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https://github.com/zen-browser/pdf.js.git
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JS -- Add support for buttons
* radio buttons * checkboxes
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9c99df7cac
commit
7c3facb174
10 changed files with 280 additions and 24 deletions
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@ -47,7 +47,7 @@ class Field extends PDFObject {
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this.highlight = data.highlight;
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this.lineWidth = data.lineWidth;
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this.multiline = data.multiline;
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this.multipleSelection = data.multipleSelection;
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this.multipleSelection = !!data.multipleSelection;
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this.name = data.name;
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this.numItems = data.numItems;
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this.page = data.page;
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@ -66,15 +66,12 @@ class Field extends PDFObject {
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this.textSize = data.textSize;
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this.type = data.type;
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this.userName = data.userName;
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this.value = data.value || "";
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// Need getter/setter
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this._valueAsString = data.valueAsString;
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// Private
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this._document = data.doc;
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this._value = data.value || "";
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this._valueAsString = data.valueAsString;
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this._actions = createActionsMap(data.actions);
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this._fillColor = data.fillColor || ["T"];
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this._strokeColor = data.strokeColor || ["G", 0];
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this._textColor = data.textColor || ["G", 0];
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@ -112,6 +109,16 @@ class Field extends PDFObject {
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}
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}
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get value() {
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return this._value;
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}
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set value(value) {
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if (!this.multipleSelection) {
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this._value = value;
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}
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}
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get valueAsString() {
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return this._valueAsString;
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}
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@ -120,6 +127,16 @@ class Field extends PDFObject {
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this._valueAsString = val ? val.toString() : "";
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}
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checkThisBox(nWidget, bCheckIt = true) {}
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isBoxChecked(nWidget) {
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return false;
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}
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isDefaultChecked(nWidget) {
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return false;
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}
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setAction(cTrigger, cScript) {
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if (typeof cTrigger !== "string" || typeof cScript !== "string") {
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return;
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@ -159,4 +176,121 @@ class Field extends PDFObject {
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}
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}
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export { Field };
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class RadioButtonField extends Field {
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constructor(otherButtons, data) {
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super(data);
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this.exportValues = [this.exportValues];
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this._radioIds = [this._id];
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this._radioActions = [this._actions];
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for (const radioData of otherButtons) {
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this.exportValues.push(radioData.exportValues);
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this._radioIds.push(radioData.id);
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this._radioActions.push(createActionsMap(radioData.actions));
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if (this._value === radioData.exportValues) {
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this._id = radioData.id;
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}
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}
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}
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get value() {
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return this._value;
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}
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set value(value) {
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const i = this.exportValues.indexOf(value);
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if (0 <= i && i < this._radioIds.length) {
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this._id = this._radioIds[i];
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this._value = value;
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} else if (value === "Off" && this._radioIds.length === 2) {
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const nextI = (1 + this._radioIds.indexOf(this._id)) % 2;
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this._id = this._radioIds[nextI];
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this._value = this.exportValues[nextI];
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}
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}
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checkThisBox(nWidget, bCheckIt = true) {
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if (nWidget < 0 || nWidget >= this._radioIds.length || !bCheckIt) {
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return;
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}
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this._id = this._radioIds[nWidget];
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this._value = this.exportValues[nWidget];
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this._send({ id: this._id, value: this._value });
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}
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isBoxChecked(nWidget) {
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return (
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nWidget >= 0 &&
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nWidget < this._radioIds.length &&
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this._id === this._radioIds[nWidget]
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);
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}
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isDefaultChecked(nWidget) {
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return (
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nWidget >= 0 &&
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nWidget < this.exportValues.length &&
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this.defaultValue === this.exportValues[nWidget]
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);
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}
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_getExportValue(state) {
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const i = this._radioIds.indexOf(this._id);
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return this.exportValues[i];
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}
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_runActions(event) {
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const i = this._radioIds.indexOf(this._id);
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this._actions = this._radioActions[i];
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return super._runActions(event);
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}
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_isButton() {
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return true;
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}
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}
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class CheckboxField extends RadioButtonField {
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get value() {
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return this._value;
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}
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set value(value) {
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if (value === "Off") {
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this._value = "Off";
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} else {
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super.value = value;
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}
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}
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_getExportValue(state) {
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return state ? super._getExportValue(state) : "Off";
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}
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isBoxChecked(nWidget) {
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if (this._value === "Off") {
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return false;
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}
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return super.isBoxChecked(nWidget);
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}
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isDefaultChecked(nWidget) {
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if (this.defaultValue === "Off") {
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return this._value === "Off";
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}
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return super.isDefaultChecked(nWidget);
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}
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checkThisBox(nWidget, bCheckIt = true) {
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if (nWidget < 0 || nWidget >= this._radioIds.length) {
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return;
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}
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this._id = this._radioIds[nWidget];
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this._value = bCheckIt ? this.exportValues[nWidget] : "Off";
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this._send({ id: this._id, value: this._value });
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}
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}
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export { CheckboxField, Field, RadioButtonField };
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