.text)
return false;
- var dom;
+ var element;
if(params instanceof DocumentNodeElement) {
- dom = params.dom();
+ element = params;
} else {
- dom = DocumentNodeElement.createDOM(params);
+ element = DocumentNodeElement.create(params);
}
this.dom().wrap('<div>');
- this.dom().parent().after(dom[0]);
+ this.dom().parent().after(element.dom());
this.dom().unwrap();
- return documentElementFromHTMLElement(dom[0]);
+ return element;
},
before: function(params) {
if(params instanceof DocumentTextElement || params.text)
return false;
- var dom;
+ var element;
if(params instanceof DocumentNodeElement) {
- dom = params.dom();
+ element = params;
} else {
- dom = DocumentNodeElement.createDOM(params);
+ element = DocumentNodeElement.create(params);
}
this.dom().wrap('<div>');
- this.dom().parent().before(dom[0]);
+ this.dom().parent().before(element.dom());
this.dom().unwrap();
- return documentElementFromHTMLElement(dom[0]);
+ return element;
},
wrapWithNodeElement: function(wlxmlNode) {
if(typeof wlxmlNode.start === 'number' && typeof wlxmlNode.end === 'number') {
}
},
unwrap: function() {
- if(this.parent().children().length === 1) {
- var parent = this.parent();
- parent.after(this);
+ var parent = this.parent();
+ if(parent.children().length === 1) {
+ var grandParent = parent.parent();
+ if(grandParent) {
+ var grandParentChildren = grandParent.children(),
+ idx = grandParent.childIndex(parent),
+ prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null,
+ next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null;
+ if(prev && next) {
+ prev.setText(prev.getText() + this.getText() + next.getText());
+ next.detach();
+ } else if (prev || next) {
+ var target = prev ? prev : next;
+ target.setText(target.getText() + this.getText());
+ } else {
+ parent.after(this);
+ }
+ } else {
+ parent.after(this);
+ }
parent.detach();
}
},
succeedingChildren.forEach(function(child) {
newElement.append(child);
});
- }
-});
-var documentElementFromHTMLElement = function(htmlElement, canvas) {
- // if(!canvas)
- // throw 'no canvas specified';
- if(htmlElement.nodeType === Node.ELEMENT_NODE)
- return new DocumentNodeElement(htmlElement, canvas);
- if(htmlElement.nodeType === Node.TEXT_NODE)
- return new DocumentTextElement(htmlElement, canvas);
-};
+ return {first: parentElement, second: newElement};
+ },
+});
return {
- wrap: function(htmlElement, canvas) {
- return documentElementFromHTMLElement(htmlElement, canvas);
- },
DocumentElement: DocumentElement,
DocumentNodeElement: DocumentNodeElement,
DocumentTextElement: DocumentTextElement
fnp / fnpeditor.git / blobdiff